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Microcontroller Projects

Microcontroller Projects

ESP32, Arduino, Raspberry Pi and other microcontroller projects

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LED Lighting

LED Lighting

Addressable LEDs, controllers and lighting projects

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Electronics Help

Electronics Help

Circuits, components, repair and electronics projects

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Advanced Electronics

Electronics Design

sci.electronics.design

- Design your own electronics! You are not alone.

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Electronics Repair

sci.electronics.repair

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

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Field-Programmable Gate Arrays

comp.arch.fpga

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

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Electronics Computer-Aided Design

sci.electronics.cad

- Get help designing your PCB

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Basic Electronics

Hobby Electronics Basics

sci.electronics.basics

- for you, electronics enthusiasts!

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General Electronics

sci.electronics.misc

- General Electronics Discussions

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Electronics Down Under

aus.electronics

Lively Australian electronics hobbyists community

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Electronics Equipment

sci.electronics.equipment

- Electronics Equipment

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Electronic Components

sci.electronics.components

Discussions about design and application of electronic circuit components

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International Electronics (BETA)

Electronics (Polish)

pl.misc.elektronika

- International - Polish Electronics Discussions

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Electronics Hobby (Italian)

it.hobby.elettronica

- International - Italian electronics discussions

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Electronics (German)

de.sci.electronics

- International - German Electronics Discussions

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Electronics (Croatian)

hr.sci.elektronika

- International - Croatian Electronics Discussions

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Electronics (Danish)

dk.teknik.elektronik

- International - Danish Electronics Discussions

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Electronics (Dutch)

nl.hobby.elektronica

- International - Dutch Electronics Discssions

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Electronic Circuits (Russian)

fido7.su.hardw.schemes

- International - in Russian Electronic Circuits Design and Repair

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Electronics (Spanish)

es.ciencia.electronica

- International - Spanish Electronics Discussions

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Electronics (French)

fr.sci.electronique

- International - French Electronics Discussions

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Microcontrollers (Russian)

fido7.ru.embedded

- International - Russian Microcontrollers Discussions

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Electronics (Swedish)

swnet.teknik.elektronik

- International - Swedish Electronics Discussions

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Electronics Technologies (Russian)

fido7.su.hardw.technology

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

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PCAD Forum (Russian)

fido7.rus.pcad

- International - in Russian PCB design using PCAD

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Microcontrollers

Embedded Programming

comp.arch.embedded

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

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Embedded Linux

comp.os.linux.embedded

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

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Raspberry Pi Group

comp.sys.raspberry-pi

Discussions about Raspberry Pi single-board computer

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Microcontroller Discussions

alt.microcontrollers.8bit

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

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Latest

scientists discover a hidden flaw that challenges 40 years of superconductor science

From: https://www.sciencedaily.com/releases/2026/10/261023023731.htm…

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FM Local Osc coil for Panasonic RF-811

After using this post to help iron out other issues…

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Three-wheeled omnidirectional ROS2 robot with printed omni wheels

The hardest stretch of this build is the wheel assembly, and the maker handles…

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3D-printed gyro gamepad built around a Pico

When it is finished and plugged in, this controller works as a handheld…

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A five minute lesson on pull-up and pull-down resistors

The starting point for this project is a problem every microcontroller build…

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Finally finished calibrating my horn setup — interesting results

After getting the horn geometry finalized, I spent all afternoon dialing in…

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Power supply question on Raspberry Pi

I've got a pair of Pi2Bs using externally-powered USB mechanical hard disks.…

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A 1600 Watt solar thermal collector for a steam engine project

The maker now has a large solar thermal collector running on a flat roof…

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FastLED Podcast Episode One Teaches Polar Coordinates

When it is working, this first episode of a FastLED podcast teaches the basic…

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Black dots on the back of my camera module - what are they actually for?

Popped the back off my phone last night to swap a swollen battery, and while I…

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Frequently Asked Questions All FAQs »

Potting compound

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

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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…

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atiny13 to atiny25

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

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wart overvoltage protection

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

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Raspberry Pi Sound card problem electret condenser microphones

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

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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…

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Rectangular LEDS

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

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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…

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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…

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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…

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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…

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~ OT? Dust in a computer

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

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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…

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