Otto DIY Nutcracker robot

Part List 1 x Arduino NANO board 1 x Arduino NANO Shield I/O 1 x USB-A to Mini-USB Cable 1 x HC-SR04 Ultrasound sensor 4 x Micro servo SG90 9g 1 x Buzzer 6 x Female/Female Dupont Wires 1 x battery holder (stacked 2x2 a total of 4AA Battery) 4 x AA Batteries Alkaline (must be new or have 1.5V each) 1 x Micro Switch Self lock On/Off 8x8mm 6x Otto DIY 3D printed parts 1 x Small Phillips screwdriver You will need to download and 3D print all the Starter biped parts but the feet in the same color as the picture from here: Otto DIY | Download free STL model | Printables.com We invested lots of time and resources to provide open source code, software and hardware, please support this project by just giving us a ❤ Like and share and you are welcome to be a part of this friendly community of robot builders, teachers and makers. Join today our Otto Builder community