20A Range ACS712 current sensor module

• 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);