I do remember very well, my first engineering project. it was design of a power supply sytem to power on my small stereo sytem at home. I was in my fourth level of my high school and coming back home, i realised that my small radio was not working. on checking well i thought about the power not getting into the radio. This was obvious because on use of the small 1.5 V battery, the radio worked. I decided to come up with a power supply that could inject atleast 5V into my radio and it worked so well. I felt like a genius. In fact that is how i changed the mentality from being a lawyer to being an engineer.
Power supply system
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