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Adafruit PIR Motion Sensor

4.0 out of 5 stars 100 ratings
$12.95
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Purchase options and add-ons

Brand Adafruit
Color white
Power Source Corded Electric
Item Weight 18.14 g
Maximum Range 7 Meters

About this item

  • Detect motion up to 7 meters away
  • Perfect for Raspberry Pi or Arduino Projects
  • Easy to use
  • Requires soldering of header pins
› See more product details

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Adafruit PIR Motion Sensor
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Price$12.95$29.90$18.89$16.99$8.49$8.69
Delivery
Get it Jul 7 - 11
Get it Jul 3 - 8
Get it as soon as Thursday, Jul 3
Get it as soon as Thursday, Jul 3
Get it as soon as Thursday, Jul 3
Get it as soon as Thursday, Jul 3
Customer Ratings
4.04.0 out of 5 stars100
3.43.4 out of 5 stars6
3.83.8 out of 5 stars96
4.14.1 out of 5 stars159
4.34.3 out of 5 stars336
4.24.2 out of 5 stars226
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power source
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Product Description

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Product information

Brand Adafruit
Color white
Power Source Corded Electric
Item Weight 18.14 g
Maximum Range 7 Meters
Mounting Type Wall Mount
Battery Description battery not included
Compatible Devices Raspberry Pi, Arduino
Recommended Uses For Product Garden, Driveway
Manufacturer Adafruit
UPC 720189973024 711978444399
Package Dimensions 2.5 x 2.2 x 1.6 inches
Item Weight 0.64 ounces
ASIN B00JOZTAC6
Item model number LK-918O-SANV-FBACA
Customer Reviews
4.0 out of 5 stars 100 ratings

4.0 out of 5 stars
Is Discontinued By Manufacturer No
Date First Available April 15, 2014

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer reviews

4 out of 5 stars
100 global ratings

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Customers say

Customers find the motion sensor works well with the Pi 3B+ and appreciate its ease of use, with one mentioning it's easy to plug in and make work. The device receives positive feedback for its sensitivity, with one customer noting its excellent responsiveness. However, the sensor's reliability receives mixed reviews, with one customer describing it as unstable at times.

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FunctionalityEase of useSensitivityReliability
20 customers mention "Functionality"16 positive4 negative

Customers find that the motion sensor works great, particularly with the Pi 3B+.

"I bought this to make a motion activated magic mirror. It worked with my Pi 3B+ and was easy to plug it in and make it work...." Read more

"...I am using it to trigger a pi camera when motion is detected and it works great." Read more

"...they do work pretty well though, and i would order them again...." Read more

"Does not work well at all. Maybe I was just unlucky and received one that is defective...." Read more

3 customers mention "Ease of use"3 positive0 negative

Customers find the motion sensor easy to use, with one mentioning it's straightforward to plug in and make work, while another appreciates the included testing and usage tutorial.

"...It worked with my Pi 3B+ and was easy to plug it in and make it work. I used a breadboard to connect it to the Pi with M->F jumpers." Read more

"Great little sensor. Adafruit website has a nice tutorial on testing and using." Read more

"...On the other hand it is a straight forward application with ample documentation. It arrived on time and was packaged properly." Read more

3 customers mention "Sensitivity"3 positive0 negative

Customers appreciate the motion sensor's sensitivity, with one customer noting its excellent responsiveness.

"...What I liked most is that the sensitivity and amount of time can be adjusted on it." Read more

"Excellent responsiveness and comes with the cable." Read more

"Yeah...it senses motion...." Read more

3 customers mention "Reliability"0 positive3 negative

Customers find the motion sensor unreliable.

"...For some reason when I connect it to a pi zero it is less reliable. Not sure why...." Read more

"...Overall, a good thing to play with but perhaps not as sturdy/usable as something more robust or expensive." Read more

"Works on a Raspberry Pi3 but seems to be a bit unstable at times." Read more

Top reviews from the United States

  • Harp
    5.0 out of 5 stars Does what it says
    Reviewed in the United States on June 20, 2020
    Verified Purchase
    I bought this to make a motion activated magic mirror. It worked with my Pi 3B+ and was easy to plug it in and make it work. I used a breadboard to connect it to the Pi with M->F jumpers.
    5 people found this helpful
    Helpful
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  • L. Ellingson
    4.0 out of 5 stars Works great
    Reviewed in the United States on October 25, 2015
    Verified Purchase
    Once I got it connected properly and the code right it works as advertised. I am using it to trigger a pi camera when motion is detected and it works great.
    6 people found this helpful
    Helpful
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  • D. Sroelov
    5.0 out of 5 stars pretty good motion sensor
    Reviewed in the United States on March 20, 2021
    Verified Purchase
    i gave this 5-stars, but they are not what i would consider pro-grade. they do work pretty well though, and i would order them again. you do have to consider that they also don't cost anywhere near what pro-grade motion sensors cost.
    Helpful
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  • Amazons Customers
    3.0 out of 5 stars Works ok
    Reviewed in the United States on August 13, 2019
    Verified Purchase
    This is bigger than I was expecting. I figured it would be about the same size as my SmartThings motion sensors, but it's much bigger. Seems to work pretty well with my Pi3. For some reason when I connect it to a pi zero it is less reliable. Not sure why. I usually use my Pi3 to set things up since its a lot quicker and remote desktop is snappier and when I'm done, I throw the microSD into a pizero and transfer any hardware over. Works great for everything except this motion sensor. Frequently goes off when nothing is happening despite being set to the lowest sensitivity possible. If I set it to high sensitivity, it constantly sees motion. 3 stars since it seems to work Ok depending on what device it is connected to. I've had the same experience with two of these as well as two different pi zeros. Ended up not using them since they weren't very reliable with the pi zero.
    2 people found this helpful
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  • Amazon Customer
    1.0 out of 5 stars DOA
    Reviewed in the United States on October 30, 2022
    Verified Purchase
    hooked it up through a breadboard with an LED. Completely dead no detection. Just order a cheap bulk pack so that way your project isn't stuck waiting on a new one to show up if one is DOA
    One person found this helpful
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  • Jenifer
    5.0 out of 5 stars The sensor works great. I used it to play a sound every ...
    Reviewed in the United States on August 18, 2016
    Verified Purchase
    The sensor works great. I used it to play a sound every time someone walked by. What I liked most is that the sensitivity and amount of time can be adjusted on it.
    2 people found this helpful
    Helpful
     Report
  • Tf2
    5.0 out of 5 stars Great sensor
    Reviewed in the United States on December 9, 2020
    Verified Purchase
    Great little sensor. Adafruit website has a nice tutorial on testing and using.
    Helpful
     Report
  • PJ4Ever
    4.0 out of 5 stars Big Sensor
    Reviewed in the United States on October 10, 2023
    Verified Purchase
    Replaced a broken IR sensor for a Spirit Halloween animatronic. It’s much bigger than I wanted it but it worked.
    Helpful
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Top reviews from other countries

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  • Marc Bourgeois
    2.0 out of 5 stars Ne fonctionne pas
    Reviewed in France on November 29, 2022
    Verified Purchase
    défectueux comme bcp de produit similaires
    Report
  • Benoit
    5.0 out of 5 stars Very good product for the right applications.
    Reviewed in Canada on March 15, 2017
    Verified Purchase
    I don't know what other people are talking about, my sensor worked right away as it was supposed to. Great product, very easy to integrate into any amateur electronics projects that require motion detection.

    Note however, that the sensitivity is still very good. At minimum sensitivity, I was able to detect motion within a 4 metre radius. Also, the sensor pulses for a minimum 5 seconds (at least mine does), which makes it very slow for certain applications. Nonetheless, great product if it suits your application.
    Report
  • Sylvain Joannette
    5.0 out of 5 stars Fast shipping!
    Reviewed in Canada on March 16, 2016
    Verified Purchase
    Perfect and received on time!
    Report
  • Colin
    4.0 out of 5 stars Great sensor for lots of pi projects
    Reviewed in Canada on November 11, 2016
    Verified Purchase
    Would have liked connectors at both ends for connecting the sensor to the pi.
    One person found this helpful
     Report