Recent Projects

Add a rotary encoder to an Amrel programmable power supply to improve the user interface.

Amrel Power Supply UX Mod

ogdento ogdento

An operating system written in Java

The ultimate guid to build a Novel JavaOS

Homemade subwoofer to fill out the bass with my B&W DM4 speakers

Subwoofer - TangBand W5-1138

john-lonergan John Lonergan

Utilizes an I2S mic and I2S amp using an ESP32 with the ESPNOW wireless protocol to communicate audio wirelessly at over 600+ meters.

ESP32 Walkie Talkie

aditya-verma Aditya Verma

A modular, repairable remote station for amateur radio — open hardware, built almost entirely AI-assisted.

OE5XRX — Open-Source Modular Remote Ham Station

peter-buchegger Peter Buchegger

Same park, same fee, same night: one pedestal scored 30/100, the next scored 91. Five months of data shows what your surge protector misses.

RV Pedestal Check

jeff-thomas Jeff Thomas

An open hardware bench tool that plugs into your CI: sensor sim, CAN, analog I/O, power control, and a Python SDK with pytest integration

BenchPod

edward-viaene Edward Viaene

IRremoteESP8266 said UNKNOWN — so I reverse-engineered it: raw timings → 8-byte protocol → ESP32 → Home Assistant. Code included.

Hacking Mitsubishi Heavy AC IR with ESP32

X/Y Plotter for high wattage UV LEDs to expose Cyanotype and other printing methods.

UV Paper Printer

A complete graphics pipeline written in RTL Verilog, built by a single developer using open source tools. Not a soft-core. Not an emulator.

Building a GPU from scratch in Verilog

yep this time it is pink and awesome.

WHATTTT? another Virtual Pet?

Is your ESP32 C3 Super Mini randomly dropping off WiFi or losing Bluetooth? You're not alone — and here are 3 methods that actually work

ESP32 C3 Super Mini WiFi Fix - 3 Methods That Work

A model rocket flight computer

GO

gary-benawi Gary Benawi

Light senses thickness of plastic and the LASER destroys it using different wavelenghts

Dynamic Pulse-Ablation Plastic Recycler (DPAPR)

utkarsh Utkarsh

With an accumulator to store one operand. Do binary addition (and subtraction) with the 8-bit Workbench™ and Binary (or Hex) Keyboard.

Byte Adder Subtractor: an 8-bit Full Adder

Rebuilding the original Game Boy DMG with modern hardware while preserving its look, feel, and AA battery spirit.

PicoDMG

dodger-one dodger one