Hw416b Pir Sensor Datasheet Better

The HW-416B is not a PIR sensor chip. It’s a that integrates:

The HW416B has two orange trimmer potentiometers (variable resistors). Most datasheets label them simply as "Time" and "Sensitivity." That is not enough. Here is the better explanation. hw416b pir sensor datasheet better

delay(100); // Small debounce