20A Current Sensor Module - Blue

20A Current Sensor Module - Blue
Brand: Giga
Product Code: ACS71220A206999
Availability: 5
Price: R76.38
Ex Tax: R76.38
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Arduino 20A Current Sensor Module - Blue (new Improved terminal)

 

Color: Blue

Material: PCB + metal
ACS712ELCTR-20A sensor chipset
Output 100mv per A 100mv/A
Powered by 5V power supply
Measures -20~+20A current, corresponding simulation output 100mV/A 
Output voltage is VCC/2 when on current was measured
ACS712 is based on the principle of Hall detection, please avoid the magnetic field affect when using it
Datasheet: http://m2.img.dxcdn.com/CDDriver/sku.206997.rar
 
Dimensions: 1.22 in x 0.51 in x 0.55 in (35mm x 17mm x 1.35mm)
Weight: 0.14 oz (4 g)

 
Code Example for Arduino
Measuring Current Using ACS712
*/
const int analogIn = A0;
int mVperAmp = 185; // use 185 for 5A Module, 100 for 20A Module and 66 for 30A Module
int RawValue= 0;
int ACSoffset = 2500; 
double Voltage = 0;
double Amps = 0;

void setup(){ 
 Serial.begin(9600);
}

void loop(){
 
 RawValue = analogRead(analogIn);
 Voltage = (RawValue / 1023.0) * 5000; // Gets you mV
 Amps = ((Voltage - ACSoffset) / mVperAmp);
 
 
 Serial.print("Raw Value = " ); // shows pre-scaled value 
 Serial.print(RawValue); 
 Serial.print("\t mV = "); // shows the voltage measured 
 Serial.print(Voltage,3); // the '3' after voltage allows you to display 3 digits after decimal point
 Serial.print("\t Amps = "); // shows the voltage measured 
 Serial.println(Amps,3); // the '3' after voltage allows you to display 3 digits after decimal point
 delay(2500); 
 
}


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