pimoroni-pico/micropython/examples/automation2040w/read_adcs.py

34 wiersze
883 B
Python

import time
from automation import Automation2040W, SWITCH_A, NUM_ADCS
"""
Shows how to read the 3 ADC terminals of Automation 2040 W.
Press "A" to exit the program.
"""
UPDATES = 10 # How many times to update per second
ADC_NAMES = ("A1", "A2", "A3") # The friendly names to give each ADC input
# Create a new Automation2040W
board = Automation2040W()
# Enable the LED of the switch used to exit the loop
board.switch_led(SWITCH_A, 50) # Half Brightness
# Read the ADCs until the user switch is pressed
while not board.switch_pressed(SWITCH_A):
# Read each ADC in turn and print its voltage
for i in range(NUM_ADCS):
voltage = board.read_adc(i)
print(ADC_NAMES[i], " = ", round(voltage, 3), sep="", end=", ")
# Print a new line
print()
time.sleep(1.0 / UPDATES)
# Put the board back into a safe state
board.reset()