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Measuring voltage change with time

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varunme

varunme

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How to get a product of voltage with time into a variable ?, idea is to make a kwh meter
 

Where goes current ? What happen with current monitoring ? :cool:


You can try this Atmel Open Source project :

AVR465 Energy Meter ATMega88


Compiler is IAR EW AVR.



If you need more info say.
 

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  • AVR094 - Replacing ATmega8 by ATmega88.pdf
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  • issue4_pg21_23_AVR465artic.pdf
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    varunme

    varunme

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Actually I am working on PIC , i will take idea from it , any pic variant of this project is available ?
I thought of the voltage drop in the circuit , from that we can measure current by ohms law
 

Of course there is with PIC but .... I cant upload this because.....

Called Appliance Energy Meter, Part 1 & Part 2

You can see this project on Silicon Chip

102045_EnergyMeter_ckt_copy.jpg


Also You can see this Microchip project :
 

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  • Watt-Hour Meter using PIC16C923 and CS5460.pdf
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