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2pcs HC-SR501 Infrared PIR Motion Sensor for Arduino, ESP32, ESP8266, Raspberry Pi

Tech Under 30

October 17, 2025

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Price: $6.99
(as of Oct 17, 2025 19:34:36 UTC – Details)

This package includes 2 pieces of HC-SR501 Infrared PIR Motion Sensor that work with Arduino, ESP32, ESP8266, Raspberry Pi, or any 5V or 3.3V microcontroller. This sensor can be used to detect the human or animal presence.

SPECIFICATION
– Adjustable Detection Range: 3m to 7m
– Operating voltage range: DC 4.5-20V
– Quiescent Current: <50uA
– Level output: HIGH 3.3V / LOW 0V
– Angle Sensor: <100° cone angle
– Operation Temp: -15°C ~ +70°C
– Lens size sensor Diameter: 23mm
– Board Dimensions: 32mm*24mm

TUTORIALS:
– Arduino and ESP32 online tutorials: DIYables Motion Sensor
Is Discontinued By Manufacturer ‏ : ‎ No
Package Dimensions ‏ : ‎ 3.19 x 2.44 x 1.26 inches; 0.63 ounces
Item model number ‏ : ‎ DIY-MOTION-SENSOR-2
Date First Available ‏ : ‎ September 7, 2022
Manufacturer ‏ : ‎ DIYables
ASIN ‏ : ‎ B0BDFJZDZL
Best Sellers Rank: #72,419 in Electronics (See Top 100 in Electronics) #276 in Motion Detectors (Electronics)
Customer Reviews: 4.2 4.2 out of 5 stars 4 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

Adjustable detection range: 3m to 7m
Used to detect the human or animal presence, suitable for automation projects
Power supply : DC 4.5-20V
Output voltage: HIGH 3.3V / LOW 0V
Motion sensor works with Arduino, ESP32, ESP8266, Raspberry Pi, or any 5V or 3.3V microcontroller.