Otto DIY / Nano

Base board: Arduino Nano ATmega328


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Otto DIY Instructions manual

3D Printer Models (STL)
Otto Basic
Otto + Matrix

Sensor Connection
Servo-1 (Leg Left) Pin 2
Servo-2 (Leg Right) Pin 3
Servo-3 (Foot Left) Pin 4
Servo-4 (Foot Right) Pin 5
Buzzer Pin 13
HC-SR04 Trigger Pin 8
HC-SR04 Echo Pin 9
Sound sensor (optional) Pin A6
Bluetooth HC-06 (optional) RX=Pin 7 / TX=Pin 6
Buttons (optional) Pin A1 / Pin A2 / Pin A3
Led Matrix (optional) DIN=Pin 10 / CS=Pin 11 / CLK=Pin 12