Recent Projects

A 3-in-1 desktop because I can't build a 2-in-1 laptop.

Teti [gd0022]

kelvina kelvinA

A compact digitally controlled RF 1.8 to 28 MHz platform for HF amateur. DSP mod/demod and integrated FT8 QSO management.

ESP32 HF QRP FT8 Transceiver

guido-iw5alz Guido - IW5ALZ

Featuring inbuilt monitor mount and dual backrests

Hexagon Bed for a 220 cm Mattress

kelvina kelvinA

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

Soap bubbles drift through the air, traced live by a galvo laser, and sing as voices through a generative modular synth.

BubbleSynth: Bubbles, Lasers, and a Modular Synth

novysan novysan

Arduboy-compatible mini desktop arcade featuring ATmega32U4, SSD1306 OLED, SPI flash expansion, and sleek 3D printed case.

A Pocket-Sized Mini Retro Arcade Machine

liuhang LiuHang

A visual diagrammer that turns a node graph into a complete ESP32 Arduino web-server sketch. No toolchain.

ESP-GenUI

geoffrey-wells Geoffrey Wells

Draw graphics through a serial port

Graphics terminal for small computers

A quick go at talking to a few devices

Raspberry Pi I2C Interfacing

An MPC style MIDI controller featuring a 4x4 FSR matrix and based on Teensy 3.0, fully compatible with the Teensy Audio Adaptor Board

DIY USB MIDI controller MPC style

michele-perla Michele Perla

How I'm building an RC plane without an RC plane budget.

ESP32 RC Transmitter/Receiver

josh-hyatt Josh Hyatt

Combining a Raspberry Pi Zero 2 WH computer with an Adafruit MCP9808 temperature sensor.

EnviroPi Temp Monitor

bret-bernhoft Bret Bernhoft

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

UV Paper Printer

Using base-emitter junction on NPN BJT transistor instead of NTC

Transistor instead of thermosensor? Sure!

aleksei-tertychnyi Aleksei Tertychnyi

My first attempt at writing an X-Windows graphics program

X-Windows graphics

BASIC Wires the House: BLE Sensors, MQTT, and a $7 Web Server — No SDK, No Cloud

Home Monitor using BASIC on ARM CPUs

Bruce Eisenhard