url stringlengths 38 133 | thread_title stringlengths 8 109 | posts listlengths 1 495 | scraped_at stringdate 2025-10-17 16:13:05 2025-10-19 01:29:01 | post_count int64 1 495 | domain stringclasses 1 value | subdomain stringclasses 6 values | has_op_post bool 2 classes |
|---|---|---|---|---|---|---|---|
https://www.eevblog.com/forum/beginners/!help!-altuim-designer-pcb-layout/ | !HELP! Altuim Designer PCB Layout - Page 1 | [
{
"post_id": "",
"author": "YaSaRa_N",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "July 17, 2019, 04:12:23 am",
"content": "Hi!I am designing a Micro-mouse robot as a hobby project. I did the schematic using the EasyEDA online editor. that is because i can directly chose parts... | 2025-10-17T18:06:44.387219 | 4 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/!updated!-beginners-shopping-list!/ | !UPDATED! Beginners Shopping list! - Page 1 | [
{
"post_id": "",
"author": "Lisbeth",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "May 11, 2015, 01:45:04 am",
"content": "Hey everyone!Bout a couple weeks ago, I made a post here about my shopping list. I realized I wasn't getting as much bang for my buckby a nice friend of mi... | 2025-10-17T19:40:54.611368 | 13 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/$120-$150-budget-build-to-learn-soldering-need-opinions-on-my-selected-parts/ | $120-$150 Budget build to learn Soldering. Need opinions on my selected parts - Page 1 | [
{
"post_id": "",
"author": "OntoTheWoods",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "September 28, 2024, 05:57:49 pm",
"content": "I would first like to preface this by saying that I do not live in the US, but rather in the Philippines. That's why some prices are cheaper, and som... | 2025-10-17T16:29:23.149606 | 25 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/$200-oscilliscope-any-recommendations-please/ | $200 Oscilliscope, Any recommendations please? - Page 1 | [
{
"post_id": "",
"author": "Azhar",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "September 30, 2016, 02:44:03 am",
"content": "I need to buy an Oscilloscope, my budget is $200, are there any scopes that you recommend?I need a simple 2 channel scope that do the basic stu... | 2025-10-17T19:02:02.998433 | 16 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/$200-power-supply-new-korad-or-used-hp-tektronix-or-similar/ | $200 power supply: New KORAD or used HP, Tektronix, or similar? - Page 1 | [
{
"post_id": "",
"author": "MaxBishop",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "April 07, 2024, 08:59:10 am",
"content": "Hello. I trust your experience more than my research. I’m going to spend in the neighborhood of $200 on a power supply. I need/want dual output, up to ... | 2025-10-17T16:37:02.725598 | 31 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/$250-or-less-100mhz-oscilloscope/ | $250 or less 100mhz oscilloscope? - Page 1 | [
{
"post_id": "",
"author": "iLearn",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "July 11, 2013, 05:21:48 pm",
"content": "Hi EEV Blog community.I'm looking for my first oscilloscope to use on car projects and hopefully any car-related engineering projects when I start graduate scho... | 2025-10-17T20:18:22.435442 | 17 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/$49-hitachi-v-1100a-for-repairs/ | $49 Hitachi V-1100A for repairs - Page 1 | [
{
"post_id": "",
"author": "jakeottinger",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "June 29, 2016, 02:47:56 am",
"content": "Hi guys and gals,I know it's not the best practice to be a newb and buy an oscilloscope that needs repairs but Looking at the photos I assumed the th... | 2025-10-17T19:15:35.479565 | 12 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/$50-hot-air-station/ | $50 Hot Air Station - Page 1 | [
{
"post_id": "",
"author": "daveyk",
"author_rank": "Frequent Contributor",
"is_op": true,
"timestamp": "April 30, 2017, 12:43:25 am",
"content": "Anyone have experience with these $50 hot air stations? Heck they look nice:https://www.ebay.com/itm/191557453776Sent from my iPhone using Tapata... | 2025-10-17T18:57:20.645853 | 4 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/$500-multimeter-recommendation/ | $500 multimeter recommendation - Page 1 | [
{
"post_id": "",
"author": "headingwest",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "April 19, 2013, 03:04:07 am",
"content": "Hi All,My better half has offered to buy me good multimeter, AUD$500'ish budget. What would your top recommendations be?I've been using the Victor 86E - a... | 2025-10-17T20:23:24.041427 | 48 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/$55arduino-replaces-$18k-labview/ | :: ... $55arduino replaces ... $18k labview - Page 1 | [
{
"post_id": "",
"author": "3roomlab",
"author_rank": "Frequent Contributor",
"is_op": true,
"timestamp": "March 01, 2015, 12:26:36 pm",
"content": "so i was bored, randomly reading things off internet ... and then i read thishttp://pheloniusfriar.dreamwidth.org/45390.htmlwe would all expect... | 2025-10-17T19:46:05.908912 | 17 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(-bjt-amplifier-circuit-v_be-negative-)/ | [ BJT amplifier circuit, v_be negative ] - Page 1 | [
{
"post_id": "",
"author": "texane",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "March 04, 2012, 04:17:39 pm",
"content": "Hi,I am learning about BJT transistor and I understand them quite well know... I guesseduntil I saw the following simple circuit:http://www.reconn... | 2025-10-17T20:35:36.405688 | 6 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(-comparator-with-npn-transistors-)/ | [ comparator with npn transistors ] - Page 1 | [
{
"post_id": "",
"author": "texane",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "January 17, 2010, 08:36:50 am",
"content": "Hi,I am working on a small project forwhich I need to compare a voltageto 2.5v. The compared voltage iscalled Vin. If Vin is more than 2.5,I nee... | 2025-10-17T20:43:45.214286 | 5 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(-different-grounds-)/ | [ different grounds ] - Page 1 | [
{
"post_id": "",
"author": "texane",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "February 19, 2010, 02:09:28 pm",
"content": "hi people,let say I have a device D0 I want tomonitor the clock and data signals.The device is powered by a 5v/10Macurrent source I have no acc... | 2025-10-17T20:43:38.063355 | 7 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(-high-(gt20kv)-back-emf-suppression-)/ | [ high (>20KV) back EMF suppression ] - Page 1 | [
{
"post_id": "",
"author": "texane",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "April 03, 2012, 05:43:24 am",
"content": "Hi,I am working on a project where I load capa then discharge them rapidlyin a coil using a MOSFET to produce a high magnetic field. To be efficie... | 2025-10-17T20:34:47.996745 | 10 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(-switching-5v-on-off-with-3-3v-command-)/ | [ switching 5v on off with 3.3v command ] - Page 1 | [
{
"post_id": "",
"author": "texane",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "June 09, 2013, 06:18:04 pm",
"content": "Hi,I need to switch on off a 5v source using 3.3v command (ARM MCU GPIOs).The load can draw up to 2A, typically 500mA. In this application, frequen... | 2025-10-17T20:21:21.725273 | 10 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(-ttl-output-to-cmos-input-)/ | [ ttl output to cmos input ] - Page 1 | [
{
"post_id": "",
"author": "texane",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "November 14, 2009, 01:42:03 pm",
"content": "Hi,I am to interface an old TTL based device withthe PIC18f. The device has roughly 20 pins comingfrom TTL based gates I have to read at a give... | 2025-10-17T20:43:50.722657 | 6 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(-ucurrent-gold-2-amplifiers-question-)/ | [ ucurrent gold 2 amplifiers question ] - Page 1 | [
{
"post_id": "",
"author": "texane",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "May 24, 2014, 12:42:24 pm",
"content": "Hi,I am implementing a current / voltage logger, whose design will be opensourced. The current monitoring part is similar to Dave's ucurrent golddes... | 2025-10-17T20:01:50.832501 | 3 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(-window-voltage-comparator-)/ | [ window voltage comparator ] - Page 1 | [
{
"post_id": "",
"author": "texane",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "October 17, 2009, 10:25:42 am",
"content": "Hi,As a beginner, I am reading the following book: practical electronicsfor inventor, from Paul Scherz.For a light sensor project, I need a wind... | 2025-10-17T20:43:51.840836 | 3 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(3x-5y)dx-(xy)-dy-0/ | (3x-5y)dx + (x+y) dy = 0 - Page 1 | [
{
"post_id": "",
"author": "J4e8a16n",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "July 30, 2015, 04:18:57 pm",
"content": "Hi,(3x-5y)dx + (x+y) dy = 0dy/dx = (5y-3x)/ (x+y)(5y-3x)/ (x+y) = 5A/ (x+y) - 3B/ (x+y)5y-3x = 5A - 3B5y-5A = 3x - 3B5(y-A) = 3(x-B)(y-A) * 5/3= ... | 2025-10-17T19:36:21.847001 | 15 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(almost)-silent-micro-switches/ | (almost) silent micro switches - what brands? - Page 1 | [
{
"post_id": "",
"author": "arekm",
"author_rank": "Unknown",
"is_op": true,
"timestamp": "November 09, 2013, 11:02:14 pm",
"content": "Are there any brands of silent (or close to silent) micro switches? The typical ones are very loud and thus aren't good candidates for mouse-like equipment.... | 2025-10-17T20:13:19.920849 | 9 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(almost)-zero-miliamps-on-the-power-supply-display-with-no-load-connected/ | (Almost) zero miliamps on the power supply display with no load connected - Page 1 | [
{
"post_id": "",
"author": "bodzio_stawski",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "February 01, 2024, 11:39:04 am",
"content": "Hi!I have recently been wondering about the methodology of measuring current in power supplies, which shows the current drawn from them... | 2025-10-17T16:41:19.997882 | 13 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(analog-electronics)-capacitor-measurement-circuit/ | [Analog Electronics] Capacitor Measurement circuit - Page 1 | [
{
"post_id": "",
"author": "Belquay Neust",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "March 04, 2020, 12:50:56 pm",
"content": "Hello!I want to build a circuit that can measure a capacitor. In that case I have used a REF102 and LM358 as (as much as it possible) precision current ... | 2025-10-17T17:54:25.509098 | 17 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(another)-isolation-question/ | (Another?) Isolation question.... - Page 1 | [
{
"post_id": "",
"author": "MartolFart",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "July 08, 2020, 04:25:06 pm",
"content": "Hi,I have a USB scope I've been using for SMPS troubleshooting from a desktop PC.... I'm switching (no pun!) to using a laptop and was planning to run from ... | 2025-10-17T17:42:53.315625 | 18 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(another)-pulse-generator-with-si5351/ | (another) Pulse generator with Si5351 - Page 1 | [
{
"post_id": "",
"author": "stcoso",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "February 20, 2020, 11:03:09 am",
"content": "Hi! I'm trying to design a pulse generator.I need adjustable 1-10 ns pulse with adjustable frequency (ideally 10kHz/50MHz).Si5351 has 3/8 clock... | 2025-10-17T17:55:17.257498 | 5 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(arduino-pwm-analog-meter)-my-fancy-contraption-freezes-intermittently-(/ | [Arduino, PWM, analog meter] my fancy contraption freezes intermittently :( - Page 1 | [
{
"post_id": "",
"author": "faekjarz",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "March 11, 2017, 04:58:28 pm",
"content": "Hey there enginerds!I made a fancy contraption and documented the first beta versionhere in the forum…it fails intermittently, i.e. the bloody t... | 2025-10-17T19:00:13.126283 | 4 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(arm)-does-a-usb-device-need-a-driver-on-the-host-microcontroller-to-get-power/ | [ARM] Does a USB device need a driver on the Host Microcontroller to get power? - Page 1 | [
{
"post_id": "",
"author": "robotwizard",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "January 12, 2018, 06:39:57 pm",
"content": "I've recently transitioned from arduinoes to ARM devices[Noob Alert]. I'm trying to make a maze solving robot - 'micromouse' and I'm trying to use an op... | 2025-10-17T18:40:52.874577 | 4 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(art-of-electronics)-zener-power-supply-exercice/ | [Art of Electronics|solved] Zener power supply exercice - Page 1 | [
{
"post_id": "",
"author": "Nicals",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "April 20, 2017, 04:53:41 pm",
"content": "Hello,I'm currently reading theArt of Electronicsbook, and I am having difficulties with an exercice relating to a simple zener diode regulated power supply.Th... | 2025-10-17T18:58:11.481784 | 4 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(ask)-about-minibloc-sot-227-b-mosfets-and-the-extra-source-pin/ | [ASK] About miniBLOC SOT-227 B mosfet and the extra Source pin - Page 1 | [
{
"post_id": "",
"author": "BravoV",
"author_rank": "Super Contributor",
"is_op": true,
"timestamp": "April 27, 2016, 07:56:11 am",
"content": "Few questions :- The extra 2nd Source pin which is drawn near to Gate pin, does that mean or imply anything special ?- The words \"Kelvin Source (ga... | 2025-10-17T19:19:30.453661 | 5 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(ask)-big-and-old-c0g-10nf-leaded-capacitor/ | [ASK] Big and old C0G 100nF leaded capacitor - Page 1 | [
{
"post_id": "",
"author": "BravoV",
"author_rank": "Super Contributor",
"is_op": true,
"timestamp": "March 10, 2016, 07:14:22 am",
"content": "Bought this on impulse recently at our local component store, its quite old and even the store keeper put on sale.Even though I do NOT need it, its ... | 2025-10-17T19:22:29.567629 | 18 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(ask)-coaxial-rg-174-vs-rg-58-with-length-under-150-cm-or-5-feet/ | [ASK] Coaxial RG-174 vs RG-58 under 150 cm or 5 feet - Page 1 | [
{
"post_id": "",
"author": "BravoV",
"author_rank": "Super Contributor",
"is_op": true,
"timestamp": "March 28, 2017, 02:21:33 am",
"content": "Does it matter much ?I'm about to make another batch of relatively short coax cables with BNC connectors for my electronic bench. And quite favor th... | 2025-10-17T18:59:49.863463 | 7 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(ask)-converting-typical-buck-switcher-into-split-rail-power-supply/ | [ASK] Converting typical Buck switcher into split rail power supply - Page 1 | [
{
"post_id": "",
"author": "BravoV",
"author_rank": "Super Contributor",
"is_op": true,
"timestamp": "November 13, 2016, 08:28:58 pm",
"content": "Just curious if is it that simple to make a typical Buck switcher to generate positive and negative rails using this method ? Any other considera... | 2025-10-17T19:08:31.484635 | 5 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(ask)-incandescent-lamps-in-series-for-load-testing/ | [ASK] Incandescent lamps in series for load testing. - Page 1 | [
{
"post_id": "",
"author": "BravoV",
"author_rank": "Super Contributor",
"is_op": true,
"timestamp": "August 01, 2017, 02:42:36 am",
"content": "Scored a really cheap, used AC/DC converter recently (photo attached), and I was only allowed to do on site test at the output voltage but unloaded... | 2025-10-17T18:51:18.217655 | 21 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(ask)-precautions-needed-for-a-noob-with-a-spectrum-analyzer/ | [ASK] Precautions needed for a noob with a spectrum analyzer - Page 1 | [
{
"post_id": "",
"author": "BravoV",
"author_rank": "Super Contributor",
"is_op": true,
"timestamp": "March 14, 2018, 10:15:03 am",
"content": "Recently by luck, scored an used bench type 9KHz - 3GHz spectrum analyzer, and as noob regarding this fine piece of T&M equipment, I have read few p... | 2025-10-17T18:36:12.245942 | 33 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(ask)-pro-con-of-rectangular-shaped-enameled-copper-wire/ | [ASK] Pro & Con of rectangular shaped enameled copper wire ? - Page 1 | [
{
"post_id": "",
"author": "BravoV",
"author_rank": "Super Contributor",
"is_op": true,
"timestamp": "January 24, 2017, 01:05:24 am",
"content": "Inductors using a rectangular shaped enameled copper wire, what are the pros & cons ?Example, random image from google."
},
{
"post_id": "... | 2025-10-17T19:04:32.100008 | 8 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(ask)-scope_s-50-ohm-input-mode-why-crap-scope-don_t-have-it/ | [ASK] Scope's 50 Ohm input mode, why cheap scopes don't have it ? - Page 1 | [
{
"post_id": "",
"author": "BravoV",
"author_rank": "Super Contributor",
"is_op": true,
"timestamp": "April 21, 2012, 08:25:59 am",
"content": "Just a noob question, understand the objective to reduce the cost, but from technical point of view, does it really need expensive front end compone... | 2025-10-17T20:34:28.197126 | 13 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(ask)-stacking-up-multiple-tvs-in-series/ | [ASK] Stacking up multiple TVS in series - Page 1 | [
{
"post_id": "",
"author": "BravoV",
"author_rank": "Super Contributor",
"is_op": true,
"timestamp": "November 03, 2015, 09:20:46 am",
"content": "Currently I have only 5 Volt rated TVS in stock, plan is to protect power mosfet's Vgs (non logic level Vgs@20V max) by using 3 of these 5 volt T... | 2025-10-17T19:30:58.150165 | 4 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(assignment)-need-to-make-the-most-simple-circuit-possible/ | [Assignment] Need to make the most simple circuit possible - Page 1 | [
{
"post_id": "",
"author": "UberStrike88",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "March 09, 2015, 05:33:50 pm",
"content": "Hi,Well I got a assignment today from school and the most simple circuit possible and it should be useful with the part you get.Some got a e... | 2025-10-17T19:45:42.013186 | 9 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(au)-inexpensive-kit-to-start-soldering-with-paste/ | [AU] Inexpensive kit to start soldering with paste - Page 1 | [
{
"post_id": "",
"author": "rthorntn",
"author_rank": "Frequent Contributor",
"is_op": true,
"timestamp": "November 12, 2024, 05:03:03 am",
"content": "Hi,What to buy in Australia to get started, namely the heat source?Beginner stuff thats a bit small to hand solder (0402, SOIC & SOT).The pa... | 2025-10-17T16:27:31.987284 | 15 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(audio-preamp)-capacitor-question/ | [Audio Preamp] - Capacitor question? - Page 1 | [
{
"post_id": "",
"author": "ElectricGuy",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "October 06, 2014, 10:12:01 pm",
"content": "Hi all;I understand most of this schematic, but i don't know the purpose of the C7?What is the difference between using C7 or a direct shor... | 2025-10-17T19:54:18.043099 | 8 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(aus)-second-hand-test-gear-for-setting-up-a-home-lab/ | (AUS) Second hand test gear for setting up a home lab? - Page 1 | [
{
"post_id": "",
"author": "Drewboy",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "February 16, 2014, 07:58:53 am",
"content": "Hi,First time poster, but have been very much enjoying the eev blog and forum for a year or so now. I'm also a second year EE student interested in se... | 2025-10-17T19:59:41.764061 | 30 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(avr-components)-need-help-regarding-nimh-aaa-charger/ | [AVR / Components] Need help regarding NiMH AAA charger - Page 1 | [
{
"post_id": "",
"author": "Nitrus",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "February 07, 2017, 04:00:23 am",
"content": "Hi everyone,I've been trying my hand at making a NiMH charger (I'll explain my project below).I know the topic has been extensively discussed to hell a... | 2025-10-17T19:03:19.361297 | 16 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(cheap)-esr-meter-for-beginner-suggestions/ | (cheap) ESR Meter for beginner, suggestions? - Page 1 | [
{
"post_id": "",
"author": "LeWidget",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "July 27, 2015, 01:57:55 pm",
"content": "hey guys,I was wondering if anyone had suggestions on cheapish ESR meters for basic repairs ? I've looked around and two that I've read about are... | 2025-10-17T19:36:26.703282 | 16 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(design)-how-to-drive-many-high-current-out-of-gpios-(esp32)/ | [Design] How to drive many "high" current relays and LED out of GPIOs (ESP32) - Page 1 | [
{
"post_id": "",
"author": "crgarcia",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "May 01, 2023, 04:37:45 pm",
"content": "Hi,I want to build a panel that has:- 8 push buttons (like this one:https://m.media-amazon.com/images/I/51+XvhFq5FL._SL1100_.jpg)- 8 5V LEDs (in t... | 2025-10-17T16:55:14.426671 | 4 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(diy-serial-analog-duty-cycle-meter)-voltmeter-voltage-regulators-mcu-usb/ | Finished: DIY serial analog duty cycle meter (for CPU and RAM load) - Page 1 | [
{
"post_id": "",
"author": "faekjarz",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "October 19, 2016, 11:58:38 am",
"content": "Hey there, i need some noob lube!I want to build aserial analog duty cycle meter.Its application would be a CPU load meter …like this:Core 2 D... | 2025-10-17T18:58:17.459751 | 9 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(dwin-display)-danger-high-voltage-for-esp32-and-others-below-5v/ | [Dwin Display] Danger: high voltage for ESP32 and others below 5V - Page 1 | [
{
"post_id": "",
"author": "rtek1000",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "March 09, 2024, 06:31:50 pm",
"content": "Hello,The DMG80480Y070_02NN display is releasing 5V at output TX2.But Datasheet says: Output Voltage (TXD): 3.2 Typ.I have 2 displays and they are the s... | 2025-10-17T16:39:11.698439 | 2 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(electrical-wiring-question)-ac-wires-sizing-for-current-rating-and-distance/ | [Electrical wiring question] AC wires sizing for current rating and distance. - Page 1 | [
{
"post_id": "",
"author": "aramosfet",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "May 25, 2014, 11:59:17 am",
"content": "Hi All,I have a basic question on Electrical wiring. I've been setting up a small electronics lab at my home. Unfortunately, there aren't any electrical ... | 2025-10-17T20:01:44.493366 | 8 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(entry-level)-digital-integrated-circuits-designer-i-need-your-two-cents/ | (entry level) Digital Integrated Circuits Designer - i need your two cents - Page 1 | [
{
"post_id": "",
"author": "steamedhams",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "July 14, 2021, 10:30:29 am",
"content": "I am preparing for an interview for a (entry level) Digital Integrated Circuits Designer.The job ad itself was very extensive and i am familia... | 2025-10-17T17:25:45.033276 | 2 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(esd)-(in-space)-ground-to-earth-vs-eliminating-local-potential-difference/ | [ESD] (in space) ground to earth vs. eliminating local potential difference - Page 1 | [
{
"post_id": "",
"author": "faekjarz",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "August 25, 2018, 12:08:59 pm",
"content": "Hey there, enginerds!I was thinking about electrostatic discharge / ESD; what it is and how it works. I just watched a YouTube video about serv... | 2025-10-17T18:26:24.600342 | 3 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(extreme)-esd-or-emp/ | [Extreme] ESD or EMP? - Page 1 | [
{
"post_id": "",
"author": "CZroe",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "March 20, 2019, 12:44:55 pm",
"content": "One month ago we took a direct lightning strike to the house. My brother’s car was parked only a few yards away from the obvious point where the lightning ... | 2025-10-17T18:14:21.955370 | 1 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(fluke-17b)-400ma-fuse-blown-fuse-is-replaced-but-there-is-no-continuity/ | [fluke 17b+] 400ma fuse blown: fuse is replaced but there is no continuity - Page 1 | [
{
"post_id": "",
"author": "snailevangelist",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "May 19, 2023, 12:00:39 am",
"content": "ahoy everyone!please bear with me since i am still new to electronics, but i could use some assistance. recently, i did a thing that i now know i defini... | 2025-10-17T16:54:16.211927 | 5 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(help)-esp8266-esp-01-programming-troubles/ | [HELP] ESP8266 ESP-01 Programming Troubles - Page 1 | [
{
"post_id": "",
"author": "ashwinbr",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "September 29, 2017, 06:56:15 pm",
"content": "Hi All,I'm a newbie in electronics and just getting into Arduino/RaspPi type projects.I'm working on a project to add some ESP8266 MCU based IoT devices ... | 2025-10-17T18:47:49.538446 | 6 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(help)-finals-steps-with-altium/ | [Help] Finals Steps with Altium - Page 1 | [
{
"post_id": "",
"author": "simon66",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "October 23, 2013, 05:01:47 am",
"content": "Hello all,I've been a eevblog viewer for a few months now and I finally decided to join.I've used eagle CAD for all of my personal projects. A friend of min... | 2025-10-17T20:14:31.416894 | 17 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(help)-parts-or-circuit-to-control-5v-rail-with-min-loss/ | [HELP] parts or circuit to control 5v rail with min loss - Page 1 | [
{
"post_id": "",
"author": "allenpan",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "March 21, 2016, 12:55:03 pm",
"content": "parts or circuit to control 5v rail with min losslong story short: I have MCU that use 2.1v for GPIO, and i have a separate 5v circuit, i would like to ... | 2025-10-17T19:21:51.565834 | 3 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(help)-suggest-opamp-to-shift-and-gain-50x-of-ac-signal-to-adc/ | [Help] Suggest opamp to shift and gain 50x of AC signal to ADC? - Page 1 | [
{
"post_id": "",
"author": "nhn",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "September 22, 2019, 02:20:26 pm",
"content": "HiI'm new here. Sorry if my English is not good.I has a simple knowledge about Electric. I try to design my own energy meter using voltage transfomer, current... | 2025-10-17T18:03:16.062777 | 2 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(help)-with-usb-powered-digisparkarduino-with-shutoff-after-3-minutes/ | (help) Dash camera UPS - Page 1 | [
{
"post_id": "",
"author": "robotic",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "December 05, 2017, 01:35:13 am",
"content": "Hi everyone,I bought a dash cam a while back and am not complete sure what is wrong with it. I'm thinking the internal battery is out of most of it's ... | 2025-10-17T18:42:57.045261 | 14 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(help-needed)-oscilloscopearduino-issue-overshooting-and-ringing/ | [Help Needed] Oscilloscope/Arduino Issue: Overshooting and Ringing - Page 1 | [
{
"post_id": "",
"author": "Ratents0",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "June 16, 2023, 04:43:37 am",
"content": "Hello everyone,I'm a newbie to the world of electronics and oscilloscopes, and I am currently facing a peculiar issue with my new Siglent SDS1202X-E oscillosc... | 2025-10-17T16:52:47.083933 | 19 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(how-to)-arduino-digitally-controlled-step-down-buck-dc-converter/ | [HOW TO] Arduino digitally controlled step down buck dc converter - Page 1 | [
{
"post_id": "",
"author": "MOROZAW",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "March 17, 2014, 01:37:37 pm",
"content": "Welcome!This is my first post on this forum!My name is Dominik and I am from Poland!I can't find similar topic on this forum and in a web so please help me wi... | 2025-10-17T20:05:11.484195 | 7 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(how-to)-determine-the-accuracy-of-a-circuit/ | [HOW TO:] Determine the accuracy of a circuit - Page 1 | [
{
"post_id": "",
"author": "ivan747",
"author_rank": "Super Contributor",
"is_op": true,
"timestamp": "July 13, 2011, 03:36:18 pm",
"content": "Hello,I have said it before and I will say it again: I'm not an analog guy, but now I'm trying to get into op-amps so here we go.I have a circuit an... | 2025-10-17T17:48:50.945038 | 2 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(i2c)(uart)-txs0108e-issues/ | [I2C][UART] TXS0108e issues - Page 1 | [
{
"post_id": "",
"author": "mr_byte31",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "December 03, 2024, 09:10:22 pm",
"content": "Hi All,I am trying to use TXS0108e module (in figure below) to interface my RPI 4 with 5v components (I2C ADC andGPS)I connect the MPU6050 o... | 2025-10-17T16:26:42.689170 | 11 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(long-road-to-e-kart)-practical-information-about-making-high-power-circuits/ | [Long road to e-kart] Practical information about making high power circuits? - Page 1 | [
{
"post_id": "",
"author": "Ciel",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "February 27, 2025, 07:16:48 pm",
"content": "Hello peeps, Ive been learning electronics from the internet (ikr) on and off for a month now, and Im set an “ultimate goal” so to say to build a 5/10kW elect... | 2025-10-17T16:22:16.199523 | 13 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(math)-solving-circuit-analysis-problems/ | [Math] Solving circuit analysis problems - Page 1 | [
{
"post_id": "",
"author": "nForce",
"author_rank": "Frequent Contributor",
"is_op": true,
"timestamp": "January 04, 2018, 02:14:38 pm",
"content": "Hi,this topic will be a little refresh of math and circuit analysis. The first circuit is here:Here U = Voltage.How do we get U_1? I know that ... | 2025-10-17T18:41:22.623708 | 5 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(mini)oscilloscope-advice/ | (Mini)oscilloscope advice - Page 1 | [
{
"post_id": "",
"author": "quicknick",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "October 14, 2021, 05:47:46 pm",
"content": "Hello everyone,Retro computing junkie here, feeling more and more the need for a simple and small oscilloscope. Kept postponing it, but after seeingt... | 2025-10-17T17:21:11.896868 | 8 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(most)-simple-regen-am-receiver-confused-about-the-feedback-circuit/ | (Most) Simple "Regen" AM receiver - confused about the feedback circuit - Page 1 | [
{
"post_id": "",
"author": "AxelGreen",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "February 26, 2019, 09:40:50 pm",
"content": "Hi everyone !I'm sorry to soil this forum with such a question ! I'm majoring in math (first year at Uni in France), but happened to love electronicsI ca... | 2025-10-17T18:15:44.040488 | 3 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(msp430f5529-ili9341-screen)-command-instruction-seem-dont-works/ | [SOLVED] [MSP430F5529 + ili9341 screen] command instruction seem don't works - Page 1 | [
{
"post_id": "",
"author": "OrKaraz",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "January 21, 2021, 09:26:20 am",
"content": "Hi,Since few days i'm working on a screen project with my MSP430F5529 and one ili9341 screen.I have take an exemple (from arduino, can't find on MSP) and ad... | 2025-10-17T17:35:11.686121 | 3 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(my)-casual-product-review-a-tech-play-mp3-and-phonograph-record-player-!/ | (My) Casual Product Review, A Tech Play MP3 and Phonograph record player ! - Page 1 | [
{
"post_id": "",
"author": "RJSV",
"author_rank": "Super Contributor",
"is_op": true,
"timestamp": "July 03, 2025, 09:54:17 pm",
"content": "Hi All : I like to post in BEGINNERS section because we are about learning and analyzing existing products...before hopefully doing our own.This time I... | 2025-10-17T16:15:51.488523 | 31 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(mystery-connector)-nitendo-ds-touch-screen/ | [SOLVED] [Mystery connector] Nitendo DS touch screen - Page 1 | [
{
"post_id": "",
"author": "nickn4",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "June 04, 2015, 02:10:05 am",
"content": "Hello everyone,A long time ago, i bought an little touchscreen for one of my projects but i never got to play with it because i don't know where to get a c... | 2025-10-17T19:39:24.274604 | 12 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(need-help)-atx-power-supply-ocpuvp-disabling/ | [Need help] ATX Power Supply OCP/UVP disabling - Page 1 | [
{
"post_id": "",
"author": "ipullstuffapart",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "March 19, 2014, 05:37:38 am",
"content": "Hi guys! I'm new to the forum here, but am indeed a fellow Eevblog viewerHoping you could help me out with a bit of a pickle I'm having with a project... | 2025-10-17T20:05:54.676443 | 6 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(newbie)-servo-capacitor-filtering-question/ | Servo capacitor filtering question. - Page 1 | [
{
"post_id": "",
"author": "Pedro R.",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "March 21, 2016, 12:41:27 pm",
"content": "I am designing a PCB for a hexapod robot with 19 servos(3 for each leg, 1 for a ultrasonic sensor positioning), controlled by an Arduino Mega and it kind has... | 2025-10-17T19:21:53.771588 | 6 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(noob)-choosing-a-potentiometer-for-a-12v-fan/ | [NOOB] Choosing a potentiometer for a 12v fan - Page 1 | [
{
"post_id": "",
"author": "TDA81",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "March 12, 2021, 06:47:21 pm",
"content": "Hi, guys!I want to wire a 12v server fan directly to the power supply, inside a pc.I can't wire it directly to the motherboard due to it's power consumption (4.... | 2025-10-17T17:31:34.489113 | 24 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(noob-mistakes)-importance-of-op-amp-decoupling/ | [noob mistakes] importance of op amp decoupling - Page 1 | [
{
"post_id": "",
"author": "exe",
"author_rank": "Unknown",
"is_op": true,
"timestamp": "June 09, 2017, 09:00:31 pm",
"content": "Hey guys, I had an almost detective story today. I was experimenting charachterizing different opamps I have.Essentially, I measure offset voltage (Vos), input cu... | 2025-10-17T18:54:34.333873 | 10 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(opamp)-is-a-dual-rail-supply-required-for/ | (opamp) Is a dual rail supply required for ... - Page 1 | [
{
"post_id": "",
"author": "Audiofanman",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "June 04, 2025, 04:31:43 pm",
"content": "First... I'm a total beginner, learning what I can absorb every day..I could say EE is a 2nd language that I am picking up slowly lol...So I'm (still)... | 2025-10-17T16:17:52.918728 | 4 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(pcb-review-request)-pi-zero-breakout-for-sensors-3-30v-regulated-input/ | [PCB review request] Pi zero breakout for sensors + 3-30V regulated input - Page 1 | [
{
"post_id": "",
"author": "mrburns",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "July 15, 2023, 02:50:27 pm",
"content": "Hi, I could use some help with my hobby PCB design. There must be tons of rookie mistakes and other things to improve. This board is for Raspberry Pi Zero... | 2025-10-17T16:51:14.419447 | 6 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(please)-help-me-pick-a-new-sig-gen/ | (Please) Help me pick a new Sig Gen - Page 1 | [
{
"post_id": "",
"author": "adamboon",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "June 20, 2016, 08:06:47 am",
"content": "Right. So We do mostly audio - I Already have a HP oscillator, that is super low distortion, 600? output and has a stepped attenuator - and I love it!I d... | 2025-10-17T19:16:12.334306 | 32 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(poll)-do-your-vias-and-pads-ever-overlap/ | (Poll) Do your vias and pads ever overlap? - Page 1 | [
{
"post_id": "",
"author": "sparkydog",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "January 08, 2024, 05:39:33 pm",
"content": "Since myoriginal questionhas seen no love, maybe a poll would be interesting?Comments welcomed if you think I missed an option!"
},
{
... | 2025-10-17T16:42:18.631361 | 9 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(possible-or-not)read-data-from-spi-flash-memory-using-a-usb-sd-card-reader/ | (possible or not)Read data from SPI flash memory using a USB SD card reader? - Page 1 | [
{
"post_id": "",
"author": "zinoviy",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "February 25, 2017, 09:27:15 pm",
"content": "Hi thats my first post here!, and im happy to be here. im a beginner please be patient with me.let me explain my question,I have seen that we can use µ-con... | 2025-10-17T19:02:20.648417 | 3 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(potentially)-noobish-questions-about-lipoliion-charging/ | (Potentially) Noobish questions about LiPo/LiIon charging - Page 1 | [
{
"post_id": "",
"author": "blc",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "December 05, 2012, 05:23:17 pm",
"content": "Hello allFirst post, new to the forum and all that. Compared to the experience on tap here I've only got a rudimentary understanding of electronics: I can foll... | 2025-10-17T20:28:24.397327 | 5 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(pre-)amplifier-to-measure-power-supply-noise/ | (pre-)amplifier to measure power supply noise - Page 1 | [
{
"post_id": "",
"author": "exe",
"author_rank": "Unknown",
"is_op": true,
"timestamp": "April 06, 2019, 07:53:14 am",
"content": "Hello.I would like to measure noise of my linear power supply. I think I need a pre-amplifier as my oscilloscope's noise dominates the measurement. I've seen a f... | 2025-10-17T18:13:08.719488 | 14 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(q)-feasibility-creating-a-(poor-mans)-dac-with-a-led-driver-and-current-mirror/ | [Q] Feasibility creating a (poor-mans) DAC with a LED driver and current mirror - Page 1 | [
{
"post_id": "",
"author": "CircuitBreaker",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "October 01, 2025, 06:02:41 pm",
"content": "Dear audience,In my never-ending quest to have a cheap solution for multiple calibration voltages (context: DIY synthesiser), I have come up wit... | 2025-10-17T16:13:47.968042 | 13 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(q)-ina226-and-low-side-current/ | [Q] INA226 and low-side current sensing - Page 1 | [
{
"post_id": "",
"author": "AlxDroidDev",
"author_rank": "Frequent Contributor",
"is_op": true,
"timestamp": "January 29, 2016, 04:45:27 pm",
"content": "For my electronic load project, I decided to use aTexas' INA226. If I went with the INA219 (high-side only), I'd have to use 2 shunt resis... | 2025-10-17T19:25:30.307938 | 3 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(q)-transistor-question/ | [Q] Transistor question - Page 1 | [
{
"post_id": "",
"author": "itvend",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "May 02, 2014, 11:46:17 am",
"content": "Hy.So i have little circuit and why does collector output signal does this, it goes 60us longer before dropping to 0V."
},
{
"post_id": "",
"aut... | 2025-10-17T20:02:52.628266 | 9 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(q)-what-are-these-parts/ | [Q] What are these parts? - Page 1 | [
{
"post_id": "",
"author": "fusionimage",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "April 30, 2015, 04:09:18 pm",
"content": "hi! this is an old garage door opener from 1991.i would like to know, of these parts are inductivities and what colorcode they use?they have 5-6 pins... | 2025-10-17T19:40:39.958324 | 9 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(question)-circuit-with-diodes-and-zener-diodes-for-various-voltages/ | [Question] Circuit with diodes and zener diodes for various voltages - Page 1 | [
{
"post_id": "",
"author": "krd777",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "December 01, 2010, 04:12:42 pm",
"content": "Hi everyone!I'm having some doubts here and i can't find the proper answer anywhere.It is I can't remember the models for diode circuit analysis.I've s... | 2025-10-17T20:41:23.235257 | 5 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(question)little-programming-question/ | [QUESTION]Little programming question - Page 1 | [
{
"post_id": "",
"author": "anker_by",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "September 07, 2017, 06:26:25 pm",
"content": "Hello everyone, I want to know if Pythong works across with micro processor, electronics... etc... sorry for noob question...Regards,- Anker_by"
}... | 2025-10-17T18:49:17.147075 | 3 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(questionadvice)-adaptiveintelligent-lighting-system-planning-and-parts/ | [Question/Advice] Adaptive/Intelligent Lighting System - Planning and Parts - Page 1 | [
{
"post_id": "",
"author": "superheromario",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "January 16, 2021, 04:41:52 pm",
"content": "Hi guys,I think this is the first time I post here and I am not sure if it's the appropriate place to do so, so please guide me out if it isn't. Than... | 2025-10-17T17:35:29.151798 | 1 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(raspberry-pi)-3-5-inch-display-rotation-does-not-work/ | [Raspberry pi] 3.5 inch display - rotation does not work - Page 1 | [
{
"post_id": "",
"author": "bodzio_stawski",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "May 05, 2024, 11:03:29 am",
"content": "Hello!This week I started learning about Raspberry PI 4B and a 3.5 inch MHS display - the same model as described here:http://www.lcdwiki.co... | 2025-10-17T16:36:10.224905 | 9 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(repair)-current-reading-error-with-dsn-vc288-(100v-10a-voltmeter-ammeter)/ | [Repair] Current reading error with DSN-VC288 (100V 10A Voltmeter Ammeter) - Page 1 | [
{
"post_id": "",
"author": "danon.spy",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "March 18, 2018, 12:02:54 pm",
"content": "Hi DIYer,I have come across this issue. When I tried to make a power supply using some cheap DC to DC converter and a volt+amp meter, the current meter show... | 2025-10-17T17:04:04.790316 | 8 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(review-request)-micro-sd-card-schematic/ | [Review Request] micro SD card schematic - Page 1 | [
{
"post_id": "",
"author": "kuelezav",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "December 15, 2024, 10:04:43 pm",
"content": "Hello everyone. I was hoping to get some feedback on my schematic for an SD card socket. Will this design work? My aim is record sensor data (acceleromete... | 2025-10-17T16:26:12.494873 | 11 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(review-request)-stm32-breakout-board/ | (Review request) STM32 Breakout board - Page 1 | [
{
"post_id": "",
"author": "Fcolor04",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "June 24, 2023, 02:38:22 pm",
"content": "Hello, I've recently been listening to all the do's and dont's of pcb design and so I want to ask for a pcb review of my arduino sized STM32 bluepill red... | 2025-10-17T16:52:12.909776 | 13 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(rf-basics)-mc60e/ | RF basics - Page 1 | [
{
"post_id": "",
"author": "papamoscas",
"author_rank": "Newbie",
"is_op": true,
"timestamp": "July 17, 2018, 10:42:06 am",
"content": "Hi,I'm a beginner in the world of the PCB's and of RF. I need your help and your knowledge.I want to make a PCB with the Quectel MC60E with the two SMA conn... | 2025-10-17T18:29:09.200289 | 1 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(rfc-on-yt-video)-_how-vrms-work_-mosfets-pwm-phases-and-stuff/ | [RFC on YT Video] "How VRMs work" - DaveCAD, MOSFETs, PWM, Phases, …and stuff - Page 1 | [
{
"post_id": "",
"author": "faekjarz",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "October 29, 2016, 01:21:58 am",
"content": "Hey there!I've found this video on YT ?? and i like it. Since, according to Louis Rossmann (https://www.youtube.com/user/rossmanngroup), this ... | 2025-10-17T19:09:31.239273 | 2 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(rigol)-oscilloscope-ground-clip-leads/ | [Rigol] Oscilloscope ground clip leads - Page 1 | [
{
"post_id": "",
"author": "int2str",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "April 06, 2015, 05:51:13 am",
"content": "Just got a Rigol DS1054Z. I really don't like the alligator clips on the ground leads.Does anybody make leads with spring loaded hooks?Also, are ... | 2025-10-17T19:43:31.554305 | 2 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(schematic-review)-semi-automatic-switching-grid-ecoflow/ | [Schematic Review] Semi-automatic switching: Grid - EcoFlow - Page 1 | [
{
"post_id": "",
"author": "glebkooo",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "September 21, 2024, 09:19:52 am",
"content": "Hello.Please help review the following idea / schematic. The main questions - is it actually safe.What I want to achieve is to charge EcoFlow Delta ... | 2025-10-17T16:30:06.603382 | 5 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(schematic-review-request)-fpga-power-circuit/ | [Schematic Review Request] FPGA Power Circuit - Page 1 | [
{
"post_id": "",
"author": "HasanSyr",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "March 12, 2025, 06:39:55 pm",
"content": "FPGA Power Circuit for my development board built around/for a SOM."
},
{
"post_id": "",
"author": "jwet",
"author_rank": "Frequent Cont... | 2025-10-17T16:21:51.894232 | 3 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(schematic-review-request)-solar-powered-macropad-review-request/ | [Schematic Review Request] Solar Powered macropad review request - Page 1 | [
{
"post_id": "",
"author": "AmeliaBuns",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "April 04, 2025, 04:40:16 am",
"content": "Hi! I haven't designed any circuits in about a year, and I'm getting started again, I barely remember anything...i was wondering if any of you... | 2025-10-17T16:19:56.832805 | 22 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(search)-datasheet-uaa3000/ | [Search] Datasheet UAA3000 - Page 1 | [
{
"post_id": "",
"author": "PinheadBE",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "July 16, 2019, 08:08:08 am",
"content": "That IC is a timer made by Valvo that can be directly used on mains power and used in an application circuit that has been around for quite some... | 2025-10-17T18:06:49.990899 | 1 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(solved)-unity-gain-differential-amplifier-not-working-as-expected/ | [Solved] Unity Gain Differential Amplifier not working as expected - Page 1 | [
{
"post_id": "",
"author": "king.oslo",
"author_rank": "Frequent Contributor",
"is_op": true,
"timestamp": "January 13, 2012, 12:20:07 am",
"content": "Hello there,I made an Unity Gain Differential Amplifier circuit. This tutorial told me that Vout = V2-V1:http://www.electronics-tutorials.ws... | 2025-10-17T20:36:42.811082 | 9 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(solved)-what_s-the-q-of-this-circuit/ | [Solved] What's the Q of this circuit? - Page 1 | [
{
"post_id": "",
"author": "SoftwareSamurai",
"author_rank": "Regular Contributor",
"is_op": true,
"timestamp": "November 10, 2011, 03:49:25 pm",
"content": "While tying to learn more about bandpass filters, I stumbled acrossthis circuit(see pic). Does anyone know how to calculate the Q of t... | 2025-10-17T20:37:42.296178 | 4 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(sorry)-op-amps/ | (Sorry) op amps. - Page 1 | [
{
"post_id": "",
"author": "paulca",
"author_rank": "Super Contributor",
"is_op": true,
"timestamp": "November 20, 2017, 01:24:12 pm",
"content": "I've spent two days playing with op amps. Everything is grand with DC: comparators, followers, neg fb gain etc.It's when I put a small AC signal ... | 2025-10-17T18:44:22.882995 | 15 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(stm32)-why-a-0-in-the-output-data-register-activates-the-n-mos/ | [STM32] Why a “0” in the output data register activates the N-MOS? - Page 1 | [
{
"post_id": "",
"author": "unscripted",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "August 24, 2022, 12:04:49 am",
"content": "Really a beginner question.. but I thought a N-MOS like a N-Channel MOSFET was activated with \"1\" logic but while using a STM32 GPIO as open drain ... | 2025-10-17T17:06:31.329999 | 3 | electronics | beginners | true |
https://www.eevblog.com/forum/beginners/(suggestions)-what-is-wrong-with-this-schematic/ | [Suggestions] What is wrong with this schematic? - Page 1 | [
{
"post_id": "",
"author": "WaRc3L",
"author_rank": "Contributor",
"is_op": true,
"timestamp": "July 30, 2015, 02:12:05 pm",
"content": "Hello everybody,I am newbie into design of PCB and I need your help for a suggestions about this schematic. It's a simple triangular-wave generator with a ... | 2025-10-17T19:36:20.618440 | 13 | electronics | beginners | true |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.