Besides, SGM8521 provides 150kHz bandwidth at a low current consumption of 4.7 µA. Here is the basic circuit diagram of the UV Sensor Module, drawn & checked by me (thanks to my USB microscope and LCR ...

The sensor module will output HIGH on its REL pin when anyone moves ... This is the recommended hardware wiring diagram. Remember to power up the entire set up by a well-regulated 5VDC power supply ...