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Author Topic: how to interface energy meter with uc?  (Read 1187 times)
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abbas1707
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« on: February 16, 2008, 11:34:18 23:34 »

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, 01:13:45 01:13 »

 Read LED pulses optically...
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th_sak
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« Reply #2 on: February 17, 2008, 11:46:32 11:46 »

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, 06:19:11 06:19 »

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, 09:26:37 09:26 »

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, 10:58:48 10:58 »

Look at ADE7754 in analog device site
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