We’ve gotten used to the GPIO-available ... bit under the radar: the Raspberry Pi 4 has six SPI controllers, six I2C controllers, and six UARTs – all on its 40-pin header.

The €35 ($36) Modulo 4, is designed for the Raspberry Pi Compute Module 4 but it uses a Raspberry Pi 5 layout so you can drop this board into any Raspberry Pi 5 case and get to work. Now ...

There’s currently a significant amount of confusion around the full extent of the GPIO hardware issue in the Raspberry Pi RP2350 microcontroller ... behavior on GPIO pins occurs also without ...