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PIR Motion Sensor

6.5
This is a simple to use Motion Sensor. Power it up and wait 1-2 seconds, then if anything moves after that period, the 'alarm' pin will go low.

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4633 £6.50
(£7.80 incl VAT)
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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.

The older versions have a brown wire instead of the new white wire. In the old version: Red wire is power (5 to 12V). Brown wire is GND. Black wire is open collector Alarm.

The new version wires: Red wire is power, White wire is GND and the Black wire is open collector alarm.

This unit works from 5 to 12V (for best results use 6.7 to 12V as the PIR can be unstable below 6.7V). You can also install a jumper wire past the 5V regulator on board to make this unit work at 3.3V. Sensor uses 1.6mA@3.3V.

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.

Weve finally updated the connector! Gone is the old odd connector, now you will find a common 3-pin JST! This makes the PIR Sensor much more accessible for whatever your project may need.

Resources:

Ask Kitronik Using PIR Sensor..
Video Using A PIR Sensor & Keypad In An Alarm
A video about using a PIR Sensor and a keypad in an alarm taken from our Ask Kitronik Live event 2012.

Questions:

Posted by stephen wright, Thursday, 26 November 2015 on product PIR Motion Sensor

Question:

Do you sell a connector for the PIR Module female connector and if yes, what is its product code? Thank you

Answers:

Posted by Martin Cassidy, Thursday, 1 November 2012 on product PIR Motion Sensor

Question:

Hi I want to use your PIR Motion Sensor with the GENIE C08 PIC board, what is the best way to connect it to this board?

Answers:

  • Posted by Geoff Hampson on Thursday, 1 November 2012
    I?ve added another image, just under the main product image that shows how to do this. You need a pull up resistor and watch out as the colours of the wires are not quite as you would expect in that the black wire isn?t zero volts.

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