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It's annoying to guess at the brightness of an indicator when calculating for an LED.
Project Owner Contributor

Why I built an LED luminosity tuner

charliehkimcharlie.h.kim

Optical Tracking for VR and Mocap using Raspberry Pis, as an Open Source and Open Hardware Implementation
Project Owner Contributor

AsterTrack

seneralSeneral

A board series to help debug hardware at the lowest level
Project Owner Contributor

Alien Probes

jacques-pelletierJacques Pelletier

Enjoy short circuit protection. Have both +3.3V and +5V at hand. Clearly separates data input and output of your prototype. With goodies.
Project Owner Contributor

Super Breadboard

nijssenNijssen

Crafting a wireless gamepad for PC, using parts from an old Genesis gamepad
Project Owner Contributor

Sega Genesis wireless gamepad

farooq-master-patataFarooq [Master Patata]

A retro-style FPGA-based microcomputer. The microcomputer serves as a platform for software and RTL experimentation.
Project Owner Contributor

BoxLambda

epsilonEpsilon

Automated Pressure Advanced Calibration for FDM 3D printer
Project Owner Contributor

Auto PA for 3D printer

markmark

Open-source material tech using ionic triggers to aggregate microplastics at the source, preventing bioavailability in marine ecosystems.
Project Owner Contributor

Skoog Flocculant-Proactive Microplastic Solution

goranskoogGoranskoog

Building a Pen Plotter with automatic toolchanger with components from an old RepRap style 3D Printer. Runs on Klipper.
Project Owner Contributor

Limn: Pen Plotter with Toolchanger

prashant-sinhaPrashant Sinha

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

Muon Oracle

allan-binderAllan Binder

Another room navigation robot
Project Owner Contributor

Roomie Bot

jacob-david-c-cunninghamJacob David C Cunningham

ESP32-C6 USB stick for Home Assistant: Bluetooth Proxy + air quality sensor. Open source ESPHome firmware. Extends BLE to garden & basement.
Project Owner Contributor

Air Quality Sensor Stick & Bluetooth Proxy

d-eD. E.

An outdoor, solar-powered cicada that harvests light through its wings and bursts into a buzzing call once enough energy is stored.
Project Owner Contributor

Screaming Solar Cicada

snowhandsSnoWHandS

An Arduino UNO Compatible Board with isolated Glowing headers and some Extras
Project Owner Contributor

Uno Plus+

john-loefflerJohn Loeffler

I didn't have enough to buy a Lab Bench PSU... So I made one.
Project Owner Contributor

OPEN Power

john-loefflerJohn Loeffler

Building a great sounding amplifier for your desk on the cheap
Project Owner Contributor

Amply - A $10 desktop BT amplifier you'll love

marco-tabiniMarco Tabini

Going up?

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