The schematic diagram of the DIY 3D printed animatronic eye is shown below, and as you can see it's very simple and easy to understand. Although the PCA9685 IC, a 16 Channel 12-Bit PWM Servo Motor ...

Created using 3D printer parts, a handful of stepper motors, and an Arduino Nano development board, the wire bending machine can be programmed to create a wide variety of different shapes and angles.

Servos powered by an external breadboard power supply Ultrasonic sensor powered by Arduino UNO The servos should not be powered by the Arduino directly due to insufficient current supply, which could ...