Analog to Digital Converter (ADC) Calculator
Welcome to the ADC Calculator. This tool helps you calculate the digital output of an analog-to-digital converter based on the input analog voltage, reference voltage, and ADC resolution. You can also view the decimal and binary outputs. This tool is optimized for general ADC use and specifically for Arduino-like systems.
About Analog to Digital Converters (ADC)
Analog to Digital Converters (ADCs) are critical components in microcontroller-based systems like Arduino. They convert real-world analog signals (e.g., voltage from a sensor) into digital values that can be processed by a microcontroller. ADC resolution and reference voltage are key parameters that influence accuracy.
In Arduino systems, the ADC typically has a 10-bit resolution and operates with a default reference voltage of 5V or an externally defined voltage. To learn more about Arduino's ADC functionality, visit the official Arduino reference page.
ADC Equation: The digital output of an ADC can be calculated using the formula:
Digital Output = (Analog Voltage / Reference Voltage) × (2Resolution - 1)
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