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Affordable AND useful digital logic design. Finally.
Project Owner Contributor

The Crystal Board

chrisChris

Created in 1972, the Model 832 was designed as part of a training program to teach both digital electronics and computer operations.
Project Owner Contributor

NRI Model 832 Digital Computer Reproduction

michael-gardiMichael Gardi

LoRaWAN IoT system with the Arduino MKR WAN 1300, that help my community to monitor the air quality and water of our ecological area
Project Owner Contributor

Environmental Toolkit for an Ecological Area

guillermo-perez-guillenGuillermo Perez Guillen

two Apps specifically designed for "foam cutter" 4 axis CNC.
Project Owner Contributor

Wing Hot Wire CNC foam cutter & Gcode streamer

jp-gleyzesJP Gleyzes

An electronic candle that switches off when you blow on it. No moving parts, no microcontroller; just old-style analog circuitry.
Project Owner Contributor

Blow Out an Electronic Candle - The Analog Way

andrea-consoleAndrea Console

Building a mechanical television with parts only from the 1920s. Focusing on simplicity.
Project Owner Contributor

Mechanical Television - only 1920s parts

paul-kocylaPaul Kocyla

Gamma spectrometer using scintillation crystal, Silicon Photomultiplier (SiPM), and all-digital FPGA signal processing
Project Owner Contributor

Silicon Photomultiplier Gamma Spectrometer

robert-gawronRobert Gawron

A retrosystem based on the elegant 8/16 bit 6809 processor capable of running UniFLEX and OS9 level II multiuser/multitasking OS
Project Owner Contributor

6809/6309 Eurocard CPU System

roelof4roelof4

Lilka: DIY ESP32-S3 Learning Console with NES Emulation & Lua Support
Project Owner Contributor

Lilka

bsverdlyukb.sverdlyuk

Great cells, not so great circuitry...
Project Owner Contributor

Elecaenta 25W: Solar Panel Upgrade

toster92t.oster92

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

A studio ghibli inspired simple add on - offering you candy
Project Owner Contributor

Soot Sprite Simple Add-On SAO

davedarkodavedarko

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

Auto PA for 3D printer

markmark

My watch runs off "disposable" lithium cells. I retrofit it to run like a grandfather clock: weights and gravity.
Project Owner Contributor

Gravity-Powered Digital Clock

ethanEthan

Air-gapped Double Ratchet protocol on a commercial Arduino kit.
Project Owner Contributor

Arduino End-to-End Encryption

aritz-erkiagaAritz Erkiaga

A sealed field radio with CRT terminal interface, physical controls and Spotify streaming. Built as a fully self-contained hardware device.
Project Owner Contributor

A-63 Field Radio

markus-httnerMarkus Hüttner

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