Features: Using original SCR, the input and output optocoupler are completely isolated, and the weak current can be safely used. Through the IO port of the single-chip microcomputer output PWM to adjust the duty cycle to change 220V ac voltage so as to achieve light regulation speed regulation power and so on Output power: controllable load within 220V3A or 660W; Output with a certain load in order to normal voltage regulation PWM direct input 0V low level,the output is 0V; PWM direct input 5V,the output is 220V; Connect this device with lamp or home appliance for dimming, speed, voltage, temperature control. Specification: Model:YYAC-3S MCU Voltage: 3.3v ~5V universal; Frequency:1Hz ~ 500 Hz Duty cycle: 0~100% Weight: Approx.10g/0.4oz Package list: 1 x PWM Controller
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