Recent Projects

Big Beautiful Trump Card

BBTC

jacques-pelletier Jacques Pelletier

A USB-C PD Sink up to 140 W, 28 V, 5 A based on the Diodes Inc. AP33771C USB PD Controller

USB-C PD 3.1 EPR Power Delivery Sink - AP33771C

Building a modern interpretation of a polyphonic modular analog synthesizer at the transistor level, inspired by early 1970s-80s designs.

Polyphonic Analog Synthesiser

charlie-theobald Charlie Theobald

I needed to find a way to game on my consul and dirrect the same output to a PC for OBS. After a very long search I found a way.

Stream a controller to console and a PC

DIY pomodoro timer with vibration based on AVR ATtiny13

Hardware Pomodoro Timer

How I Lost 20 dB and Didn't Notice

The PCB Inductor Trap:

Universal Silicon Loader - Works on Apple DFU (A12-A18+), Qualcomm EDL, MediaTek BROM, Unisoc Preloader, and basically any USB/Serial boot

QSLCL v2.2.0

Freedom at your fingertip.

PolyKybd (Displays In Your Keycaps)

Arduino Uno and TF-Luna LiDAR based wireless distance monitoring system using Xebee S2C for real-time remote sensing.

Wireless Distance Monitoring with Arduino and XBee

himanshu-dada Himanshu Dada

This project demonstrates a simple yet highly effective SDR (Software Defined Radio) receiver based on a dual-conversion superheterodyne

Simple SDR Receiver Using 2x NE612

mircemk mircemk

Pulgram lets users create custom encoding/decoding schemas and build HTML5 mini apps around telegraphic-style messages.

Pulgram: An innovative social platform

A ball-balancing robot that sees through a mirror

MirrorBallBot

andrea-favero Andrea Favero

With my version each hand controls both pitch and volume. The up/down motion controls volume, and the right/left motion controls pitch.

The Stereo Theremin

mike-christle Mike Christle

This project is for the likely-very-small Venn Diagram of People Who Use UPB Home Automation and People Who Are Makers. Might only be me.

Wireless UPB: New life for old home automation

Polyphonic oscillator with spare patys and a $0.50 chip

Symple Synth

roni-bandini Roni Bandini

A broken TAC-2 joystick gets a wireless second life using ESP32.

Bluetooth Mod for the Commodore 64 TAC-2 Joystick