I found a fully working ir receiver. What should I do with it?
1- if you are not a programmer or do not want to learn about programming *and*
microcontroller: not much.
else...got something that work with a serial cable? (db9) you could implement an ir control instead!
or... build a basic remote control and send it to a microcontroller that could control say... a toilet flush... a door... an alarm... anything.
that give you an idea...
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receive some infrared - of course!
Unless you have a project in mind, theres not a lot a person would do with one.