5V isolate with MCU,and effectively protect MCU; 5V power indicator on board.<br> Voltage indication of motor driver output end; can solder heat sink.<br> Just need four lines from MCU to driver module (GND.5V.PWM1.PWM2); isolation chip 5 V power supply (can share with MCU 5 V).<br> to reverse the motor forward,two PWM input frequency up to 25kHZ; two heat flow passing through an error signal output.<br> Isolated chip 5V power supply (can be shared with the MCU 5V),can also use the on-board 5V supply; the supply voltage 5.5V to 27V.<br> Input voltage: 6V-27V<br> Maximum current: 43A<br> Input level: 3.3-5V<br> Control : PWM or level<br> Duty : 0-100%<br> Input port:<br> 1.RPWM: forward level or PWM signal input,active high<br> 2.LPWM: Reverse level or PWM signal input,active high<br> 3.R_EN: forward drive enable input,high-level enable,low level off<br> 4.L_EN: Reverse drive enable input,high-level enable,low level off<br> 5.R_IS: forward drive current alarm output<br> 6.L_IS: Reverse drive current alarm output<br> 7.VCC: +5 V power output,5V power supply connection with the microcontroller<br> 8.GND: signal common low end<br> Colour:Photo Color<br> Material: ABS<br> Size: 5 x 5 x 3cm<br> Package Contents:<br> 1 x Motor Driver Module<br> Only the above package content,other products are not included.<br> Note: Light 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.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin