C Cool M Guest Dec 25, 2008 #1 it should be the standard of class 12th,a good one,mark fetching and impressive...
B Bill E. B Guest Dec 25, 2008 #2 You could do a micro-controller based sensing and output controls. Or you could do a 555 Timer circuit. But you need to try this one. As it is kinda a marvel. The Simple no Battery AM radio. http://www.tricountyi.net/~randerse/xtal.htm
You could do a micro-controller based sensing and output controls. Or you could do a 555 Timer circuit. But you need to try this one. As it is kinda a marvel. The Simple no Battery AM radio. http://www.tricountyi.net/~randerse/xtal.htm