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Results tagged with analogread
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user 7924
A standard Arduino function for measuring the voltage on an analog pin via ADC.
5
votes
2
answers
7k
views
UNO analog input voltage reading not accurate
My loop code is this:
// read the input on analog pin 0:
int sensorValue = analogRead(A0);
// print out the value you read:
Serial.println(float(sensorValue*5000.0/1023));
delay(1); // delay in …
- 112
1
vote
1
answer
832
views
External ADC reading zero while input is zero
Using ADS1115 (or any other external ADC), how its possible to read zero instead of random floating values while no any signal at the ADC's input pin?
The ADS1115 is driven by an op-amp buffer as foll …
- 112