Keyestudio 4WD Mecanum Robot for Raspberry PICO Arduino IDE C Smart DIY Project for Adults STEM Programming Set with 12 Projects

This product integrates a host of functions such as seven-color lights, WS2812RGB LEDs, servo, ultrasonic, line tracking, IR control as well as Bluetooth control. Among them, the seven-color lights, RGB2812 LEDs, motor drivers, 3-channel line tracking sensor, IR receivers (in order to receive accurately, we will place one at the head and one at the tail) are all integrated into the base plate, making it more accessible for us to install. What’s more, the 4 WS2812RGB LEDs enable to display different colors, and the 2 seven-color lights empower to make direction lights for the car. By the way, the motor speed of this product is adjustable. 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.