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Petoi Bittle Open Source Robot Dog Kit
DIY Pick

Petoi Bittle Open Source Robot Dog Kit

DIY assembly, programmable, STEM education, app + code control

$249 ⭐ 4.5 · 890 reviews
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DIY assembly Open source App + Python STEM focused

Our Take

Building it yourself teaches servo mechanics and kinematics that you can't learn from a pre-assembled kit. Best for teens and adults who want to understand how it works.

Pros

  • Building it yourself teaches servo mechanics and quadruped kinematics you can't learn from a pre-assembled kit
  • Fully open-source firmware on GitHub — every line of code is readable and modifiable
  • App + Python + Arduino control options cover all skill levels
  • Active community with regular firmware updates and new skill packs

Cons

  • Assembly takes 3–5 hours — not suitable for young children without adult help
  • Older NyBoard controller has less WiFi capability than the newer BiBoard (Bittle X)
  • Battery life ~1 hour under active use

Specifications

Length
20 cm
Weight
~250g
Controller
NyBoard (Arduino-compatible)
Servos
9× digital servos
Battery
7.4V 1000mAh Li-ion
Connectivity
Bluetooth (WiFi via add-on module)
Programming
Arduino C, Python, Scratch

Best For

  • Teens and adults learning quadruped locomotion from first principles
  • University robotics courses on legged locomotion
  • Open-source robotics research on a budget

Frequently Asked Questions

How is this different from Bittle X?

The original Bittle uses the NyBoard (Arduino-based) and requires assembly. Bittle X uses the newer BiBoard (ESP32) with built-in WiFi and voice commands, and comes pre-assembled.

What age is appropriate for assembly?

14+ independently, or 10+ with adult guidance. The assembly involves small screws and precise servo calibration.

Check Price on Amazon →

As an Amazon Associate, FocoMind earns from qualifying purchases.