Adafruit_MicroPython_MAX31685/examples/max31865_simpletest.py

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# Simple demo of the MAX31865 thermocouple amplifier.
# Will print the temperature every second.
import time
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import machine
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import adafruit_max31865
# Initialize SPI bus and sensor.
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spi=machine.SPI(
-1,
sck=machine.Pin(14, machine.Pin.OUT),
mosi=machine.Pin(13, machine.Pin.OUT),
miso=machine.Pin(12, machine.Pin.OUT)
)
spi.init(baudrate=115200, polarity=0, phase=1)
cs=machine.Pin(2)
sensor=adafruit_max31865.MAX31865(spi, cs)
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# 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:
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# sensor = adafruit_max31865.MAX31865(spi, cs, rtd_nominal=100, ref_resistor=430.0, wires=2)
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# Main loop to print the temperature every second.
while True:
# Read temperature.
temp = sensor.temperature
# Print the value.
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print("Temperature: {0:0.3f}C".format(temp))
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# Delay for a second.
time.sleep(1.0)