We can’t wait to see what you’ll do with them. Main image remixed from Raspberry Pi 4 GPIO pinout diagram by [Les Pounder].

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.

Consultancy has designed a simple board called the Pico Indicator to add LEDs to the GPIO and power pins of the Raspberry Pi ...