Hackster.io user Najib Kassab has published a tutorial walking you through how to setup a small project using a Raspberry Pi 4 and Hexabitz modules HF1R0x and H01R0x, H08R6x and H0BR4x. Helping you ...

While the Raspberry Pi has very good support for an I2C bus, a lot of very cool chips – including the in system programmer for just about every ATtiny and ATmega microcontroller – use an SPI bus.

Makers, developers and hobbyists that wish they had more serial ports on their Raspberry Pi mini computer might be interested in a new Raspberry Pi UART Hat that has been created by Salicon ...

There’s also a Python library (basically a set of commands you can use to control the robot) available to go alongside the HAT, which will let you write software to control the robot parts you’ve got ...