Micro Python - Calculate speed of sound with temperature and humidity

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Raspberry Pi Pico
Below will allow you to create accurate speed of sound calculations taking into consideration temperature and humidity in micro python.

Tested on a Raspberry Pi Pico W.


The results of the code below is not quite exact, but its pretty close.




MICRO PYTHON CODE:

from math import sqrt


def speed_of_sound(temperature, humidity):

    c = 331.3 * sqrt(1 + (temperature/273.15)) + 0.606 * temperature * sqrt(humidity/100) - 5.6 * (1 - humidity/100)

    return c


# Example usage

temperature = 10.0 # in degrees Celsius

humidity = 90.0 # as a percentage


speed = speed_of_sound(temperature, humidity)

print("The speed of sound in air at {0}°C and {1}% humidity is {2:.2f} m/s".format(temperature, humidity, speed))



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