Keyestudio Micro bit 4WD Mecanum Robot Car V2.0 DIY Smart Kit (without Microcontroller)

This product is a smart car based on Micro:bit. It integrates a host of functions such as servo, ultrasonic following, line tracking, infrared control as well as Bluetooth control. There is a passive buzzer to play music, 4 WS2812RGB LEDs to display different colors, 2 seven-color lights to make direction lights for the car. This product uses two 18650 lithium batteries for power supply.

When installing and disassembling the battery, please pay attention to the positive and negative poles of the battery, and be sure not to reverse them. By the way, the motor speed of this product is adjustable.
In order to provide you with better experience, corresponding documents about installation and test code are also provided.