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

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

Muon Oracle

allan-binder Allan Binder

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

The ESP8266 Programmer is a compact breakout board designed to simplify firmware uploading and serial communication for ESP8266 modules (suc

ESP8266 Programmer Board (USB-C Based)

electronicsworkshops

local dashboard to visualize environmental data in real-time on a Pi 5

Raspberry pi 5 Environment sensor: Waveshare Hat

I built a setup using a Geekworm UPS hat to act as a smart power supply. To actually see what the hardware was doing, I wrote a custom (Fal

Portable Raspberry Pi 5 UPS Setup Geekworm XSeries

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

My Apple //e PSU released its Magic Smoke, making it a fine time for a 21st century retrofit

A modern PSU for my Apple IIe

HarixOS is a real CLI-based Linux-style operating system for ESP8266 with shell commands, API layer, scripting, and filesystem support.

HarixOS: Linux-Style Operating System for ESP8266

Added a 30 lb thrust trolling motor for near silent, effortless gliding along at 3 mph for 18 miles with a $250 CAD LFP battery.

Electric Fold-Up Canoe

nodemcu12ecanada

Portable groove box that can be thrown in backpack, set up quickly and produce music on the fly.

Sample.Loop.Repeat

Light Festival Badges automatically sync their effects with ESP-NOW. No pairing, No controller, No WiFi

Self-synchronising LED badges using ESP-NOW

tony-goacher Tony Goacher

Ano 1986, written on my Amstrad CPC 464!

The World's First Tablature Program

michael-wessel Michael Wessel

A compact CM5 carrier board that plugs directly into HDMI

Raspberry Pi CM5 TV Stick Lite

Charge two electric vehicles at once

J1772 Hydra

nick-sayer Nick Sayer

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

Why I built an LED calculator