I have this little AtTiny45 which I'm loading a program with Arduino as ISP.
My goal to use this chip along with a op amp, a piezo buzzer and a press button, and have it automatically sleep between uses.
I intend to use 2 3V pill batteries in parallel (specifically CR2032 if this makes a difference) as the power source, so here are my two questions:
- Can 2 3V pill batteries in parallel power a small application that will produce audible sound?
- How long could these batteries last --based on constant use-- if someone used this item for an hour per day?
