# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

# Simple demo of the MAX31865 thermocouple amplifier.
# Will print the temperature every second.
import time

import board
import digitalio

import adafruit_max31865

# Create sensor object, communicating over the board's default SPI bus
spi = board.SPI()
cs = digitalio.DigitalInOut(board.D5)  # Chip select of the MAX31865 board.
sensor = adafruit_max31865.MAX31865(spi, cs)
# Note you can optionally provide the thermocouple RTD nominal, the reference
# resistance, and the number of wires for the sensor (2 the default, 3, or 4)
# with keyword args:
# sensor = adafruit_max31865.MAX31865(spi, cs, rtd_nominal=100, ref_resistor=430.0, wires=2)

# Main loop to print the temperature every second.
while True:
    # Read temperature.
    temp = sensor.temperature
    # Print the value.
    print(f"Temperature: {temp:0.3f}C")
    # Delay for a second.
    time.sleep(1.0)
