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daoki 5pcs human motion sensor hc-sr505 mini infrared pir detector module for arduino body sensor switch with dupont cable female to female logo

DAOKI 5PCS Human Motion Sensor HC-SR505 Mini Infrared PIR Detector Module For Arduino Body Sensor Switch With Dupont Cable Female To Female Review

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Average

Revainrating 3.5 out of 5  
Rating 
3.7
📹 Motion Detectors, 🕵️‍♂️ Security & Surveillance

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Description of DAOKI 5PCS Human Motion Sensor HC-SR505 Mini Infrared PIR Detector Module For Arduino Body Sensor Switch With Dupont Cable Female To Female

Operate Voltage is DC4.5V-20V;Working temperature: -20 °C ~ + 80 °C. It is made of electronic accessories element, inner conductor is pure copper. it is long lasting and durable for you to use. During the output level in the delay period, if there is the someone in the scope of its induction activities, its output will always keep a high level until the people leaves. Power consumption: quiescent current 50uA, particularly suitable for battery-powered appliances. Widely used in various auto-sensing of electrical equipment, body induction lamps, body sensors toys, especially battery-powered automatic control products.

Reviews

Global ratings 3
  • 5
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  • 4
    1
  • 3
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Type of review

Revainrating 4 out of 5

Very sensitive and not well shielded from EMI.

This IR sensor is very sensitive and susceptible to interference from the RPi 3B+ to which it is connected. Had to move the PIR about 2ft away from the RPi or you would get a lot of false alarms. The device is protected against RF and electromagnetic interference, and false alarms have disappeared.

Pros
  • Comfortable
Cons
  • Available in white only

Revainrating 5 out of 5

All you need is the current specification from the manufacturer.

This compact peer module is ideal for a physical intrusion detection, alarm and interaction system I am building for a server room. I'm currently using it on 5V. It would be nice to have a datasheet so I can determine the effect of changing the voltage and current applied to the module. I've posted a picture of the Arduino sketch I use to determine how long the output pin stays high after motion is detected. If you see a picture you can use the code. Change the PIN to the one you use.

Pros
  • Very impressive
Cons
  • So far so good

Revainrating 2 out of 5

Half don't work, the rest varies between 8 and 11 seconds Minimum on time

They are inexpensive. Unfortunately it's too cheap. During the "on" time, they stay on for a few seconds even if no more events are detected. This is normal and quite normal for PIR sensors. With the HC-SR505, this "on" time cannot be set. When I ordered, the time fluctuated: two devices had a minimum switch-on time of around eight seconds. The third device had a minimum switch-on time of about eleven seconds. The fourth device never signaled a change. ever (dead). The fifth block signals the…

Pros
  • Annual trial period
Cons
  • Expensive