The DNFC tag is reprogrammable with a microcontroller with an I2C interface thanks to TI’s RF430CL330H ... but you can program it through an Arduino, Pi, or any other board with an I2C ...

Timonel is designed for systems where there is a more powerful microcontroller or microprocessor running the show (such as an ESP8266, Arduino, or even a board like a Raspberry Pi.) ...

IO Extension – The FPGA board presented here features 49 GPIOs, all usable for IO extension with an easy to use library, on Arduino, Raspberry and on your PC. IO Linking – This is what gives ...

Adafruit has made an I2C interface for four rotary encoders. It comes in the form of a PCB with four footprints that accept one of the most common rotary encoder forms (Bournes PEC11 horizontal style) ...