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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.