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.