5A 20A 30A Hall Current Sensor Module รุ่น ACS712 สำหรับ Arduino AC DC Current Detection Board

ACS712 5A Range Hall Current Sensor Module ACS712 Module For Arduino 5A 1, the current sensor chip ACS712ELC - 05; 2, pin 5V power supply, the onboard power light; 3 5, plus or minus current can be measured, module, the corresponding analog output 185 mv/A; 4, no current through testing, the output voltage is VCC / 2; 5, the size of the PCB board: 31 (mm) x13 (mm); Hot Sale ACS712 20A Range Hall Current Sensor Module ACS712 Module For Arduino 20A 1, the current sensor chip ACS712ELC - 20; 2, pin 5 v power supply, the onboard power light; 3 30A plus or minus current can be measured, module, the corresponding analog output 100 mv/A; 4, no current through testing, the output voltage is VCC / 2; 5, the size of the PCB board: 31 (mm) x13 (mm); Hot Sale ACS712 30A Range Hall Current Sensor Module ACS712 Module For Arduino 30A 1, the current sensor chip ACS712ELC - 30; 2, pin 5 v power supply, the onboard power light; 3 30A plus or minus current can be measured, module, the corresponding analog output 100 mv/A; 4, no current through testing, the output voltage is VCC / 2; 5, the size of the PCB board: 31 (mm) x13 (mm); Note: ACS712 is based on the principle of hole detection, please try to avoid when using magnetic field has an impact!