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Sometimes two wrongs make a right!

 1- When I was an undergraduate student, I started taking electronic courses for my elective coursework. It was supposed to be a more science course and not much of engineering but they made a mistake and sent us an engineer instructor. So instead of learning about semi-conductors, he started teaching us about designing circuits, logical circuits and wi-fi transmitters! It appeared to I made a wrong judgment.


2- Couple years back, when the pandemic lockdown started, I decided to use a Raspberry Pi for remote access. One of best decisions of my life! The following decision however wasn't very smart; I purchased a UPS hat just to make sure a full time access while I can't go on campus. Well the hat was designed for version 3 and din't support my version 4 and it didn't worth returning, so it was laying around and reminding me of a wrong decision.


3- Last week I was frustrated by unstable solar panel charger and in a moment of enlightenment I found a perfect solution for it. A 5v UPS can stabilize the solar panel output, so long story short, with a little work and soldering and remembering some of those electronic courses, I made a nice solar charge regulator out of a UPS, so when it's full sun, both UPS and any other attachment will be charged but when the sun is behind clouds, the UPS will charge the attachment with the reservoir battery.

Nice! so sometimes two wrongs can make a right!



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