I had left electronics in the nineties and thought of picking up the lost thread. In the current state of economics, building amps are no more viable. So I thought of piking up the latest fad in town and ventured into the world of micro controller.
After some research on net and then after reading a bit more on the new animal in technology, I finally ventured into ordering some part. After mousing through the catalog I zeroed on 12f519. Supposed to be a neat tiny piece of silicon. It packs more computing power than what I had used for my first computer project at BHU on a 3rd generation computer.
After a week or so I get a nice package - some 6" x 3" cardboard box. I open it, inside there is another box of foam, open that. Now all I see is an envelop.
Inside the envelop there is a tiny pipe. Not to be intimidated, I open the sealed pipe - out come two tine pieces of plastic.
Welcome to the world of qfn package - chips with no legs.
It is nice for miniature piece of appliances, but for hobbyists I hope, there were some better alternative.
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