Module saves the soldering

Module saves the soldering

ACS712 current sensor 20A Range Module Current Sensor f. Arduino Bascom projects (Electronics)
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Customer Review

I tested with an Arduino and a power supply at 0A, 1A, 5A module.
At the output I have switched a low pass from 10kohm and 100nF.
Quiescent current measurement and the actual current measurement are done by an averaging of the four A / D-values.
This usual hardware and software measures I had deviations from the power supply display (of unknown accuracy!) At 5A of 64mA and 1A of 23mA.
The same applies to a stream with a different sign.

So I am very satisfied.

The AC-behavior and the current-carrying capacity of 20 A I have not tested.

One point deduction is available for the missing diagram.
The polarity I had to find out for yourself: Increasing ADC values ​​when the current to flow into the right socket (looking at component side, the plug-in connections are down).

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