Feature:
Voltage input range: DC 0-80V
Voltage detection range: DC 0.02445V-25V
Voltage Analog Resolution: 0.00489V
DC input connector: VCC(+) / GND (-)
Output interface: "+" connect 5/3.3V, "-" connect GND, "s" connect the For Arduino AD pins
Reference code:
#include
int val11;
int val2;
void setup()
{
pinMode(LED1,OUTPUT);
Serial.begin(9600);
Serial.println("mcucity.com");
Serial.println("Voltage: ");
Serial.print("V");
}
void loop()
{
float temp;
val11=analogRead(1);
temp=val11/4.092;
val11=(int)temp;//
val2=((val11%100)/10);
Serial.println(val2);
delay(1000);
}