KS0523 Keyestudio 4WD Mechanical Robot Arm Smart Car for Arduino

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The Keyestudio KS0523 4WD Mechanical Robot Arm Smart Car takes the fun of a 4wd remote control car and adds a multi-axis robotic arm for hours of fun play and challenges. Once built, this robotic kit performs tasks such as line tracking, obstacle avoidance, ultrasonic follow, memory mode, complete mazes as well as freestyle play via mobile app.

This advanced robotic kit is suitable for beginners (with a little help) as well as intermediate and advanced coders and hobbyists. Have fun as you learn mechanical skills, assembly and instruction as well as problem solving and coding skills.


  • Multi-purpose Function: Anti-fall, obstacle avoidance, follow, IR remote control, line tracking, automatic convey and more.
  • Easy to Build: No soldering circuit required.
  • High quality car baseplate and metal mechanical arm
  • Expandable with other sensors and modules through motor driver shield.
  • Multiple Controls: PS2 joypad control, full automatic and App control (iOS and Android system)

Suitable for ages 8+

Batteries are NOT included 


  • Working voltage: 5v

  • Input voltage: 7-12V

  • Maximum output current: 3A

  • Maximum power dissipation: 25W (T=75℃)

  • Motor speed: 5V 63 rpm / min

  • Motor drive form: TB6612 drive

  • Ultrasonic sensing angle: <15 degrees

  • Ultrasonic detection distance: 2cm-400cm

  • Bluetooth remote control distance: 20-50 meters (measured)

  • Bluetooth APP control: support Android and iOS system

KS0523 Tutorial

KS0523 Code and Library

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