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HC-SR501 PIR Sensor (Passive Infrared Sensor) + IR Proximity Sensor
HC-SR501 PIR Motion Sensor + IR Proximity Sensor Module - IoT & Arduino Compatible
HC-SR501 PIR Motion Sensor + IR Proximity Sensor Module - IoT & Arduino Compatible
HC-SR501 PIR Motion Sensor + IR Proximity Sensor Module - IoT & Arduino Compatible
HC-SR501 PIR Motion Sensor + IR Proximity Sensor Module - IoT & Arduino Compatible
HC-SR501 PIR Motion Sensor + IR Proximity Sensor Module - IoT & Arduino Compatible
HC-SR501 PIR Motion Sensor + IR Proximity Sensor Module - IoT & Arduino Compatible
HC-SR501 PIR Motion Sensor + IR Proximity Sensor Module - IoT & Arduino Compatible
HC-SR501 PIR Motion Sensor + IR Proximity Sensor Module - IoT & Arduino Compatible
HC-SR501 PIR Motion Sensor + IR Proximity Sensor Module - IoT & Arduino Compatible
HC-SR501 PIR Motion Sensor + IR Proximity Sensor Module - IoT & Arduino Compatible
HC-SR501 PIR Motion Sensor + IR Proximity Sensor Module - IoT & Arduino Compatible
HC-SR501 PIR Motion Sensor + IR Proximity Sensor Module - IoT & Arduino Compatible
HC-SR501 PIR Motion Sensor + IR Proximity Sensor Module - IoT & Arduino Compatible
HC-SR501 PIR Motion Sensor + IR Proximity Sensor Module - IoT & Arduino Compatible

HC-SR501 PIR Sensor (Passive Infrared Sensor) + IR Proximity Sensor

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HC-SR501 PIR Sensor (Passive Infrared Sensor) + IR Proximity Sensor The HC-SR501 PIR Motion Sensor Module allows you to sense motion. It is almost always used to detect the motion of a human body within the sensor’s range. It is often referred to as “PIR”, “Pyroelectric”, “Passive Infrared” and “IR Motion Sensor” sensors. The PIR Motion sensor module has an onboard pyroelectric sensor, conditioning circuitry, and a dome-shaped Fresnel lens. The PIR Sensor has a delay time adjustment Potentiometer and a sensitivity adjustment Potentiometer. Repeat Trigger Selection Jumper is also available. Compatible with Arduino , Raspberry Pi , NODE MCU …
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HC-SR501 PIR Sensor (Passive Infrared Sensor) + IR Proximity Sensor The HC-SR501 PIR Motion Sensor Module allows you to sense motion. It is almost always used to detect the motion of a human body within the sensor’s range. It is often referred to as “PIR”, “Pyroelectric”, “Passive Infrared” and “IR Motion Sensor” sensors. The PIR Motion sensor module has an onboard pyroelectric sensor, conditioning circuitry, and a dome-shaped Fresnel lens. The PIR Sensor has a delay time adjustment Potentiometer and a sensitivity adjustment Potentiometer. Repeat Trigger Selection Jumper is also available. Compatible with Arduino , Raspberry Pi , NODE MCU , PIC, 8051, etc. The IR Proximity Sensor module has great adaptive capability of the ambient light, having a pair of infrared transmitters and a receiver tube, the infrared emitting tube emits a certain frequency, encounters an obstacle detection direction (reflecting surface), and infrared reflected back to the receiver tube receiving, after a comparator circuit processing, the green LED lights up, while the signal output will output digital signal (a low-level signal), through the potentiometer knob to adjust the detection distance, the effective distance range 2 ~ 10cm working voltage of 3.3V-5V. The detection range of the PIR sensor can be adjusted by the potentiometer, with little interference, easy to assemble, easy-to-use features that can be widely used for robot obstacle avoidance, obstacle avoidance car assembly line count, black-and-white line tracking, and many other occasions. Check out our entire range of IR Proximity Motion Sensors Also browse the wide range of Sensor Kits at affordable prices. read our blog explaining the infrared sensor working principle , Learn about the components, physics laws involved, and their applications in proximity sensing, item counting, burglar alarms, and more. PIR Sensor Pinout: IR Proximity Sensor Pinout: Applications: PIR sensors are used in thermal sensing applications, such as security and motion detection. The IR Sensor can be used in IP cameras. The PIR sensors are also used for Alarm systems and other crime-prevention devices. The IR sensor can be used for battery-driven human presence sensors for IoT smart homes. Read our blog about how does a proximity sensor work where we discuss what proximity sensors are, the features of proximity sensors, how does proximity sensor work, and the different types of proximity sensors. read our blog explaining the working principle of pir sensor , provides comprehensive information about Passive Infrared (PIR) sensors.

  • Dual-sensor pack: HC-SR501 PIR + IR Proximity Sensor
  • Adjustable sensitivity and delay on PIR sensor
  • IR detection range: 2–10 cm with potentiometer control
  • Wide compatibility: Arduino, Raspberry Pi, NodeMCU, 8051
  • Low power, 3.3V–5V operation
  • Ideal for robotics, security, and automation projects
  • Passive infrared motion detection
  • Active IR obstacle sensing
  • Onboard potentiometers for tuning
  • Fresnel lens for wide-angle coverage
  • LED indicator on IR sensor
  • Repeat trigger mode selection
Model HCSR501 PIR sensor
Operating Voltage 3.3 ~ 5 VDC
Average Current Consumption (mA) 0.06
Distance Measuring Range (cm) 300 ~ 700
Dimensions 48 x 14 x 8 mm
Weight 15 grams
Main Chip LM393
Distance Measuring Range 2 ~ 30 CM
What is the operating voltage of the HC-SR501 PIR sensor?

The HC-SR501 PIR sensor operates at 5V DC and is compatible with Arduino and Raspberry Pi.

Can the detection range of the IR proximity sensor be adjusted?

Yes, the IR proximity sensor has a potentiometer to adjust detection distance from 2 cm to 10 cm.

Is this sensor module compatible with NodeMCU?

Yes, both the PIR and IR sensors are compatible with NodeMCU, Arduino, and other 3.3V–5V microcontrollers.

What are common applications for the HC-SR501 sensor?

Used in security alarms, automatic lighting, IoT devices, and motion-activated systems.

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About HC-SR501 PIR Sensor (Passive Infrared Sensor) + IR Proximity Sensor by Iotcart

Shop HC-SR501 PIR Motion Sensor + IR Proximity Sensor. Compatible with Arduino, Raspberry Pi. Ideal for security, robotics & IoT projects. Fast delivery in India.

Categorised under: Sensors› Compatible with Arduino

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SmartElex Atmospheric Sensor …
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SmartElex Atmospheric Sensor Breakout – BME280 Temperature, Humidity & Pressure Sensor Module The SmartElex Atmospheric Sensor Breakout is a compact and reliable module designed to measure temperature, humidity, and air pressure with high accuracy. Built around the powerful BME280 sensor, this 3-in-1 sensor module makes it easy to monitor environmental conditions in real time. Perfect for weather stations, IoT systems, and smart home devices, this environmental sensor breakout delivers precise readings while consuming very little power. It supports both I2C and SPI communication interfaces, making it simple to connect with popular boards like Arduino, ESP32, or Raspberry Pi. Whether you’re building an automation project or a DIY weather monitor, this temperature, humidity, and pressure sensor breakout provides reliable performance and easy integration. It’s a great choice for makers, students, and developers who want accurate environmental data in a small and efficient module. Features: 3-in-1 Environmental Sensor: Accurately measures temperature, humidity, and barometric pressure using the BME280 sensor. High Precision Readings: Provides stable and accurate data for weather monitoring and environmental analysis. I2C & SPI Compatible: This I2C SPI environmental sensor module easily interfaces with Arduino, ESP32, Raspberry Pi, and other microcontrollers. Compact Design: Small and lightweight, making it perfect for embedded systems, IoT devices, and portable applications. Low Power Consumption: Efficient sensor design ensures reliable long-term use in battery-powered projects. Easy to Integrate: Ideal for beginners and professionals working on DIY weather stations, home automation, or environmental monitoring systems.
₹471.41  
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₹1048.60
Incl. GST (No Hidden Charges)

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