A mod for TI-84 calculators to turn them into cheating devices.

Firmware project for the Apple II A2DVI digital video card

Hardware & Software documentation for the CircuitSetup Expandable 6 Channel ESP32 Energy Meter. Works with ESPHome and Home Assistant.

Adventures with rotary phones and asterisk

USB Type-C Libraries for Go

Portable Digital FM Radio Receiver with RDS

Transform your Raspberry Pi Pico W into a USB to Bluetooth Audio Adapter.

A flex PCB to retrofit a USB-C connector with 5.1k pull-down resistors to enable C-to-C power

Electric skateboard oriented battery management system.

The VESC motor control firmware

Small FM Radio with RDS and OLED

Arduino IR Translator. Converts incoming IR codes from one manufacturer to another set of IR codes from a different manufacturer,

One Data Model

Arduino library for HDMI CEC communication

Arduino project for communicating with HDMI CEC equipment

Boosted Rev battery replacement 3D parts and custom balancing wires PCB

An ESP32 and 2.9", 4.2" or 7.5" ePaper Display reads Weather Underground data via their API and then displays the weather

Atari 8 bit computers, NES and SMS game consoles on your TV with nothing more than a ESP32 and a sense of nostalgia