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PT100 mittels MAX31865

created on
  Friday, 01 March 2024
edited on
  Saturday, 15 November 2025
by
  Stefan Trucker  

sensor_type:
#   One of "MAX6675", "MAX31855", "MAX31856", or "MAX31865".
sensor_pin:
#   The chip select line for the sensor chip. This parameter must be
#   provided.
#spi_speed: 4000000
#   The SPI speed (in hz) to use when communicating with the chip.
#   The default is 4000000.
#spi_bus:
#spi_software_sclk_pin:
#spi_software_mosi_pin:
#spi_software_miso_pin:
#   See the "common SPI settings" section for a description of the
#   above parameters.
#tc_type: K
#tc_use_50Hz_filter: False
#tc_averaging_count: 1
#   The above parameters control the sensor parameters of MAX31856
#   chips. The defaults for each parameter are next to the parameter
#   name in the above list.
rtd_nominal_r: 100
rtd_reference_r: 430
rtd_num_of_wires: 2
#rtd_use_50Hz_filter: False
#   The above parameters control the sensor parameters of MAX31865
#   chips. The defaults for each parameter are next to the parameter
#   name in the above list.

Der Ramps 1.4 hat den SPI Port rechts unten

dazu wurde PIN D40 (PL0) als CS genommen

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