U8803 - PIR INFRARED REMOTE CONTROL CIRCUIT
U8803 Features
* High Noise Immunity
* Output drivable RELAY or TRIAC.
* contain two OP amps, gain adjustable.
* Control time adjustable.
* steady voltage inside output 3.1 V to drive the PIR directly.
* Integrate zero cross detect, the AC power supply triggers synchronously, lowering the power s
