The ACS712 device is provided in a small package, and consists of a precise, low-offset, linear Hall sensor circuit with a copper conduction path located near the surface of the die. When current is applied through the copper conductor, a magnetic field is generated which is sensed by the built-in Hall element. The strength of the magnetic field is proportional to the magnitude of the current through the conduction path, providing a linear relationship between the output Hall voltage and input conduction current.
NOTE: ACS712 is based on the principle of Hall detection, please try to avoid the magnetic field affect when using it
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1 x ACS712 30A Range AC/DC Current Sensor Module
|Supply Voltage (VCC)||5V DC nominal|
|Voltage at 0A||VCC/2 (nominally 2.5V DC)|
|Scale Factor||185mV per A|
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