Feature:
Onboard SG3525A PWM control chip
On-board 78M05 regulator chip, providing a reliable reference voltage
Onboard two precision adjustable resistors, R3 controls the duty cycle, R4 control frequency
On-board power indicator
The working voltage: 8 ~ 12V
Board size: 30.8 (mm) x18 (mm)
Package included:
3 x SG3525 PWM Controller Module
