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ADE7758  RMS me !

Question asked by minhthuong on Oct 25, 2013
Latest reply on Dec 12, 2014 by hmani

hello everybody, i'm student .i have some problem with my project. that's a enery meter ADE7758.

VRMS value incorrect, when i dont connect Volt chanel,but  VRMS = 4,193,635d ( i dont understand???) , over maximum 1678,210d.

when i connect 220V, Vrms = 3,356,304d but 110V, Vrms = 3,953,902d

. Irms correct.


my schematic and code below.


please help me!. thanks you very much..