312 Generic / OEM SEN-13285 Generic / OEM NewCondition
Infra Red PIR Motion Sensor top view

Infrared PIR Motion Sensor

9.18

Product Code : 312

In Stock Now : 6
Available in 5-7 days : 532 units.
Incl. Tax: £9.18 Excl. Tax: £7.65
  • Buy 10 for £6.89 (£8.27 incl. tax) each and save 10%
  • Buy 100 for £6.12 (£7.34 incl. tax) each and save 20%
  • Infra Red PIR Motion Sensor top view
  • Infra Red PIR Motion Sensor with cable
  • Infra Red PIR Motion Sensor bottom view

This is a simple to use motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the 'alarm' pin will go low.

This unit works great from 5 to 12V (datasheet shows 12V). You can also install a jumper wire past the 5V regulator on board to make this unit work at 3.3V. Sensor uses [email protected]

The alarm pin is an open collector meaning you will need a pull up resistor on the alarm pin. The open drain setup allows multiple motion sensors to be connected on a single input pin. If any of the motion sensors go off, the input pin will be pulled low.

The connector is slightly odd but has a 0.1" pitch female connector making it compatible with jumper wires and 0.1" male headers.

Note: You will find a common 3-pin JST! This makes the PIR Sensor much more accessible for whatever your project may need. Red = Alarm, Brown = Ground, and Black = Power.

The wire colours may vary. Current stock (22/10/2015) is as seen above.

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