Features: This motor control board integrates PCA9685 PWMs outputs and TB6612 driver to precisely manage up to two stepper motors or four motors, offering high current handling (1.2A per channel 3A) and stackable design for robotics and automation projects. Featuring four full H bridges with thermal turn off protections, internal recoils diodes, and 12bit speed resolution, it supports motors from 4.5V to 13.5V, includes large terminals blocks for easy wiring, and is fully stackable for up to 32 units. for robotics enthusiasts, hobbyists, and engineers creating based systems, it caters to users needing motor control for customs electronics and prototyping. for applications in robotics, 3D printers, smart toy, and home automation devices, this board ensures responsive and accurate motor driving in scenarios demanding fine tuned speed and direction adjustments. With its 50x25x8mm size, clear GPIO pin labeling, and PCB construction featuring built in heat dissipation, it easy setup and stable performances for demanding motor control tasks. Specifications: Materials: PCB Color: Red Size: 50x25mm Motor power supply: DC4.5-13.5V Logics power supply: DC3.3V Each channel provides 1.2A output current Communication interfaces: I2C interfaces Package Includes: 1Set Driver Control Board note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.