Pros: trigger modes, sensibility and time delay adjustment, good range of working voltages, very little consumption, good detection range, a lot of applications. Plug directly to Arduino
Cons: none Read more
Pro: Great little unit. Very cheap and easy to use. Lots of info available on internet. search for HC-SR501, or just quickly check: http://arduinodiy.wordpress.com/2014/09/18/1093/
Sensitivity very good. Contra: Nothing really
Other: there are two versions... one with a jumper for trigger options, one ... Read more
Pros: + cheap! + accurate up to 6 meters, can detect really small movements when tuned properly
+ comes with the distributor (white part)
+ perfect for projects, home automation, security etc.. Cons: - not really sure about the knobs, another is time and think another is sensitivity.. time you can calculate ... Read more
i bougt this item for over 7€ in Portugal less the half the price is a great buy
the prodoct it self is very good it is NPN and i wonted ir PNP but thas not a bid deal! =P
i'll star buying this here every time i have time to wait for it!! Read more
Very easy to work with these male to male / male to female / female to female Arduino DuPont Cable. Way easier and comfortable than making your own. Being a flat-cable flex, you can simply tear away any amount of cable for your projects, or tear each one individually for experiments. Great color coding ... Read more
Very good product, easy to use. Detects humans outdoor located, in 15 meters distance at least. It can detect a cat in two meters. You can connect this product straight away to many projects, works great with arduino etc.. output is 3,3 V.
Easy to trim sensivity and delay. At least the capacitors should ... Read more
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