Recent Projects

Diode/transistor switching circuits

Discrete Component Switching. flip flop etc.

alan-cyr Alan Cyr

Simple cue light system for the stage manager to signal crew and actors.

Theater Cue Lights

SRAM Emulator and SD Card Interface for Vintage Single Board Computers (such as the Heathkit ET-3400, Lab-Volt 6502, and Microprofessor)

PicoRAM Ultimate Rev. 2

michael-wessel Michael Wessel

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

ATLAS

apollo-timbers Apollo Timbers

An 8th grader designing and building a real 8-bit CPU from scratch using custom architecture and discrete logic.

TTL 8-Bit CPU better than Z80

bohan-xu Bohan Xu

An architecture for OSes, languages and application processors, that emphasises speed, safety, security and modularity.

POSEVEN

yann-guidon-ygdes Yann Guidon / YGDES

A lab power supply that fits in your pocket

Ampisu

Goal of the project is to develop and build a homebrew 16 bit relay computer

Homebrew 16 bit relay computer

Experimental high-wing kit aircraft project with composite fuselage, metal wings, and thermoplastic manufacturing concepts

Sinbad – high-wing composite kit aircraft

rusb-pd is a modification for the frg7700 receiver allowing you to power your radio with a usb-pd compatible charger

Radio USB-PD

This is my own spin on the E202 VLF receiver design

VLF receiver

A home plant watering device based on a simple 8-pin PIC microcontroller and 74HC chips.

Home Plant Watering System Based on the PIC10F202

robert-gawron Robert Gawron

Play your favorite songs using a custom mini electronic keyboard that lights up the notes!

Mini Piano Tutor

ritali-jain Ritali Jain

CS12

Building a Raspberry Pi-powered self-balancing robot.

CS12: Self-Balancing Robot

Professional air quality monitor with Sensirion sensors, 4.3" touch display, and local Home Assistant integration. No soldering required.

Project Aura — Open-Source ESP32 Air Quality