ITEM NAME:5A Range Current Sensor Module ACS712 Electronic Parts F9X8 5A Range Current Sensor Module ACS712 Electronic Parts F9X8 The current sensor chips: ACS712ELC-05B. Pin 5V power supply, on-board power indicator. The module can measure the positive and negative 5 amps, corresponding to the analog output 185mV / A. Built in a potentiometer for sensitivity control. Convenient and easy to install.