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config: add BME280 documentation

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Signed-off-by:  Eric Callahan <arksine.code@gmail.com>
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Arksine 2020-01-11 20:17:14 -05:00 • committed by KevinOConnor
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21
config/example-extras.cfg
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@ -821,6 +821,27 @@
# chips. The defaults for each parameter are next to the parameter
# name in the above list.
# BME280 two wire interface (I2C) environmental sensor. Note that this
# sensor is not intended for use with extruders and heater beds, but rather
# for montitoring ambient temperature (C), pressure (hPa), and relative
# humidity. See sample-macros.cfg for a gcode_macro that may be used to report
# pressure and humidity in addition to temperature.
#[temperature_sensor my_sensor]
# See the "temperature_sensor" section below for a description of its
# parameters. The parameters below describe BME280 sensor parameters.
#sensor_type:
# Must be "BME280"
#i2c_address:
# Default is 118 (0x76). Some BME280 sensors have an address of 119 (0x77).
#i2c_mcu:
# MCU the sensor is connected to. Default is the primary mcu.
#i2c_bus:
# The I2C bus the sensor is connected to. On some MCU platforms the default
# is bus 0. On platforms without bus 0 this parameter is required.
#i2c_speed:
# The I2C speed (in Hz) to use when communicating with the sensor. Default
# is 100000. On some MCUs changing this value has no effect.
# Common temperature amplifiers. The following parameters are
# available in heater sections that use one of these sensors.
#[extruder]