Based on the ESP32-WROOM-32 module, supports wireless communication such as WiFl, Bluetooth and ESP-NOW. Onboard motor control interfaces for 2x DC, motor with encoder or 4x DC motor (2 groups) without encoder. Onboard serial bus servos control interfaces for controling up to 253 ST3215 senal bus servos and obtaining servos feedback. Onboard 9-axis lMU to obtain attitude and heading information at any time. Supports 7-13V power input, and can be powered directly by 2S or 3S lithium battery module. Automatic download circuit for easy uploading programs. Support input voltagecurrent monitoring. Onboard TF card slot. Onboard Laser Lidar interface and integrated UART to USB function. 12C interface for connecting peripherals such as OLED, lMU, and other I2C devices. Adapting Multi-functional extended header for additional functions, such as controlling servos or relays. Onboard 40PlN GPlO header for connecting and powering the host computer (for Raspbery Pi/for Jetson Nano, etc),communicating via serial port or I2C. Color:Black Material:PC Package Contents: 1 * General Driver 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.