Serial Servo HATs and Raspberry Pi, Arduino expansion boards 3:15 pm October 2, 2023 By Julian Horsey While building robotics projects, the importance of controllers and motors cannot be overstated.

A Raspberry Pi Pico runs the show, using TMC2209 drivers to command a pair of NEMA17 stepper motors to drag a magnet around beneath the sand.

If you don’t need wireless features for pricing or compliance certification reasons, Raspberry Pi also offers the Pico 2 without that functionality for $5.

That includes the newest player to the microcontroller game — the Raspberry Pi Pico, which [pete_codes] used to whip up a nice looking OBS stream deck.

Priced at just $4, the Raspberry Pi Pico is built on RP2040 chip. “This is the first beta release of CircuitPython 6.2.0.