Stm32f407 Robot Control Board ROS Smart Car Main Control 4WD Radar Obstacle Avoidance for Nano B01 Smart car main control (2WD) detailed explanation.The B01 motherboard is designed based on intelligent vehicles and ROS scenarios, and can control chassis such as FOR , differential, and track. It provides corresponding codes and tutorials. The motherboard can communicate with the outside world through serial port, and provides a 5V5A interface for external power supply to boards such FOR or Nano. The code and schematic are all open source. B02 ROS bottom main control (4WD) motherboard detailed explanation.B02 is the main control of the ROS education robot. Based on the ROS application scenario design, it can control a of chassis, including FOR , differential, Mecanum wheel, crawler, and so on. All of them provide corresponding codes and tutorials. The motherboard can communicate with the outside world through the serial port or CAN, and provide a 5V5A interface for external power supply FOR to raspberry pie or Nano and other boards. The code and schematic are all open source. Supports direct connection to LiDAR.Lidar data can be directly read and used, and radar obstacle avoidance and tracking can be achieved without an ARM board Supports linear CCD line inspection and electromagnetic line inspection, Reserved line inspection interface, supporting two line inspection methods: linear CCD and electromagnetic line inspection, and providing a principle manual for line inspection sensors drive: 4WD Material: abs colour: As Shown Package Contents: 1 x Male cable 1 x Circuit board 1 x Display 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.