Involvement:General (knows how to use it) - Ownership:1 week to 1 month Pros:This little PIR is great because it is very easy to get up and running with. You simple provide it 5V, ground and run the yellow wire to a digital input on a micro-controller like the Arduino. It sends a HIGH signal on 5V if motion is detected. Cons:The one main setback... Read more
Involvement:General (knows how to use it) - Ownership:1 day to 1 week Pros:Very easy to work with, only power it and it works!! Good range and sensibility.
Can be used to make alarms, automatic lighting, and much more! Cons:Has some unpopulated pads intended to add darkness-mode capability. Maybe it should come with a pair of smd LEDs to see pow... Read more
Involvement:General (knows how to use it) - Ownership:1 week to 1 month Pros:a well price and reliable unit. has good sensitivity. Works well with 5- 15 V input range. made a couple of switches battery powered one and 12 volt adapter powered with the units and all works well. Cons:size is a bit to bulky for fitting / making a compact switch, but... Read more
Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month Pros:Relatively cheap. You can get a cheaper version without the leads (sku: 139624). This version just makes it easier to prototype with as you can just stick the leads into your breadboard. It's very easy to use and quite self-explanatory. Which is good, because... Read more
Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month Pros:+ quite accurate inner timer
+ plastic cover
+ long enough connector cables
+ cables are connected by commonly used connector Cons:- not very sensitive, but is able to detect general movement
- capacitors and transistor on the back side are quite large
- one p... Read more
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