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Petoi Bittle
Open-source programmable robot dog for makers and educators
59.7*
out of 100
Average
89
Released 2021
Partial score — based on publicly available specifications. Hands-on subcategories pending physical testing.
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Overview
Petoi's Bittle is the most popular open-source robot dog in the world. At 89, it offers an agile 8-servo quadruped platform that you can program in Arduino, Python or via community ROS packages. Available fully assembled or as a DIY kit, Bittle is the ideal starting point for students, makers and researchers who want to understand how quadruped locomotion works. Its thriving open-source community has produced dozens of gait algorithms, obstacle courses and AI vision integrations.
Score Breakdown
Behaviour Realism
Pending
Movement Quality
Pending hands-on
Expressiveness
Pending hands-on
Personality Depth
Pending hands-on
Category weight: 29%
Responsiveness & AI
Pending
Touch Response
Pending hands-on
Voice Recognition
Pending hands-on
AI Learning & Adapt
Pending hands-on
Category weight: 25%
Ease of Use
Pending
Setup & Pairing
Pending hands-on
App & Control
Pending hands-on
Category weight: 15%
Build Quality
60%
Build & Durability
Pending hands-on
Battery Life
~1.5 hours
6/10
Category weight: 14%
Value for Money
80%
Price / Performance
89 best maker value
8/10
Market Availability
Amazon US / RobotShop
8/10
Category weight: 12%
Ecosystem & Platform
10%
App Marketplace
No app store (open SDK)
1/10
Ecosystem Maturity
Very active GitHub community
1/10
Category weight: 5%
Available skills
We haven't catalogued specific skills for the Petoi Bittle yet.
We track public GitHub repos and official sources that explicitly target this robot;
as the ecosystem grows, new motions, behaviours and SDKs will appear here automatically.
Technical Specifications
Form factor
Quadruped dog (8 servo motors)
Controller
NyBoard (Arduino Nano compatible)
Battery
7.4V 1,000mAh LiPo, ~1.5 hours
Weight
~280 g (assembled)
Length
~20 cm
Connectivity
Bluetooth (standard), Wi-Fi module optional
Programming
Arduino, Python, Scratch
ROS support
ROS1/ROS2 (community packages)
Pros & Cons
Strengths
- Fully open-source hardware and software — modify everything
- Arduino and Python programmable out of the box
- Community ROS1/ROS2 packages for robotics research
- Affordable at 89 — cheapest capable quadruped on the market
- Available fully assembled or as a DIY kit for learners
Weaknesses
- Kit version requires assembly time (20–40 min)
- No built-in screen, microphone or AI features
- ~1.5 hour battery before LiPo recharge needed
- Limited expressiveness compared to consumer-grade robot pets
Specs-based analysis — score derived from manufacturer data. How we score
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