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HCSR501 PIR Motion Sensor (Passive Infrared Sensor)
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The HC-SR501 PIR Motion Sensor Module is used to detect the motion of a human body within the sensor’s range. It is often referred to as a PIR sensor, “Pyroelectric”, “Passive Infrared” and “IR motion sensor” device. This PIR motion sensor module has an onboard pyroelectric sensor, conditioning circuitry, and a dome-shaped Fresnel lens.
The HC-SR501 PIR Motion Sensor requires 4.5 ~ 20V DC voltage. This PIR sensor's tiny size and sturdy design make it ideal for a variety of applications, including burglar alarms, automatic lighting control systems, and DIY motion-sensing technology projects.
This PIR sensor features an adjustable time delay function that allows for customization of the sensor's response time. This sensor is compatible with Arduino, Raspberry Pi, AVR, PIC, 8051, etc., making it a versatile PIR motion sensor choice for embedded and IoT applications.
Check out our entire range of IR Proximity Motion Sensors
When evaluating a pir sensor price, the HC-SR501 stands out as a cost-effective option for both hobbyists and professionals. The pir motion sensor price typically remains affordable while still offering reliable performance, adjustable sensitivity, and wide compatibility with popular development boards.
This makes it a great choice for anyone looking for a balance between performance and pir sensor price, especially in DIY automation, security systems, and smart home projects.
Also, check the HC-SR505 Mini Infrared PIR Motion Sensor.
| Model | HCSR501 |
| Operating Voltage | 4.5 ~ 20V |
| Average Current Consumption (mA) | 0.06 |
| Distance Measuring Range (cm) | 300 ~ 700 |
| Dimensions | 32 x 24 x 18 mm |
| Weight | 15 grams |
The HCSR501 PIR sensor is a passive sensor (which means it hardly uses any energy to work). It detects infrared radiation from a passing heat source. You can use this to make a motion detection device, a light switch, or you could string many together and you could make an instrument that you won’t need to touch.
Indoor passive infrared: Detection distances range from 25 cm to 20 m.Indoor curtain type: The detection distance ranges from 25 cm to 20 m.Outdoor passive infrared: The detection distance ranges from 10 meters to 150 meters.Outdoor passive infrared curtain detector: distance from 10 meters to 150 meters
The IR sensors detect whether the light from the transmitter is emitted by an object or a person. Whereas, the PIR sensors detect changes in the levels of energy around the area.If the PIR sensor is installed towards the changing environment, it may let off a false alarm due to the change in the way the air flows; however, IR sensors must be installed facing the motion. IR sensors are usually only installed on the outside of properties, whereas PIR sensors are usually installed inside.PIR sensors don't actually emit the infrared; objects give the sensor infrared rays. This differs from IR sensors, which do actually infrared.
A PIR sensor, or passive infrared sensor, is an electronic tool that detects motion through monitoring temperature changes. It works on the concept that all objects emit and absorb thermal radiation. This device comprises two parts: a pyroelectric component which converts heat into electricity and an optical filter to block outside light sources. Upon detecting movement within its range, the PIR sensor sends out an electrical signal triggering various functions like activating lights or sounding alarms. With its ability to provide cost-effective and energy-efficient solutions, this technology finds widespread use in security systems, automatic doors as well as controlling lighting in both residential and commercial settings.
A PIR (Passive Infrared) sensor is a highly sophisticated and versatile technology utilized in various industries, including security and home automation. This innovative sensor works by detecting changes in infrared radiation within its field of view caused by the movement of warm objects, such as humans or animals. PIR sensors apart from other motion detection technologies is their passive nature - they do not emit any energy but instead rely on capturing existing heat signatures to trigger an alert or action. This makes them incredibly efficient and cost-effective while providing accurate detection levels for enhanced safety measures.
A PIR (Passive Infrared) sensor is a highly efficient and versatile device used for motion detection in various industries. Its ability to detect changes in infrared radiation makes it ideal for detecting movement of human beings, animals, or objects within its range. This valuable tool is commonly used as an essential security measure in residential and commercial buildings, providing protection against intruders and potential threats. Additionally, PIR sensors are widely implemented by lighting companies to enable automatic switching on/off functionality based on human presence or absence from the area. Investing in high-quality PIR sensors can greatly enhance your safety measures while also contributing towards energy efficiency.
Connecting a PIR (Passive Infrared) sensor to an ESP8266 microcontroller is a fairly simple task that can greatly enhance the capabilities of your IoT projects. To start, ensure that you have both components and appropriate wiring tools on hand. The first step is connecting the 5V power supply from the ESP8266 to the VCC pin on your PIR sensor. Next, connect any GND pins together followed by connecting one GPIO pin from the ESP8266 to OUT or DOUT pin on your PIR sensor. With these connections made, upload code onto your microcontroller using Arduino IDE and test out its range sensitivity and motion detection abilities with confidence.
Interfacing a PIR (Passive Infrared) sensor with an Arduino board is a simple yet crucial step in creating effective motion-sensing projects. To interface the PIR
The HC-SR501 detects motion up to about 7 metres within a 110 degree cone. Turn the sensitivity potentiometer to set range and the delay potentiometer for how long the output stays HIGH (about 3 seconds to 5 minutes).
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HCSR501 PIR Motion Sensor (Passive Infrared Sensor)
HCSR501 PIR Motion Sensor (Passive Infrared Sensor)
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HCSR501 PIR Motion Sensor (Passive Infrared Sensor)
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It is Amazing and great item in this price
Veri usefull and cheap price from other shopping site, I use this module many project. Thank you robocraze
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