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Sonsivri > Electronics > AVR, 8051 Family and ARM Area (Moderator: bbarney) > how to interface energy meter with uc?
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abbas1707
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« on: February 16, 2008, 10:34:18 22:34 »
anyone know how to interface energy meter used in homes with 89c51 or AVR???
plz help Cry Cry Cry
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avralam
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« Reply #1 on: February 17, 2008, 12:13:45 00:13 »
 Read LED pulses optically...
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th_sak
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« Reply #2 on: February 17, 2008, 10:46:32 10:46 »
You can find this project in Elektor Sep 2007 issue (pages 66 - 70). They fit an LDR directly on the energy meter in front of the blinking LED.
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tension885
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« Reply #3 on: February 20, 2008, 05:19:11 05:19 »
we can use energy meter for measuring power with help of opto coupler
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avralam
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« Reply #4 on: February 20, 2008, 08:26:37 08:26 »
Quote from: tension885 on February 20, 2008, 05:19:11 05:19
we can use energy meter for measuring power with help of opto coupler
Please explain.
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EDSONCT
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« Reply #5 on: February 20, 2008, 09:58:48 09:58 »
Look at ADE7754 in analog device site
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