On 30 Aug 2023, Ultra Magnus said the following...
 
So a while ago I made a all-in-one computer with a raspberry pi 3b+ and
at the time that prototype was good but now I don't know what to experiment with it since the time it was made for a presentation of the raspberry pi and it's possibility's but now I don't have a use so Any
idea or should I disassemble for part
There's loads you could use it for, using the gpio pins you could use it to  detect whether a lock on a door is enabled or not and display a sign to say  it's locked or blink a light, thinking a bathroom door...
you could make a smart mirror and use the pi to control and display things like 
weather/temps, news, whatever behind the mirror...
you could make it into a NAS (albeit a little slow) for some network storage...
there's a few ideas off the top of my head. What can you think of?
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