https://learn.adafruit.com/lego-servo-mounts/prop-maker-example
Prop-Maker Example | LEGO-Compatible Servo Mounts | Adafruit Learning System
Mechanize brick builds with Micro Servo Mounts for LEGO-Compatible Brick Systems! They fit Adafruit '9g' Micro Servos and Micro-Servo-sized DC motors into your...
prop makerlego compatibleservo mountsexampleadafruit