Review on 🔍 HiLetgo 3pcs HC-SR501 PIR Infrared Sensor Human Body Motion Module for Arduino Raspberry Pi by Dwayne Pore

Name: 🔍 HiLetgo 3pcs HC-SR501 PIR Infrared Sensor Human Body Motion Module for Arduino Raspberry Pi
Item: 🔍 HiLetgo 3pcs HC-SR501 PIR Infrared Sensor Human Body Motion Module for Arduino Raspberry Pi
Rating: 5

August 24, 2022

Motion sensors in security and surveillance systems

I like these little motion sensors. I connect them to ESP8266 development boards and create my own home security system at a fraction of the cost. I also connected one of these to some LEDs with a relay so they light up as soon as I enter the room. Many possibilities. .

Pros

few competitors

Cons

unreliable

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