Parameters:
Voltage input range: DC0-25V
Voltage Detection range: DC0.02445V-25V
Voltage Analog Resolution: 0.00489V
DC input connector: Terminal cathode connected VCC, anode to GND
Output Interface: "+" then 5/3.3V, "-" connected GND, "s" then the Arduino AD pins
Reference Code:
# include <Wire.h>
int val11;
int val2;
void setup ()
{
pinMode (LED1, OUTPUT);
Serial.begin (9600);
Serial.println ("Emartee.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);
}