Features: 1.High quality current sensor chips: ACS712. 2.Pin 5V power supply, on-board power indicator. 3.The module can measure the positive and negative 30 amps, corresponding to the analog output 100mV / A. 4.No test current through the output voltage is VCC / 2. 5.PCB board size: 27.4(mm)x11.8(mm).
