Does anyone have a schematic for a count down timer (5-10 mins) using a 555 chip?
If the timer is activated by a push button switch, is it possible to make it so that when I push the button it will keep the timer going even after the button is released?
If the timer is activated by a push button switch, is it possible to make it so that when I push the button it will keep the timer going even after the button is released?