Recent Projects

Hexaphonic guitar puckup built from 6 unmodified relays and amplifiers

RNS on FPGA: Revisiting an Unusual Number System for Modern Signal Processing

www.abstru.de

A credit-card-sized dual-channel USB-C power supply, that plugs directly into the power rails of a standard breadboard

No one expects the bifocal prism.

Compact ESP32-S3 based Cyber Tool featuring amplified CC1101 & nRF24 RF Modules, High-Power IR Transmitter and Receiver and Power Management

Goal of the project is to develop and build a homebrew 16 bit relay computer

The silent pocket Metronome with IEM connection (Or buzzer)

custom(izable) circuit for sending some megabytes over differential pairs.

XiAleste Next is an 8-bit home computer, which is compatible with software for the Amstrad CPC6128 released on 13 June 1985

Mistreating an LM3909 and a 7473 to test diodes - a recreation of a 40 year old device.

The 8-key macro pad with LCD isn’t just another macro pad— it's a visual, scriptable, dynamic control deck you build and own.

OverQuack — open-source Wireless RubberDucky for the Raspberry Pi Pico family: DuckyScript, mouse injection, remote payloads (Pico W/2W).

A PCB project that uses a ESP32 C3 Supermini and a custom designed PCB to make the Simon Says game

Thermal imaging with MLX90642 32x24 InfraRed (IR) array

A minimally invasive 512 KB paged memory expansion for the TRS-80 Model 1 and III