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Who needs Mouser or Digikey?

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Openwrt on custom hardware

Do you know of some open hardware that runs offic...

Do you know of some open hardware that runs officialy openwrt? I'll try to expl...

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Photodiode bootstrap phase rolloff

Hi all, I am currently working on a range-switche...

Hi all, I am currently working on a range-switched photodiode design for use in...

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building electronics beacon for survival

I am thinking to build electronics beacons for bo...

I am thinking to build electronics beacons for both outdoor and traveling. Afte...

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Wide frequency range, arbitrary waveform DDS

To generate frequencies from approximately 0.5 mH...

To generate frequencies from approximately 0.5 mHz to 12 MHz with a DDS a minim...

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Which is the better state for rechargable Batteries!!

When I moved house about five years ago, I stupid...

When I moved house about five years ago, I stupidly left my motor mower in the...

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sluggish remote control if you haven't used it for a day or two?

Have any of you noticed that your remote control,...

Have any of you noticed that your remote control, for a tv or whatever, doesn't...

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Meyer Sound 833 problem

I have a Meyer Sound 833 control unit on my bench...

I have a Meyer Sound 833 control unit on my bench. It has a weird fault that ap...

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Scumacher 1042A-PE battery charger has no output.

This Schumacher 1042A-PE battery charger stopped...

This Schumacher 1042A-PE battery charger stopped functioning today. It seemed t...

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I direct wired Plug and Play LEDs, is this bad?

I replaced the ballast and fluorescent tubes in a...

I replaced the ballast and fluorescent tubes in a bathroom fixture with LED rep...

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Dot matrix display 7x5 LTP2157AE pin-out

I have been given a number of 7x5 dot matrix disp...

I have been given a number of 7x5 dot matrix display segments. There are 7 pins...

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Advanced Electronics

Electronics Design

sci.electronics.design

- Design your own electronics! You are not alone.

43673 820846
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Electronics Repair

sci.electronics.repair

Discussions about repairing electronic devices (as opposed to the common habit o...

21768 171807
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Field-Programmable Gate Arrays

comp.arch.fpga

- FPGAs, PLDs and other programmable logic ICs are discussed here

15253 83585
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Electronics Computer-Aided Design

sci.electronics.cad

- Get help designing your PCB

1796 15513
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Basic Electronics

Hobby Electronics Basics

sci.electronics.basics

- for you, electronics enthusiasts!

9370 100849
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General Electronics

sci.electronics.misc

- General Electronics Discussions

5208 35378
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Electronics Down Under

aus.electronics

Lively Australian electronics hobbyists community

5133 50369
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Electronics Equipment

sci.electronics.equipment

- Electronics Equipment

4456 16717
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Electronic Components

sci.electronics.components

Discussions about design and application of electronic circuit components

3494 23138
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International Electronics (BETA)

Electronics (Polish)

pl.misc.elektronika

- International - Polish Electronics Discussions

59063 515135
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Electronics Hobby (Italian)

it.hobby.elettronica

- International - Italian electronics discussions

44150 333398
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Electronics (German)

de.sci.electronics

- International - German Electronics Discussions

25746 552332
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Electronics (Croatian)

hr.sci.elektronika

- International - Croatian Electronics Discussions

18302 113761
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Electronics (Danish)

dk.teknik.elektronik

- International - Danish Electronics Discussions

10882 84306
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Electronics (Dutch)

nl.hobby.elektronica

- International - Dutch Electronics Discssions

9152 68778
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Electronic Circuits (Russian)

fido7.su.hardw.schemes

- International - in Russian Electronic Circuits Design and Repair

7781 104065
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Electronics (Spanish)

es.ciencia.electronica

- International - Spanish Electronics Discussions

5194 33352
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Electronics (French)

fr.sci.electronique

- International - French Electronics Discussions

5114 58042
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Microcontrollers (Russian)

fido7.ru.embedded

- International - Russian Microcontrollers Discussions

3986 53407
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Electronics (Swedish)

swnet.teknik.elektronik

- International - Swedish Electronics Discussions

2621 16583
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Electronics Technologies (Russian)

fido7.su.hardw.technology

- International - in Russian Electronics Technologies such as making PCBs and...

721 5614
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PCAD Forum (Russian)

fido7.rus.pcad

- International - in Russian PCB design using PCAD

459 1545
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Microcontrollers

Embedded Programming

comp.arch.embedded

- general topics related to embedded programming. All OSes and all MCU and MPU p...

16389 139530
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Embedded Linux

comp.os.linux.embedded

- Embedded programming for all flavors of Linux OS on all hardware platforms.

3508 11570
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Raspberry Pi Group

comp.sys.raspberry-pi

Discussions about Raspberry Pi single-board computer

2092 36506
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Microcontroller Discussions

alt.microcontrollers.8bit

The popular 8bit microcontrollers by Microchip, Atmel and other manufacturers ar...

285 1299
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Latest

"Smart" Lock 'Switchbot'

Hallo Eben las ich bei Heise (Bestenlisten) über das Switchbot Smart Lock, ein...

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Blackout w Hiszpanii

https://youtu.be/Rb9oWsQuENE?t=235 Co nieco wyjaśnione w miarę zwartej formie....

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brcmf errors

I'm running a Pi3B under Buster (yes, I know, out of the ark). 4 days ago, for...

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+2V rail with an opamp

https://www.dropbox.com/scl/fi/s8by878zs7a7h4knhr7f4/R360_2V_rail.jpg?rlkey=wbkw...

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Books about oscilloscopes

Can you, please, suggest books about oscilloscope triggers ? Thanks ! ---------...

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Optocoupleur analogique

Bonjour à tous, Considérons le circuit disponible ici : ftp://newton.systella.f...

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Why all computer casing & cables are black?

Why all computer casing & cables are black? -- @~@ Simplicity is Beauty! Remain...

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Re: the 555 timer IC is 55 years old?

> gawd I was at uni 51 years ago, I remember it was new > and the 741 op-amp wa...

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Frequently Asked Questions All FAQs »

Potting compound

Something optically clear, temperature range of -40C to +60C (70C would better)...

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rec's for NiMH battery tester/charger?

I've got a big chunk of AA, AAA, and some C NiMh cells of varying ages... I'd l...

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atiny13 to atiny25

I'm in the process of shfiting a board using Atmel's atiny13 to the atiny25. Th...

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wart overvoltage protection

We make a gadget that's powered by a 12 volt wart, and sometimes a user applies...

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Raspberry Pi Sound card problem electret condenser microphones

I want to process the signals of five electret condenser microphones with raspb...

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Radio Reception - Massive Electrical Interference

Hi! I just moved to an apartment and wanted to keep my radio in the bathroom, s...

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Rectangular LEDS

I'm thinking of making a Set Theory Clock display for a desk clock and using LE...

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Driving LEDs with constant voltage

I have some 7-segment displays I'd like to drive from a uP output...the segment...

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Controlling alot of LEDs from Arduino or AVR. Maybe 74HC595

I am trying to create a project much like like a Marquee sign, I want to be abl...

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Solved Issues All Solved »

Problem with wiringPi (2025 Update)

Hi I set out with the intention of connecting and communicating with small gadg...

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Soldering gun tip - Weller DIY tipreplacement

I have a Weller soldering gun & the tip burned through. Not having a spare, I t...

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~ OT? Dust in a computer

Any good solutions to keep the dust out? Anyone doing anything along those line...

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Repair of Samsung 55" TV - backlight problem

Friends of mine have a Samsung 55" 4K TV, model UN55HU6840 (about 2014). They s...

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