Tutorial :  https://fs.keyestudio.com/KS4031-4032

Description：

This product is a smart car based on Micro:bit. It boasts multiply functions including ultrasonic sound following, line tracking, infrared control and Bluetooth control. It comes with a passive buzzer which is able to play music, 4 WS2812RGB LEDs to display different colors, 2 colorful 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 the 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.

Parameters：

1.Connector port input: DC 6V—9V

2.Operating voltage of drive board system: 5V

3.Standard operating power consumption: about 2.2W

4.Maximum power: Maximum output power is 12W

5.Motor speed: 200RPM/1min

6.Working temperature range: 0-50℃

7.Size: 120*120*120mm

8.Environmental protection attributes: ROHS

Note: working voltage of micro:bit is 3.3V, driver shield integrates 3.3V/5V communication conversion circuit.