http://creativecommons.org/licenses/by-nc-sa/4.0/ or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA. * This sketch will have intro and ...
A timer is a type of clock used for the measurement of time intervals. There are two types of timer, one which counts upwards from zero, for the measurement of the elapsed time, called as Stopwatch.