https://youtu.be/Tfv6wo20pNc Full tutorial: https://learn.adafruit.com/crickit-lab-shaker/ Build a lab shaker to agitate parts with PVA supports! This DIY shaker uses an Adafruit Crickit, Circuit Playground Express and DC motor. The speed is adjustable with a potentiometer. MicroUSB port is accessible for programming. The unit is powered by a power supply for constant usage. With 3D printed parts, electronics and hardware, you can create a lab shaker agitator. Adafruit Crickit for CPX https://www.adafruit.com/product/3093 Circuit Playground Express https://www.adafruit.com/product/3333 TT DC Gearbox Motor https://www.adafruit.com/product/3777 Visit the Adafruit shop online - http://www.adafruit.com