Automatically sensing light for floor, bathroom, basement, porch, warehouse.
Photosensitive control ( optional, not factory-set ) can be set photosensitive contorl, day or light intensity without induction.ġ. The module features adjustable sensitivity that allows for a motion detection range from 3 meters to 7 meters, also includes time delay adjustments and trigger. Automatic induction : to enter the sensing range of the output is high, the person leaves the sensing range of the automatic delay off high output low.Ģ. Sensing range : less than 120 degree, whtin 7 metersġ. Seconds to warm up, so try to avoid motion during that time.ĥ. This makes them a popular choice when building a system toĭetect potential intruders or people in general. Passive Infra-Red (PIR) sensors are used to detect motion based on the infrared heat Try to add a 1602LCD, relay module and other to show the data you measured.The HC-SR501 is based on infrared technology, automatic control module, using Germany imported LHI778 probe design, high sensitivity, high reliability, ultra-low-voltage operating mode, widely used in various auto-sensing eletrical equipment, especially for battery-powered automatic controlled products. If no movement, D13 indicator on UNO board not lights, and "No one!" is displayed on the serial monitor. If(state = 1)Serial.println("Somebody is in this area!") Įlse if(state = 0)Serial.println("No one!") ĭone wiring and powered up, upload well the code, if the sensor detects someone moving nearby, D13 indicator on UNO board will light up, and "Somebody is in this area!" is displayed on the serial monitor.
Output Delay Time (High Level): About 2.3 to 3 SecondsĬonnect the S pin of module to Digital 3 of UNO board, connect the negative pin to GND port, positive pin to 5V port.īelow is an example code, you can upload it to Arduino IDE.It features higher reliability, lower power consumption and simpler peripheral circuit. Full automatic temperature compensation 4. ABS flame-retardant shell 2.Optional LED ON/OFF 3. This sensor integrates an integrated digital pyroelectric infrared sensor, and the connection pins. cheap price pir sensor datasheet motion detector with low 1. Now we launch this new pyroelectric infrared motion sensor, specially designed for Arduino. Its virtually often utilized to detect human movement within the sensors range. It can be applied to a variety of occasions to detect the movement of human body.Ĭonventional pyroelectric infrared sensors are much more bigger, with complex circuit and lower reliability. The HC-SR501 PIR Motion Sensor Detector Module allows you to detect motion. This makes it ideal in applications where users need to track movements across a large. The Pyroelectric infrared motion sensor can detect infrared signals from a moving person or moving animal, and output switching signals. The Wide Angle PIR Sensor features a larger detection angle of 180.
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