It's cheap and the wires are easy to solder on it. It's very small, you can put it everywhere. You can use it as a light sensor using a microncontroller.
It's easy to use it. Just drop it in the sun light and it produce voltage. You must a buy a lot for make it useful. It has a very very low current.It's 0A!
It's useless if you want to buy only one ... Read more
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