Otto DIY+ Arduino Bluetooth robot easy to 3D print

Prints (0)


Who is Otto DIY+ (PLUS)?

Otto DIY+ is the improved and advanced version of original #OttoDIY, have the same base features DIY robot + Bluetooth control and programming + metal gears servo motors MG90S + changing modes by touch sensors + sound sensor + optionally rechargeable + your unlimited imagination

Otto DIY+ is a forever open for improvements!, developed by a broad international and diverse community of Otto builders,

buy our full kits!


List of parts:

  • Arduino Nano;
  • Arduino Nano Shield I/O Extension Board
  • Mini usb cable.
  • HC-SR04 Ultrasound sensor.
  • Mini servo MG90 9g x4 (each one should come with 2 pointed screws and one small screw also arm keys to attach legs and feet).
  • passive Buzzer 12mm 5V
  • Female to Female breadboard connectors cable 10cm x24.
  • 4 AA Battery case
  • 1.5V AA batteries x4.
  • Phillips screwdriver (important magnetized)
  • micro Switch 8x8mm
  • Touch sensors x3
  • Sound sensor
  • Bluetooth module HC-05 or HC06 or BLE
  • And then you only need to 3D print 6 parts in total:

  • 3D printed head.
  • 3D printed body.
  • 3D printed leg x2.
  • 3D printed foot x2
  • How to build your own Otto?

    Recommended to first check all documentation for Otto DIY if you are a beginner and then you can try to play with more advanced features with Otto DIY+

    use the Mini USB cable to power your circuit from your computer or a USB socket.

    Codes, Bluetooth & APP

    Codes for Bluetooth are ready! The APP is ready! get the .apk here: and you can make your own using our APPinventor template

    You can use version 3 or Arduinoblocks for simple an easy graphical programming.

    Otto builder group

    So for any issue or question please follow this group

    Design Files

    File Size

    OttoDIY _head_V9.stl
    365 KB
    OttoDIY _body_V9.stl
    444 KB
    OttoDIY _foot_V9.stl
    266 KB
    OttoDIY _Leg_V9.stl
    151 KB


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