Gayan Soyza
Active Member
I have a clock done using a PIC (5V). It uses 4 seven segments. For the battery backup I'm using a CR2032, 3V coin cell. When power goes down the battery will keep up the time. In battery backup mode the 4 segments are disabled by the design. So only the PIC is working in backup mode.
The problem is CR2032 Battery will give power to the PIC via a diode (1N 5817).
So the voltage will reduce more.
What’s your idea on this method? How long will this battery works?
The problem is CR2032 Battery will give power to the PIC via a diode (1N 5817).
So the voltage will reduce more.
What’s your idea on this method? How long will this battery works?