Check the listing for details. ACS712 5A/20A/30A Current Sensor Current Detect Range Module For Arduino New. Condition: New. Listed at 12.85 USD. Specification: 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 / ANo test current through the output voltage is VCC / 2;PCB board size: 31 (mm) x13 (mm); Note: ACS712 is based on the principle of the Hall test, please use this field to avoid an impact the current sensor chips: ACS712ELC-20A;Pin 5V power supply, on-board power indicator;The module can measure the positive and negative 20 amps,corresponding to the analog output 100mV / A;No test current through the output voltage is VCC / 2;PCB board size: 31 (mm) x13 (mm);Note:ACS712 is based on the principle of the Hall test,please use this field to avoid impact Chip: ACS712ELCTR-30APower supply: 5vMeasuring range: ±30AAnalog output: 66mV / AOn-board power indicatorWhen the current is 0, the output is the power midpoint voltage, isolated.PCB board size: 28 (mm) x13 (mm) Package Included:5/10/20x ACS712 Module Arduino module 5A/20A/30A Range Current Sensor ModuleOn Jun 3, 2024 at 04:22:52 PDT, seller added the following information: