Hi, i'm having problems when sensing voltage from an ACS712 current sensor.
When I connect a load (in this case 30 omh) to the sensor, my multimeter shows a change from 2.52 to 2.78, but the ADC (A0) of the arduino won't detect it. Only a very very sutle change from 2.52 to 2.47, this happens also if a I show the Raw data from the ADC, only a very little change.
The circuit it's pretty simple and also the code too.
Idk what else to do honestly, I already change the DC-DC converter to a Lineal Regulator and the same happens, also change the sensor for a new one, and nothing changes.
Thanks!
#define Sensor A0
float voltajeSensorent;
void setup()
{
// put your setup code here, to run once:
pinMode(Sensor,INPUT);
Serial.begin(4800);
}
void loop() {
// put your main code here, to run repeatedly:
voltajeSensorent = analogRead(Sensor) * (5.0 / 1023.0);
Serial.print("Entrada:");
Serial.println(voltajeSensorent);
delay(500);
}