Onboard SG3525A PWM control chip.
Onboard 78m05 voltage chip, provide reliable reference voltage.
Onboard two precision adjustable resistance, R3 control duty ratio, R4 control the frequency.
Onboard Power LED.
Working voltage: 8-12V.
Board size: 30.8 (mm) x 18 (mm).
₹296.61 ₹211.86 price_including_GST