Petoi Bittle V2 STEM Kit (Un-assembled)

Petoi SKU: RB-Toi-09
Manufacturer #: PTBLK5

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Sale price ¥46,234

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  • Petoi Bittle (V2) STEM Kit (Un-assembled)
  • Offers a tiny, but powerful robot dog
  • World's first palm-sized, servo-activated quadruped robot dog
  • Easy to develop AI applications for a bionic robot dog
  • Integrate with open-source hardware module ecosystem
  • Open-source & programmable
  • Support iOS/Android, Mac/Windows/Linux, and other operating systems
  • Ages: 12+

The Petoi Bittle (V2) STEM Kit (Un-assembled) is the world's first palm-sized, servo-activated quadruped robot dog. Petoi Bittle is a tiny, but powerful robot dog that can play tricks like real animals. Bittle is an open platform to fuse multiple makers' gadgets into one organic system.

With the customized Arduino board coordinating all instinctive and sophisticated movements, users can clip on various sensors to bring in perception. It is also possible to make Bittle into a full-fledged AI robot by mounting a Raspberry Pi or other AI chips through wired/wireless connections. This makes Bittle a perfect tool for learning, teaching, and research!

Robotics/STEM/Coding Education: Learn with a quadruped curriculum and code four-legged robot pets to explore the world.

Robotics + AI Application & Research Platform: Totally affordable, extensible, and customizable quadruped robots.

  • DIY: Build Your Own Robot
  • Coding: C++, Scratch, Python
  • Maneuverability: Explore Real World
  • Open Source: Extensible and Customizable
  • Hands-on Experiences: Learn STEM and Robotics
  • Platform: Artificial Intelligence Applications
  • 1x Plastic Body Parts to build Petoi Bittle V2 Robot Dog
  • 10x Servo Motor
  • 1x Rechargeable Battery
  • 1x NyBoard V1
  • 1x Bluetooth and WiFi Dongles


  • 200 x 110 x 110 mm / 7.9 x 4.3 x 4.3 inch

  • Colors: Black + Yellow + Blue
  • Number of joints: 9
  • Frame material: Injection-molded Plastic
  • Appearance: Dog
  • Assembly time by Petoi: 40 mins
  • App: 3rd party Android / iOS app
  • Software supported: Petoi Coding Blocks | Arduino IDE | a Python API sending serial commands
  • Weight: 265 g


  • Controller board: NyBoard V1
  • CPU: ATMega328P
  • External EEPROM: 64 Kbit
  • IMU: 6-Axis MPU6050
  • PWM channels: 16
  • Grove: 4
  • RGB LED (NeoPixel): 7
  • Built-in connectivity & features: Serial UART, I2C network, infrared receiver, buzzer
  • Bluetooth/WiFi connectivity: Official Bluetooth and WiFi dongles
  • Raspberry Pi support: Yes


  • Servo: Metal servo P1S for Robotics Kit; Plastic servo P1L for STEM Kit
  • Quantities in pack: 10
  • Max voltage: 8.4 V
  • Wall Material: Plastic
  • Gear: Alloy gear for Robotics Kit; Plastic gear for STEM Kit
  • Motor: Coreless


  • Battery Type: Li-ion battery pack
  • Battery included: Yes
  • Capacity: 7.4 V 1000 mAh
  • Current typ./max.: 2 A / 5 A
  • Battery life: 1 hour
  • Charger: USB 5 V 1A
  • Charge time: 2h
  • Charger included: No
  • Charging cable: Micro-USB to USB cable included

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