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qbalsdon/PicoBricksPotentiometer.py

Created July 5, 2024 10:53
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PicoBricksPotentiometer.py
# PicoBricks read value from potentiometer and output to serial
# Thonny IDE
# Helpful reference: https://www.halvorsen.blog/documents/technology/iot/pico/pico_potentiometer.php
from machine import ADC
import utime
VOLTAGE = 3.3 # from the power source
INT_MAX = 65535.0 # 2^16 is the max value for integers
adcpin = 26
pot = ADC(adcpin)
def pot2Percent(rawPotValue):
return rawPotValue / INT_MAX * 100.0
while True:
adc_value = pot.read_u16()
# volt = (VOLTAGE / INT_MAX) * adc_value # original method
print(pot2Percent(adc_value))
utime.sleep(1)
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