Robovie-Z
Raspberry Pi-powered 20-servo bipedal humanoid from Vstone, sold and rented through the maker's own Robot Shop in Japan.
Overview
Robovie-Z is a desktop-size bipedal humanoid from Osaka-based Vstone, long-time maker of the Robovie hobby and research robot line. It stands 31.5 cm, weighs about 1 kg, and moves on 20 servos (6 per leg, 3 per arm, 2 in the torso) controlled by a Raspberry Pi 4 with an 8MP camera and ROS support. The official Vstone Robot Shop lists it at 297,000 yen (about $2,000) tax included, with a cheaper Robovie-Z Light variant, optional hand units, and monthly rental plans. It targets programming education, university coursework, and hobbyist robot competitions in Japan.
Use cases
Capability evidence
- Biped walking with linked legsThe Robovie-Z is a 20-joint biped whose gear-linked leg mechanism controls pitch/roll and leg extension for stable walking; a Raspberry Pi 4 with camera adds onboard vision. Vstone ↗ · 2025-07
- Autonomous robot competitionBuilt for research, hobby and competition use including ROBO-ONE auto events, running motions programmed via Vstone's Motion Works software and VS-RC026 controller. Vstone ↗ · 2025-07
Robovie-Z among its peers
Pick a specification. We’ll surface the closest comparable robots automatically.
Related robots
Unitree Shipping Unitree G1
A compact, mass-produced humanoid that brought bipedal robotics to a developer-friendly price.
- Height
- 1.32 m
- Payload
- ~2 kg per arm (3 kg EDU)
- DoF
- 23–43
Hanson Robotics Shipping Sophia
A well-known social humanoid built for lifelike expressions and public engagement.
- Height
- 1.67 m
- Payload
- 0.6 kg (per hand grip)
- DoF
- 83 (36 head/neck, 15 per arm+hand, 3 torso, 14 base)
Unitree Shipping Unitree R1
Ultra-light 1.23 m developer humanoid from $5,900 that runs, cartwheels and kickboxes, sold directly on Unitree's online store.
- Height
- 1.23 m
- Payload
- ~2 kg (arm)
- DoF
- 26 (AIR: 20)