Student appartments can get cold during finnish winter. The air conditioning is also poor so it can be hard to cool down the room during summers. So I had a thought; I could build a thermometer. Also I happened to have all the required parts, so why not?
Because the circuit is rather simple, I jumped straight into building it with ATmega328P. I decided to use ATmega328P since I had multiple and it is quite compact so the circuit is half the size of what it would be if it had the whole arduino uno board. After testing on breadboard, I moved on to PerfBoard.
In Picture 2, you can see that I added place for two pins in bottom left corner. It is used as input for 5V power supply.
Note on Picture 4: I reprinted the box from white PLA, with concern about black absorbing more light thus heating the box and distorting the results. More of a summer issue.
About me / conclusion: I am not a professional (yet). At the time this project was constructed, I was first year student in uni and thus the project might not be perfect. I had many ideas to improve the project such as gathering data and saving it to a cloud as well as generally improving the circuit. BUT I have too much on my hands including school, work, as well as other projects so I decided to finish this one by writing a short documentation on what I've done.
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