Recent Projects

BK7258 is connected to 2x2.16" 480x480 AMOLED, one L1+L5 frequency band GPS module, and one SIM7670G 4G module. And 4 sensors.

Triple M33 low-power portable display

eleclab ElecLab

A hyper-local, human first, community bulletin board built for ESP32.

Community Hub

victor-frost Victor Frost

Handy desktop MIDI controller built solely with the Teensy 3.5 (hopefully 4.1 with some easy changes)

Phaedr MIDI Controller

kenneth-marut Kenneth Marut

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

Mechanical Television - only 1920s parts

paul-kocyla Paul Kocyla

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

Limn: Pen Plotter with Toolchanger

prashant-sinha Prashant Sinha

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

1802 MemberChip Card

lee-hart Lee Hart

It was always annoying to guess at the brightness of an indicator and calculate the LED resistor

Why I built an LED calculator

Adding functionality, hardware and software to the Smart Response XE classroom communicator

Smart Response XE Hacks

Learn how to make a simple device for monitoring the state of the ionosphere and the quality of shortwave signals using the CA3089 chip.

DIY Shortwave Propagation Monitor

mircemk mircemk

16 bit Computer made from ttl logic chips

ECM-16/TTL homebrew computer

This is an attempt to understand how these little things work, and what we can do on it.

Dissecting a hand-held NOAC console (Sup 400-in-1)

A project using a solar powered Raspberry pi to wake up at midday and take a photo, each day for a year

Solar powered 24hr timelapse photography

Projects which are using ESP32 microcontroller

How to use ESP32 in your Projects?

A power box (dual batteries, dual recievers)

dual SBUS receivers power box for RC planes

jp-gleyzes JP Gleyzes

Or should that be 'A new hope'?

Excalibur 64 - A new build

Two modules to display a byte in hexadecimal

Hexadecimal displays

jacques-pelletier Jacques Pelletier