நான் உங்கள் நண்பன்

Last few months I work with micro-controllers and single-board computers. Interest towards this small applications started from my child hood. In the mid 90's, I was about 9 years old, Mr Wiyagaratnam a close relative sends me used batteries through my father. He knew, I make LED decoration light bulbs and need batteries to power them because there was no electricity at that time. Those days batteries were very expensive and hard to find even due to economic sanction enforced in northern Sri Lanka. This is what I remember as the start, a personal bond with  circuitry. I read books about electronic circuitry, I could build basic bridge circuit to power my lights with bicycle dynamo. I  started using  555 IC  to make my projects more interesting. I turned 12 and I was studying at St. John's College. Astronomy was part of our studies. We had to stay at night to observe planets and stars. We...