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Building a mechanical television with parts only from the 1920s. Focusing on simplicity.
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Mechanical Television - only 1920s parts

paul-kocylaPaul Kocyla

A standalone ESP32-based SINAD indicator with FFT and waveform monitoring for practical receiver evaluation.
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A Pocket Digital SINAD Indicator Using ESP32

nobchanobcha

A buck controller that can be controlled using any microcontroller.
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Programmable Synchronous Buck Converter

sayanSayan

Электрический трёхколёсный велосипед с CVT
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Электрический трёхколёсный велосипед

evgeniy-anEvgeniy An

Open source serial adapter / reboot controller for Apple Silicon Macs
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Central Scrutinizer: a serial adapter for M1/M2/M3

mazmaz

Quad-tube Geiger coincidence detector that uses cosmic ray muons as a true hardware RNG and decision oracle.
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Muon Oracle

allan-binderAllan Binder

Bring the Excalibur 64 back to life
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Excalibur 64 The Recreation

daveDave

Welcome to the most painfully niche thing I've created.
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Solar Solenoid Controller - WellWatch

jesse-farrellJesse Farrell

BK7258 is connected to 2x2.16" 480x480 AMOLED, one L1+L5 frequency band GPS module, and one SIM7670G 4G module. And 4 sensors.
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BK7258 240MHz+2x480MHz low-power IoT platform

eleclabElecLab

Somewhere to store my files
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DC Load Face Plate- Control Box

justinrichardsjustin.richards

The LiPo Power Board functions as a power controller for devices powered by batteries, mainly aimed at prototyping use due to its breakout
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Power Management Board for Battery Powered Project

electronicsworkshopselectronicsworkshops

ADX: Workhorse Arduino for factories, farms, and offices. Open and tough.
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ADX : Industrial ATtiny board, Arduino IDE Ready.

masahiro-furukawaMasahiro Furukawa

An electronic candle that switches off when you blow on it. No moving parts, no microcontroller; just old-style analog circuitry.
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Blow Out an Electronic Candle - The Analog Way

andrea-consoleAndrea Console

A Pico 2 based macro machine with a efficient control layout
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Re-assignable Encoder Macromachine

colprColpr

Learning to design and build a 24GHz FMCW Radar from first principles
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FMCW Radar

darren-winterDarren Winter

Open hardware mesh terminal that runs over power lines. No internet. No GSM. No servers. Works during blackouts.
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GRIDNET — Powerline Mesh Terminal

yaar-satrYaşar Satır

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