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A fully discrete addressable LED driver, just oscillators, counters, and gates
Project Owner Contributor

Driving WS2812s With Zero Code: Logic Gates Only

povilas-dumciusPovilas Dumcius

Mini-PI Media Server for use on home network or as a wifi access point to stream media from
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Mini-PI Media Server

diddydiddy

A speed breaker used as a plastic bottle crasher that uses weight of the passing car instead of powered motor or compressor to crush bottles
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Plastic bottle crashing speed breaker

anteneh-gashawAnteneh Gashaw

Too simple for a project page & which may never happen.
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Silly hardware wishlist

lion-mclionheadlion mclionhead

The Revolution in the Prototyping Technology
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A programmable breadboard - Breadboard ++

akash-asbroakash asbro

I just completed the design of the BRIDGEplate board which allows the use of any PC with a USB port to interact and control Pi-Plates.
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Skip the Raspberry Pi and Use Your USB Port

wallywareWallyWare

5x7 RGB LED display using 2020 surface mount rgb addressable leds with the Arduino ATtiny microcontroller, chain-able on I2C control.
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5x7 RGB led Display

harold-mooreHarold Moore

Real-time chord detection, scales, harmonic fields, and progression analysis — running on an Arduino Uno to ESP32.
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Gingoduino: Music Engine on a Microcontroller

saulo-verissimoSaulo Verissimo

A highly configurable, low-power current probe.
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Battery-powered current sense amplifier

miroslav-hancarMiroslav Hancar

Turn a $15 ESP32-S3 into a universal MIDI hub: USB Host, BLE, Apple MIDI, OSC, ESP-NOW, DIN-5, USB Device, Ethernet, and MIDI 2.0
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ESP32_Host_MIDI: The $15 Universal MIDI Hub

saulo-verissimoSaulo Verissimo

An open-source social and mobile robot powered by a local LLM on a Raspberry Pi. Working name for now is 'Eclipse'.
Project Owner Contributor

Eclipse: A Local LLM-Powered Mobile Social Robot

victor-lockwoodVictor Lockwood

MCP server for InvenTree parts management tool
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InvenTree MCP

syntaxerr66syntaxerr66

A retro-microcomputer in a micro-package. Learn from the ground up, just like the pioneers. Has monitor editor assembler BASIC FORTH LISP...
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1802 MemberChip Card

lee-hartLee Hart

Built the tricorder I actually wanted in the field: one that warns, not just measures.
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ATLAS

apollo-timbersApollo Timbers

Compute like its 1981 - hex on a 6digit 7segment LED bubble display! (One of the) RetroChallenge 2021/10 "Winners"
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A Retro-Authentic Microtronic - RC 2021/10 Winner

michael-wesselMichael Wessel

Automatic Test Fixture for testing CNC Controllers
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Automatic Test Fixture

henrik-sorensenHenrik Sorensen

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