I am just playing around with components, figuring out how to use them etc
I know I need a voltmeter to check the voltage, later I am going to add an ADC for the ref volts,, just to see how it works
Will try adding the lm336 and seeing how that affects things
Reason I ask about the capacitor is because I have 4 AAA batteries that have come out of my digi camera, they failed to operate the flash as they have been in there for a while. Yet when i put them into this circuit (which i have proto on breadboard) there was no difference between those batteries and fully charged ones.
Im just a little confused with regards to finding out if the batteries are fully charged or not.
The point of the circuit at the mo is to set the ref voltage and then compare that to the battery voltage with the green led for ok and red for low battery. Then i can stick it in the charger!!
Thanks for your input