2017-12-01 10:48:26 +01:00
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# Simple demo of the MAX31865 thermocouple amplifier.
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# Will print the temperature every second.
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import board
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import busio
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2017-12-02 00:52:35 +01:00
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import digitalio
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2017-12-01 10:48:26 +01:00
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import time
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import adafruit_max31865
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# Initialize SPI bus and sensor.
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spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
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2017-12-02 00:52:35 +01:00
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cs = digitalio.DigitalInOut(board.D5) # Chip select of the MAX31865 board.
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2017-12-01 10:48:26 +01:00
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sensor = adafruit_max31865.MAX31865(spi, cs)
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# Note you can optionally provide the thermocouple RTD nominal, the reference
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# resistance, and the number of wires for the sensor (2 the default, 3, or 4)
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# 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.
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while True:
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# Read temperature.
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temp = sensor.temperature
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# Print the value.
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2017-12-02 00:52:35 +01:00
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print('Temperature: {0:0.3f}C'.format(temp))
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2017-12-01 10:48:26 +01:00
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# Delay for a second.
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time.sleep(1.0)
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