hi i bought a emontx shield and it seams to gives erroneous reading
example:
I think it has probably a bad resistor on port 3
-0.00 -26.97 6042.74 28.17 121.67
-0.00 -27.37 6056.80 27.26 121.86
-0.00 -26.93 6038.67 27.82 121.74
-0.00 -27.55 6034.19 28.03 121.59
-0.00 -27.12 6027.13 27.83 121.71
-0.00 -26.81 6042.26 27.63 121.53
-0.00 -27.46 6031.58 28.11 121.77
-0.00 -27.37 6030.33 28.09 121.55
-0.00 -27.30 6017.31 27.72 121.37
-0.00 -27.43 6044.73 27.77 121.67
-0.00 -27.81 6033.74 28.42 121.85
-0.00 -27.78 6056.13 27.71 121.79
-0.00 -27.22 6036.45 28.08 121.81
-0.00 -27.51 6047.02 28.55 121.91
-0.00 -27.66 6056.78 28.21 122.03
-0.00 -27.32 6063.59 27.66 122.20
-0.00 -27.47 6073.10 28.15 121.83
-0.00 -27.98 6064.05 27.55 122.01
-0.00 -27.62 6069.62 27.98 121.94
-0.00 -27.41 6071.97 27.44 122.06
-0.00 -27.30 6066.59 28.39 121.95