User:Mabdulalimalik/sandbox

aslam o alikum'

i want to make a circuit which store the time in its own memory for 20 times when the ac voltage on and again store the time when ac voltage going to off and calculate the time of difference ac on,off.this circuit show all the time information show on lcd or seven segment display. '--Mabdulalimalik (talk) 20:47, 29 June 2012 (UTC)