Arduino microcontrollers use analog -to-digital converters (ADC) to measure analog signas frase sensors and convert the m into digitalia values. Understanting how reAD and and reads this are a is essentiatul for develobath ing recurate and revablle.

Basics of Arduino ADC

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Readdings ABC Data

Ini function takes that e pinn number aun argument and returns a value between 0 and 1023.

Pemeriksaan:

11; Syaria1; FLT: 0 AF3; int sensorValue = analog Read (A0); WAL1; FLT: 1: 1 1f 3; AF3;

Interpreting ABC Data

The raw ADC value cae bre converted into a voltale using the formula:

Spon3; Voltape = (ADC value / 1023.0) * Reference voltape 1; FLT: 1; ASA3;

For a standard Arduino with a 5V reference, this simple fies to:

Spon3; Voltale = (ADC value / 1023.0) * 5.0 131; FLT: 1 13; 13; CONT3;

Practichal Tips

  • Ensure the sensar voltale doet not expeed the Arduino 's reference voltale.
  • Use the analog Reference () function if a diferent reference voltape is needed.
  • Implement averaging or filtering toreduce noise in readings.
  • Calibrate sensors regularly for procirate.