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aht10: update comments and docs for AHT20/AHT21 support 

The control bytes for the AHT20 and AHT21 are identical to the AHT10, but I had not been able to test just yet to ensure the sensor code supported the other sensors. I've wrapped up testing and updated the comments/docs to reflect this additional support.

Signed-off-by: Scott Mudge <mail@scottmudge.com>
This commit is contained in:
Scott Mudge 2023-04-21 09:38:44 -04:00 committed by KevinOConnor
parent 5a49372dec
commit 10e816979e
2 changed files with 6 additions and 3 deletions
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5
docs/Config_Reference.md
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@ -2375,9 +2375,9 @@ sensor_type: BME280
# above parameters. # above parameters.
``` ```
### AHT10 temperature sensor ### AHT10/AHT20/AHT21 temperature sensor
AHT10 two wire interface (I2C) environmental sensor. AHT10/AHT20/AHT21 two wire interface (I2C) environmental sensors.
Note that these sensors are not intended for use with extruders and Note that these sensors are not intended for use with extruders and
heater beds, but rather for monitoring ambient temperature (C) and heater beds, but rather for monitoring ambient temperature (C) and
relative humidity. See relative humidity. See
@ -2386,6 +2386,7 @@ that may be used to report humidity in addition to temperature.
``` ```
sensor_type: AHT10 sensor_type: AHT10
# Also use AHT10 for AHT20 and AHT21 sensors.
#i2c_address: #i2c_address:
# Default is 56 (0x38). Some AHT10 sensors give the option to use # Default is 56 (0x38). Some AHT10 sensors give the option to use
# 57 (0x39) by moving a resistor. # 57 (0x39) by moving a resistor.

4
klippy/extras/aht10.py
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@ -1,4 +1,4 @@
# AHT10 I2c-based humiditure sensor support # AHT10/AHT20/AHT21 I2c-based humiditure sensor support
# #
# Copyright (C) 2023 Scott Mudge <mail@scottmudge.com> # Copyright (C) 2023 Scott Mudge <mail@scottmudge.com>
# #
@ -9,6 +9,8 @@ from . import bus
###################################################################### ######################################################################
# Compatible Sensors: # Compatible Sensors:
# AHT10 - Tested w/ BTT GTR 1.0 MCU on i2c3 # AHT10 - Tested w/ BTT GTR 1.0 MCU on i2c3
# AHT20 - Untested but should work
# AHT21 - Tested w/ BTT GTR 1.0 MCU on i2c3
###################################################################### ######################################################################
AHT10_I2C_ADDR= 0x38 AHT10_I2C_ADDR= 0x38