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CAT # PIR-6 (2 Reviews) Write a Review

$9.95 each
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Product Description
SEN-08630 RoHS Compliant. 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 (specsheet 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.

The connector is a 0.1" pitch female connector, making it compatible with jumper wires and 0.1" male headers.

Note: The colors of the wires can vary. Looking at the unit from the top, the middle wire is ground, the left-most wire is the alarm, and the right-most is the power.
Spec sheet available in PDF format.
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
(This item was manufactured prior to August 31st, 2018)

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Customer Reviews (2 Reviews)

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Satisfactory - with added pull up resistor

Reviewer: from BURLINGTON, WA USA

Bought two of these. Work acceptably using a 5V regulated supply. Added 100k pull up resistor between + and AL wire terminals on the board to provide output signal swing between +5V and ground. They seem to require several (3 to 5) seconds to stabilize after power up and tend to re-trigger a bit after detected motion has stopped, but overall work pretty well. Field of view is around 90-100 degrees.

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Work better with some external circuitry

Reviewer: from North Carolina

I was ready to discard these until i read the description and the one review. I hooked the black wire marked AL to a 555 timer wired as a retriggerable one - shot. Output from 555 high until no motion detected.

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