PaPIRsVZ

Panasonic's PIR sensor. It is used tot detects humans/animals.
This sensor include filters. So Easy to separate signal from noises.

wired(obniz, [signal [,vcc, gnd]])

It has three pins. Connect them to an obniz directly.

// Javascript Example
var sensor = obniz.wired("PaPIRsVZ", {gnd:0, signal:1, vcc:2});
sensor.onchange = function(val){
  console.log(val ? 'Moving Something!' : 'Nothing moving');
}

onchange = function(value)

It called when something changed.
It humans is closing to a sensor, this function will called with value true.
If a humans leaves or if a human stops moving, this function will called with value false.
It's fileter works. So called with false after soon called with true.

// Javascript Example
var sensor = obniz.wired("PaPIRsVZ", {gnd:0, signal:1, vcc:2});
sensor.onchange = function(val){
  console.log(val ? 'Moving Something!' : 'Nothing moving');
}


Found at :