HiLetgo D-Sun Hc-Sr501 Pyroelectric Infrared Pir Motion Sensor Detector Module

but the there is no precise or dezire output

5 समझ के लिया था बहुत महंगा पड़ गया, कोरोना काल मे वापसी भी नहीं हो पाया

This is a simple and useful device but somewhat tricky for first time user. Its could sense movement at a range of up to 10 feet. It has two presets which set two separate delay timings. When this device detects movement of a person, after a certain delay, its output pin changes state. This delay can be as low as 5 seconds and as high as 300 seconds. The second delay decides, how much time the output will remain in true state and then automatically revert back to false state. I tested it with Arduino but you can use it with any microcontroller or also drive a small relay coil with it to sound a buzzer or switch on a lamp.

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Nice

I'VE GOT DELIVERED ON 4 FEB. 2020. AND MADE SUPPORTIVE CIRCUITS AROUND THIS KIT AS YOU SEE IN IMAGES, BUT IT'S DETECTION RANGE IS NOT SATISFACTORY AS I SUPPOSEED, IT IS NOT AWAY BY 2-3 METERS, AND IT'S SENSITIVITY CAN'T FIX. WHEN I SET IT'S SENSITIVITY PRESET NOT TO SENS IN DAY.... BUT CAN'T POSDIBLED, IT DO LOAD ON - OF UNNECESSARY, I AM VERY DISAPPOINTED, I ALSO BOUGHT A ANOTHER PIR MOTION SENSOR KIT WHICH WAS I RETURNED FROM 'GENERIC 'ALSO SAME PROBLEM IN THAT, I SUPPOSE BOTH KIT ARE USELESS AND CAN'T FIT UPON REQUIREMENTS, CLOSING MY REWIEW GREAT IRRITATING MOOD. 👎👎👎😵😵

Just a waste

Im giving 5 star. The product is good.It will work for years with a 9v 1amp battery. Took only 3-5 ma battery during normal working and rest time it will sleep to less than 60 microamps