Thanks for the feedback.
What I need is something simple and low-cost. Two months battery life at least. I'm looking at button-type batteries as used in watches. The circuit doesn't need to be active all the time. The circuit only turns on when a push button switch is pressed. And the alarm...
Hello,
I need a schematic for a timer circuit (preferably using a low voltage 555 timer) that will give an output at 10 minutes and then another output 1 hour later when triggered. The output will be used to drive a beeper. Supply voltage for the whole circuit is to be at 1.5V and power...
