pcfText.py

   1 #!/usr/bin/env python3
   2 import time
   3 import board
   4
   5 import adafruit_pcf8591.pcf8591 as PCF
   6 from adafruit_pcf8591.analog_in import AnalogIn
   7 from adafruit_pcf8591.analog_out import AnalogOut
   8
   9 i2c=board.I2C()
  10 pcf=PCF.PCF8591(i2c)
  11
  12 pcf_in_0=AnalogIn(pcf,PCF.A0)
  13 pcf_out=AnalogOut(pcf,PCF.OUT)
  14
  15 pcf_out.value=65535
  16 raw_value=pcf_in_0.value
  17 scaled_value=(raw_value/65535)*pcf_in_0.reference_voltage
  18 print("Pin 0: %0.2fV" % (scaled_value))
  19 print("")