Onboard for interface, suitable for series motherboards Onboard battery protection circuit, anti-overcharge, anti-over-discharge, anti-overcurrent, anti-short circuit and anti-reverse connection, stable and operation Onboard charging and discharging circuit, supports simultaneous charging and discharging, convenient programming and debugging while charging Onboard 5-channel analog output infrared sensor, combined with PID control algorithm, more stable line tracking Onboard tracking, obstacle avoidance and other smart car sensors, no need for cumbersome and messy wiring Equipped with 1.14-inch IPS color LCD module, 240x135 resolution, 65K color Onboard Bluetooth module, you can use the mobile phone APP to control the movement of the car, the color display of the colored lights and the pronunciation of the buzzer through Bluetooth Onboard N20 mini reduction motor, metal gear, low noise and high precision Onboard cool colored lights Color: As Shown Material: plastic Package Contents: 1 x RP2350-Plus Development Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.