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Building a home hifi component from scratch was a very early dream. There was finally an excuse to do it.
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Ultimate stereo amplifier

lion-mclionheadlion mclionhead

compact, energy-efficient, battery-powered system for ePaper-based display of information gathered via Wi-Fi
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Tinta - low power wireless epaper device

casparcaspar

Breathing life into a half a century old RCA COSMAC Micromonitor emulator of CDP1802 microprocessor
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CDP18S030: A Microcomputer in a Briefcase

lauri-pirttiahoLauri Pirttiaho

An open-source loudspeaker architecture using internally retained pneumatic energy to reinforce the incoming half-cycle.
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Dynamic Zero

mindaugas-mickusMindaugas Mickus

A low cost robotic hand for robots and humans
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Yeah Robotic Hand (formerly Rebelia)

vittorio-lumareVittorio Lumare

Hall sensor, IR optocouple, ignition coil inducted tachometers. Also clock, voltmeter, DS thermometer.
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Tachometer 6-in-one

mikhail-belkinMikhail Belkin

A action game played by coin insertion.
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Run! Run! CoinRun!

tokakentokaken

Information about reverse engineering process of a cheap aftermarket car LCD device with Car Play and Android Auto support.
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Reverse Engineering F133/D1s device

gamadrildevgamadril.dev

Currently creating a motion simulated CAD drawing with an LLM
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PLANTINATOR 2026

goat-industriesGOAT INDUSTRIES

ANTIRTOS is an ultra-lightweight, universal C++ library designed for task management in IoT and embedded applications.
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ANTIRTOS: no RTOS needed, you will see

aleksei-tertychnyiAleksei Tertychnyi

A pocket-sized, millimeter-accurate digital rangefinder built with an ESP32 microcontroller, I2C OLED, and LiPo battery.
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ESP32 mm-Accuracy Laser Rangefinder

mayer-xiaoMayer Xiao

Open-source multimeter with some unique features
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HYDRAMeter

john-duffyJohn Duffy

bluetooth app controlled professional portable DSP mixer.balanced audio IO,phantom power,flexible routing,ISO recording. timcode. AVB audio.
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Multichannel Audio DSP Field Mixer Recorder

ben-bilesben biles

Until the late 1990s, this device outperformed general purpose computers at certain number theory problems.
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A Tiny Sieve | Lehmer's Math Machine in ATtinys

kbsriramkbsriram

A freeform brass wire sculpture featuring a round capacitive touch screen, 6-axis IMU auto-rotation, and reactive led filaments.
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YUMO SMART CUBE: Touch screen/ESP32-S3 Brass Wire

yumobuildsYUMO.BUILDS

A hand-bent 1.5mm brass wire clock sculpture powered by ESP32-C3 with NTP time sync, hardware-multiplexed 7-segment display, and 5-stage SK
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YUMO GLOBE

yumobuildsYUMO.BUILDS

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