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Voltage Level Display of 12V Battery

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Comments

This is nothing but a window comparator

 

Hello

 

If i was to use a different op amp - would i need to change the valuses of the resisters used... (5K6)?

becasue i am using a differnt opamp (4156) and the LEDs are not turning on.

I have decided to use a TL074 op amp.

 

Could you please let me know what value resistered i should use.

Calculation?

 

I would also like to measure the voltage between 12V to 6V

 

Than you in advance

how to indicate battery level using pic microcontroller?

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