Here you can find some of my hardware projects.

AgIR
Replacement board for U1173A, Agilent’s USB to IR cable.
Cananka
A CAN bus enabled Raspberry Pi HAT.
Elsidi
5V UART Hitachi HD44780 LCD driver.
ESP8266 Plug
USB-to-serial bridge intended to ease debugging of ESP8266 WiFi serial transceiver.
RetroHat
A Raspberry Pi HAT allowing for retro-arcade button interfacing.
TmpUsb
Self-erasable USB drive.
UsbAmps
USB current, voltage and power measurement.
UsbUart
USB to 5V TTL converter.
UsbVia
Board that exposes USB contacts to allow for easier measurements.
Vout
Voltage and current measurement board.