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PIR Motion Sensor

7.25
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 £7.25
(£8.70 incl VAT)
OR

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 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. Red = Power, White = Ground, and Black = Alarm.

Resources:

SparkFun Stock Code:

  • SEN-13285.

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Questions:

Posted by Zal, Tuesday, 5 December 2017 on product PIR Motion Sensor
  • 0
    vote
    A:

    Hi Zal, I have contacted the supplier of the product and they unfortunately don’t have any information regarding your query. As such they have provide a copy of the datasheet, https://www.sparkfun.com/datasheets/Sensors/Proximity/SE-10.pdf, and advised that the only way to find out the max conditions is through testing. I’m sorry we couldn’t provide any further assistance with this.

    Posted by Michael Lockhart on Monday, 15 May 2017
Posted by stephen wright, Thursday, 26 November 2015 on product PIR Motion Sensor
Posted by Martin Cassidy, Thursday, 1 November 2012 on product PIR Motion Sensor
  • 0
    vote
    A: 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.
    Posted by Geoff Hampson on Thursday, 1 November 2012
Posted by avishka, on product PIR Motion Sensor
  • 0
    vote
    A:

    Hi Avishka, The PIR sensor can run on a voltage between 5V-12V, for best results use a voltage above 6.7V. As such you wouldn’t need a voltage regulator unless you were using a voltage supply higher than 12V.

    Posted by Michael Lockhart on Tuesday, 28 March 2017
Posted by Mark, on product PIR Motion Sensor
  • 0
    vote
    A: Hi Mark, The PIR sensor can run to 3.3V so just over what the micro:bit can handle. As such your better running this from a separate supply, or running this from a supply and then regulating this to 3V for the micro:bit, either would work. You would then connect the alarm pin onto the micro:bit, as this will go from high to low when trigger and you would then code the micro:bit to detect this. You may need to use a pull-up resistor, 10K would be fine, however the micro:bit should have this built in.
    Posted by Michael Lockhart on Wednesday, 29 November 2017

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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.
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