ITEM NAME:5A range current sensor ACS712 modules US07 JR D3F4 5A range current sensor ACS712 modules US07 JR D3F4 The current sensor chips: ACS712ELC-05A; Pin 5 V power supply, board power indicator There is no current through the detection, the output voltage is VCC / 2 The module can measure the positive and negative 5 Ampere, corresponding to the analog output of 185 mV / A; The board size: 27.4 (mm) x11.8 (mm); Note: ACS712 use Hall measuring principle, if you avoid this magnetic effect! Package Included: 1 x ACS712 module Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm.