Recent Projects

Project a focusable image at very long distance !

Pocket Single Image Laser Projector

Educational PCB for students/hobbyists to play around with analog filters and amplifiers.

Analog Filter Test Board

Modular platform where electronics snap together without wires.

Molde

My attempt at making a fun humanoid-like robot.

Almost humanoid robot

USB-C PD Selects the Voltage from 5V to 20V at the Press of a Button with CH224K + CH32V003 RISC-V

One button based 5-20V USB-C PD Voltage Selector

sagar-001 Sagar 001

Home_LAB

rhea-rae Rhea Rae

A Terrible MP3 player that has all of the bells and whistles from a 1990's budget Hi-Fi you never wanted when you was young

Crap-turon 5000 web based MP3 player

Proof that with enough Web Audio API and zero self-control, even a photograph of a boombox can have a functioning tape deck and woofers

Junk-Phonic 9000 Web based Boombox

Makes poultry care easier and more efficient.

Smart Coop 2.0

coders-cafe Coders Cafe

This ESP32-C3 Color Detector demonstrates how accurate and efficient color recognition can be achieved using a dedicated TCS34725 sensor

ESP32-C3 Color Detector with TCS34725

mircemk mircemk

The Starship Galileo (Gemini Class, SD 82 Full design AI vetted and co Authored by the Google Gemini AI including graphene mass production

The Gemini Protocols for Deep Space Travel

archer-quinn Archer Quinn

Make a cheap consumer inverter generate variable voltage & more easily start motors.

Programmable inverter

lion-mclionhead lion mclionhead

Replacing the battery pack of a McMurdo Personal Locator Beacon can be prohibitively expensive but you can do it yourself

McMurdo PLB DIY Battery replacment

Local first - agentic AI on hardware you control, with a tamper-evident record the operator holds. Desktop, custom OS and Mobile Deck

HOM3 — sovereign compute going Mobile soon

on3-paul-krause ON3 Paul Krause

Open-source Twin USB Host Switch x Triple Hub. 4-layer KiCad 9, STM32 C++ firmware & OLED telemetry. Housed in snap-fit MJF Nylon.

H₂H³ / Smart Twin USB Host Switch & Triple USB Hub

Cardboard servo-controlled Arduino robot that uses an ultrasonic sensor error to only activate in front of cloth

Tutorial: Cloth-detecting Shirt Folding Robot