1  # SPDX-FileCopyrightText: 2021 Brent Rubell for Adafruit Industries
 2  #
 3  # SPDX-License-Identifier: MIT
 4  
 5  """
 6  'temperature.py'.
 7  
 8  =================================================
 9  Writes TMP36 data to the REPL
10  """
11  
12  import time
13  import analogio
14  import board
15  from simpleio import map_range
16  
17  temp_sensor = analogio.AnalogIn(board.A0)
18  
19  
20  def get_voltage(_temp_sensor):
21      """gets the TMP36's voltage."""
22      voltage_val = map_range(_temp_sensor.value, 0, 65535, 0, 3.3)
23      return voltage_val
24  
25  
26  while True:
27      temp = get_voltage(temp_sensor)
28      # convert to celsius
29      temp = (temp - 0.5) * 100
30      print("   Temperature =", temp)
31      time.sleep(1)