An automaton type of robot that can create anything from simple up and down movements of a character all the way through to incredibly intricate, complicated scenes with multiple animated characters, and even such incredible feats as figures that can draw illustrations or write words with an ink pen!

One of the primary mechanisms found in nearly all automata is the cam follower. In this project we'll build such a mechanism and motorize the drive wheel with a Crickit and Circuit Playground Express coded in MakeCode.


1 x Circuit Playground Express
Round, Awesome Microcontroller Board
1 x Adafruit CRICKIT
for Circuit Playground Express
1 x TT Motor DC Gearbox
200 RPM 3 to 6VDC
1 x Orange and Clear TT Motor Wheel
for TT DC gearbox motor
1 x Male DC Power adapter
2.1mm plug to screw terminal block

Materials and Tools

  • Small and medium corrugated cardboard boxes
  • Wooden dowels or pencils
  • Rubber bands
  • Ruler
  • Hobby knife or scissors
  • Hot melt glue and glue gun, or white glue
  • Compass or circular object to trace, e.g. coffee can
  • Pipe cleaner or string

Here's the original livestream that spawned this project:

This guide was first published on Jun 04, 2018. It was last updated on Mar 08, 2024.

This page (Overview) was last updated on Mar 08, 2024.

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