Petoi Bittle Robotics Kit – A Palm-Sized Programmable Open Source Robot Dog for STEM and Fun


Realistic programmable robot dog construction kit with lots of fun plays: Bittle is the world’s first palm-sized, a servo-activated bionic, open source robotic dog with 1 hour of playtime. Have your very own programmable robot pet navigate with life-like movements and perform tricks with the remote control or the mobile app.

Petoi Bittle – A Palm-Sized Programmable Open Source Robot Dog for STEM Learning and Fun

  • Coding, STEAM, STEM, Robotics Learning: build and program your Bittle to perform new skills and tricks while harnessing all aspects of STEM learning. Begin with Scratch block-based coding and advance with Arduino IDE and, C++, Python. Develop your moto, physics, engineering skills & problem-solving abilities.
  • DIY your robot: an excellent and challenging hands-on learning opportunity to assemble your robot with 3D puzzle parts. Suitable for adults and children over the age of 12.
  • Program AI tasks: program Bittle to see, listen, sense the surrounding environment, and navigate the world with the optional intelligent camera module or other Arduino/Raspberry Pi compatible sensors.
  • Open Source robot: Bittle operates on OpenCat, an open-source quadruped robot platform published on Github that fuses multiple gadgets into one organic system, offering endless programming and customization possibilities.
  • The World’s First Palm-sized,  Servo-activated Robot Dog
  • * Dimensions:  200 x 110 x 110mm(7.9 x 4.3 x 4.3inch);  Weights:  290g(10.22oz)

Programmable Artificial Intelligence Robot

  • Built on NyBoard, a board fully compatible with Arduino Uno. In addition, standard Arduino modules can be attached.
  • Raspberry Pi support – can connect to a Raspberry Pi 3A+/Zero directly. It will power the Pi and communicate with the Pi through the serial port.
  • It is built on OpenCat,  an Open Source Project for Quadruped Robots. Adapt OpenCat for Your Purposes and run any Customized Version on Bittle.

Perfect for STEM and Robotics Education: Learn Coding, Customize, and Program Your Pet to Make It Come To Life With Amazing and Cute Tricks

* Use the optional intelligent camera module mounted on Bittle’s mouth to recognize and follow the object

  • Built for Robotics and AI Research
  • Affordable Quadruped Robots to Make Your Research & Prototype Dream Come True
  • * Climbing up a step under real-time instructions sent through Bluetooth

Software and Programming Support

  • Petoi  Mobile App:  iOS, Android
  • Arduino IDE: CodeCraft – Scratch-based drag & drop programming
  • Python API sending serial commands

  • Wireless Dongles – support wifi and Bluetooth connectivity
  • Battery – a Li-ion battery pack for about one hour of continuous walking

Board – NyBoard V1: Bittle is powered by NyBoard V1, a customized Arduino board with an Uno chip. It supports balancing and detecting body status (orientation and acceleration), infrared, serial communication, and Raspberry Pi


  • a controllable angle of 270 degrees
  • eight P1S servos to actuate Bittle’s walking joins; one is for head panning.

Puzzle-like Body Frame

  • Interlocking frame as a 3D puzzle with very few screws involved
  • It takes about one hour to put together the body from scratch.

Extensible with Arduino and Raspberry Pi Modules (Optional Add-ons) – The intelligent camera module

  • integrates multiple vision recognition algorithms to return recognized human body, objects, and symbols through serial/I2C/wifi.
  • Stream video through wifi.

What’s included

  • Bittle
  • Bittle battery
  • Bittle shell
  • NyBoard V1
  • Bluetooth  dongle
  • Wifi dongle
  • 10x P1S servos

Note: Bittle is for 13+ years old, not a toy for small kids. We recommend parental guidance to appreciate its rich content and avoid damage or injury.

Additional information

Weight 1.5 lbs
Dimensions 10.63 × 7.5 × 2.76 in

Product Datasheet and Manual

If applicable, the Product Documentation such as Datasheet, Brochure, Reference Materials, CAD Design, STEP Files, Manuals, and Tutorials will be available for download upon purchase. In addition, the order confirmation email will include a link to download the product file(s) from the My Account section as needed.


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Petoi is the maker of futuristic programmable robotic pets and the developer of OpenCat, the open-source quadruped robot platform. Its mission is to bring sophisticated, affordable, and cute robotic pets from fiction to reality.

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