The graphical programming core board is specially designed for smart cars, robotic arms, robot competitions and maker developers. Adapt to HXFB graphical programming software, with an intuitive and convenient graphical operation interface, greatly reducing the programming threshold.24 pins that can be flexibly configured as input/output mode (P00-P07, P10, P13-P17, P20-P27, P30, P53).Onboard 2 programmable LEDs, support infrared remote control, support NRF24L01 wireless remote control, all pins support PWM control, and the duty cycle is adjustable.1. A total of 24 pins: P00-P07, P10, P13-P17, P20-P27, P30, P532. Pins can be configured in input/output mode3. Support 4WD car control (need to be used with motor driver board, not included)4. Support 2-way infrared obstacle avoidance module, support 2-way infrared tracking module5. Support 1-way ultrasonic module to achieve obstacle avoidance function6. Support Bluetooth module, baud rate 9600bps7. All pins support LED control, brightness is adjustable, LED is lit at low level8. Support PS2 handle remote control9. All pins support PWM control, duty cycle is adjustable10. On board 2 LEDs , support user programming11. Support infrared remote control12. Support NRF24L01 wireless remote control13. Up to 9 servos can be controlled14. Support eight-degree-of-freedom quadruped robot dogPower supply: DC7-12VProgramming software: HXFB graphical programming softwareDifferent batches may result in variations in printing and silk-screen printing, but this does not affect usageColor: BlackMaterial: PCBPackage Contents:1 x Graphical programming core board1 x data cable1 x pinOnly 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.