It supports most DC geared motors and motors with encoders for speed measurement on the market with 5-12V. Built-in power supply with reverse polarity protection. The motor drive circuit has protection such as short circuit, overcurrent, and overheating. The built-in 5V regulator circuit provides 3A high current. Built-in 3.3V voltage regulator circuit provides 500mA current. Motor drive circuit: AT8236. Power output: VM, 5V, 3.3V. VM power supply range: 5V-12.6V. 5V output current: 3A. Maximum current per channel: 6A. Hall signal Output voltage: 0-3.3V. Drive signal Input voltage: 0-7V. Motor drive circuit protection: overcurrent protection, short circuit protection, undervoltage lockout, overtemperature protection. Voltage detection: VM voltage detection. Expansion board protection function: input reverse polarity protection. Function: It can drive two motors with Hall encoders simultaneously, and at the same time supply 5V3A high current to the main board. Color: black. Material: PCB. Package contents: 1 x Module. 1 x Screw package. Only the above package content, others are not included. Note: Light reflection and different displays may cause the color of the item to be a little different from the real thing. The measurement allowed error is +/- 1-3 cm.