An old CB transceiver is converted to the 50MHz amateur band using an Arduino Pro Mini, DDS, PLL and OLED display.

An Arduino UNO Flash and RAM update with the ATmega2560 as DIL 28 variant.

Teach ALL kids the fundamentals of AI and machine learning, through games and hardware and software design.

Get accurate readings for voltage using arduino.

Macrophotography of fern gametophytes using a DIY focus stacking system.

Electronic Swiss Army Knife based on Arduino, Qt and Python. Works on Windows and Linux.

Self-replicating, rapid prototyping open source 3D printer using an Arduino 101 that can be controlled via Internet.