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HC-SR501 PIR Sensor Infrared IR Body Motion Module for Arduino Raspberry Pi(Pack of 5pcs)

HC-SR501 PIR Sensor Infrared IR Body Motion Module for Arduino Raspberry Pi(Pack of 5pcs)

Q: Is there a place to add photo resistor in the board?

It's configured with a photo resistor so it doesn't trigger during daylight. In my application I want mine to trigger anytime someone enters the bathroom, so I jumped it out of circuit. If you hold the board with the potentiometers up there is a row of resistors just below them. The one on the right being the photo transistor. The the body is clear, so it can detect light, that makes it easy to spot. It's placement on the opposite side of the board than that of the sensor, kind of makes it worthless.

Q: Is this affected by heat? i have an am312 that throws false positives when my hvac turns on.

Yes, the Passive InfraRed (PIR) sensor detects hot things moving. If your HVAC moves hot air in front of the detector, it should be detected.

Q: What does it need to be powered up? like 5v 12v or ac voltage.

Hello, the operating voltage range of this HC-SR501 motion sensor is DC 4.5-20V

Q: What is the spacing on the 3 header pins? (Ground, Signal, Power)

It is 2.54mm pitch on the 3 header pins. Thanks

Product ID: 258956193

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Details

Brand
Stemedu
Colour
Green
Power source
Battery
Item weight
60 Grams
Maximum range
21 Feet

⏳0.5-200s adjustable delay

⚡4.5-20V wide voltage range

📏23mm sensor diameter

Frequently Bought Together

Stemedu 5pcs HC-SR501 PIR Infrared Motion Sensor Human Body IR Movement Detector Sensor Module for Arduino for Raspberry Pi

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Description

🚀 Elevate your space with smart motion sensing — don’t get left in the dark!

CUSTOMIZABLE TIMING - Adjust delay from half a second up to 200 seconds to fit your unique setup.
SEAMLESS AUTOMATION - Instantly triggers devices from lights to fans with precise motion detection.
VERSATILE USE CASES - Perfect for offices, hotels, warehouses, and smart home security zones.
ENERGY EFFICIENT DESIGN - Ultra-low quiescent current (<50µA) keeps your system power-smart and reliable.
PLUG PLAY COMPATIBILITY - Effortlessly integrates with Arduino and Raspberry Pi for smart DIY projects.

The Stemedu HC-SR501 PIR Sensor is a high-performance infrared motion detector module designed for seamless integration with Arduino and Raspberry Pi projects. Operating on a wide voltage range of 4.5-20V and featuring an adjustable delay timer from 0.5 to 200 seconds, it offers precise and customizable motion-triggered automation. Ideal for professional environments and smart homes alike, this pack of 5 sensors enables energy-efficient, reliable activation of lighting, alarms, and appliances, enhancing security and convenience with minimal setup.

Specifications

Manufacturer	Stemedu
Part number	ST0057X5
Item Weight	60 g
Product Dimensions	20 x 8 x 15 cm; 60 g
Item model number	3216550596
Color	Green
Power source type	Battery Powered
Item Package Quantity	1
Temperature Range	3E+1 Degrees Celsius
Plug Profile	Wall Mount
Batteries Included?	No
Batteries Required?	No
tech_spec_battery_description_toys	battery not included

Have a Question? See What Others Asked

Is there a place to add photo resistor in the board?

Is this affected by heat? i have an am312 that throws false positives when my hvac turns on.

What does it need to be powered up? like 5v 12v or ac voltage.

What is the spacing on the 3 header pins? (Ground, Signal, Power)

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