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.

A Python library for interfacing with DLN2 USB-to-SPI adapters with a spidev-compatible API. This package allows existing Python code written for py-spidev to work with DLN2 devices with minimal ...

Userspace Raspberry Pi library for controlling WS281X LEDs. This includes WS2812 and SK6812RGB RGB LEDs Preliminary support is now included for SK6812RGBW LEDs (yes, RGB + W) The LEDs can be ...

The Raspberry Pi is a powerful computer in a compact form factor, making it highly useful for all manner of projects. However, it lacks some of the IO capabilities you might find on a common ...

Raspberry Pi’s microcontroller, the RP2040, has some unusual features. And one of these is the i-o state machine, of which there are eight. spread over two ‘PIO blocks’ – (one shown right). According ...