MOS FET Driver Module High Power PWM Switch Control Board 3-20V to 3.7-27VDC 10A 1: Product model: YYNMOS-1, using ultra-small optocoupler, with strong anti-interference ability, stable performance, complete isolation of input signal and output. 2: Input signal: 3~20V PWM signal 3: Output capacity: DC 3.7V~27V, current ≤ 10A 4: PWM frequency: 0~1kHz 5: Indicator light: With input output signal indicator 6: Application: The output can control high-power equipment, bulb, LED strip, DC motor, micro pump, solenoid valve, etc. It can input PWM signal to control motor speed, lamp brightness and so on.   Wiring terminal description: 1. DC+: DC power supply positive 2. DC-: DC power supply negative 3. PWM: Signal input terminal (connected to the single-chip IO port, PLC interface, DC power supply, etc.) 4. GND: Signal negative terminal 5. OUT+: Output positive terminal (connected to the device positive) 6. OUT-: Output negative terminal (connected to the device negative)