Cheap HC-SR501 Human Sensor Module Pyroelectric Infrared

#1 HC-SR501 Human Sensor Module Pyroelectric Infrared

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Nowadays HC-SR501 Human Sensor Module Pyroelectric Infrared is one of the hot new release in the US This product quality is also excellent. Many Reviews has proven that this item has good quality, so most of the buyers are satisfied. You can see it from the customers opinions who have given positive responses. if you are interested in this best buy on sale, you should order soon to avoid disappointment, because this item tends to sold out quickly.

Product Description

HC-SR501 Human Sensor Module Pyroelectric Infrared

Product Details

• Model: HC-SR501


• Dimensions: .94" h x
  1.02" w x
  1.26" l,
  .3 pounds
  

Features

• human sensor module


• pyroelectric infrared


• high quality


• fast ship with usps

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HC-SR501 Human Sensor Module Pyroelectric Infrared Video

Customer Reviews

Most helpful customer reviews

55 of 56 people found the following review helpful.

Love how it doesn't have a darn red glow when it senses motion


By M. Diehl

I bought this one and one by Parallax. The Parallax one (which was more expensive) had 2 settings. Low and High sensitivity. This one has a pot that controls the sensitivity and another for the timeout (according to another post). The thing I like most is that the white globe does not turn bright red like the Parallax. I'm using this for something more discrete where a glowing-red-light would distract from the work.

34 of 34 people found the following review helpful.

Extremely reliable, great price


By Jason Wright

As a novice in the embedded field, I struggled to get this working at first. I set up my arduino to check the signal from the sensor every 50ms, and there appeared to be many false-positives returning from the sensor.

I later realized that the sensor will output HIGH on occasion just to signal that it is still active. Under a constant stream, the output looks something like: "0000000000111100000000001111" always with 4 HIGH in a row.

In my loop that checks if the sensor is actually "tripped" I simply checked for combinations of HIGH in groups more than 4. This has been working flawlessly for the last few months, and I have absolutely no complaints.

46 of 49 people found the following review helpful.

Inaccurate Description, no documentation


By BuzzAndy

The documentation for this item is incredibly hard to find. The "HC-SR501" name describes the actual sensor component (vs. the whole board), so that doesn't help much. A more complete spec is here:

[...]

It's for the DYP-ME003 sensor module that incorporates the HC-SR501 sensor.

There are 2 potentiometers (one that sets the distance btw 3M-7M), another to set the timing delay (5s-300s). On this specific item, however, there is NO JUMPER to set the trigger mode.

I hooked this up to my Arduino Uno, and found that the potentiometers are not that accurate, so this is only good for very rough applications vs. anything that you might want to use that requires reliable distance sensitivity.

That being said, it's pretty inexpensive, so worth it if you just want to mess around. If you truly need "distance sensing", go for the HC-SR04 ultrasonic sensor that gives really accurate distance...or maybe tie them together?

Happy Making!

See all 30 customer reviews...

HC-SR501 Human Sensor Module Pyroelectric Infrared - YouTube

HC-SR501 Human Sensor Module Pyroelectric Infrared. (sometimes called DYP-ME003) Can be used with Raspberry Pi, Parallax or Arduino through their GPIO.

Amazon.com: HC-SR501 Human Sensor Module Pyroelectric ...

HC-SR501 Human Sensor Module Pyroelectric Infrared What Other Items Do Customers Buy After Viewing This Item? SainSmart HC-SR04 Ranging Detector Mod Distance Sensor ...

HC-SR501 Human Sensor Module Pyroelectric Infrared ...

Modules, Sensor Module, - HC-SR501 Human Sensor Module Pyroelectric Infrared

Amazon.com: Customer Reviews: HC-SR501 Human Sensor Module ...

The documentation for this item is incredibly hard to find. The "HC-SR501" name describes the actual sensor component (vs. the whole board), so that doesn't help much.

HC-SR501 Human Sensor Module Pyroelectric Infrared Sensor ...

HC-SR501 Human Sensor Module Pyroelectric Infrared Sensor Module,Electronics,Arduino,Price:$3.08,SKU:85636@ GoodLuckBuy.com-Freeshipping

HC-SR501 Human Sensor Module Pyroelectric Infrared Reviews,9 out of 10 based on 41 ratings

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