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

Stemedu 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

🎯Wide 23mm detection angle

🔋Ultra-low <50µA quiescent current

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 smart space with motion-sensing precision!

ENERGY SMART DESIGN - Consumes less than 50µA in standby, maximizing efficiency for 24/7 security and automation.
VERSATILE USE CASES - Perfect for smart homes, offices, hotels, and warehouses—automate lighting, alarms, and appliances effortlessly.
CUSTOMIZABLE SENSITIVITY - Adjust detection timing and trigger modes to fit your unique environment and avoid false alarms.
INSTANT MOTION ACTIVATION - Trigger devices automatically with lightning-fast response times from 0.5 to 200 seconds.
PLUG PLAY COMPATIBILITY - Seamlessly integrates with Arduino and Raspberry Pi for next-level DIY smart projects.

The Stemedu HC-SR501 PIR Sensor is a high-performance infrared motion detection module designed for seamless integration with Arduino and Raspberry Pi. Featuring an adjustable delay from 0.5 to 200 seconds and ultra-low standby current (<50µA), it enables efficient automation of lighting, alarms, and appliances across commercial and residential settings. Its 23mm detection angle and customizable trigger modes make it ideal for smart security and energy-saving applications.

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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