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* Current sensor chip: ACS712ELC-30A;
* 5V power supply, onboard power indicator;
* Module can measure positive and negative 30 amps, corresponding to analog output 66mV / A;
* When no current is detected, the output voltage is VCC / 2;
* PCB board size: 31 (mm) x13 (mm);
Note: ACS712 is based on the principle of Hall detection, use, please try to avoid the impact of magnetic field!