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.

Since its debut back in 2012 there have been a variety of inventive displays used with the Raspberry Pi. Perhaps you remember ... in the form of a little SPI display with a different approach ...

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It's programmable in C and MicroPython and features I/O options like I2C, SPI, and PIO. Start by placing your Raspberry Pi Pico on your ... Next, place your OLED display and pulse oximeter module.