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readme.md | ||
usermod_bh1750.h |
BH1750 usermod
This usermod will read from an ambient light sensor like the BH1750.
The luminance is displayed in both the Info section of the web UI, as well as published to the /luminance
MQTT topic if enabled.
Dependencies
- Libraries
claws/BH1750 @^1.2.0
- This must be added under
lib_deps
in yourplatformio.ini
(orplatformio_override.ini
).
- Data is published over MQTT - make sure you've enabled the MQTT sync interface.
Compiliation
To enable, compile with USERMOD_BH1750
defined (e.g. in platformio_override.ini
)
[env:usermod_BH1750_d1_mini]
extends = env:d1_mini
build_flags =
${common.build_flags_esp8266}
-D USERMOD_BH1750
lib_deps =
${esp8266.lib_deps}
claws/BH1750 @ ^1.2.0
Configuration Options
The following settings can be set at compile-time but are configurable on the usermod menu (except First Measurement time):
USERMOD_BH1750_MAX_MEASUREMENT_INTERVAL
- the max number of milliseconds between measurements, defaults to 10000msUSERMOD_BH1750_MIN_MEASUREMENT_INTERVAL
- the min number of milliseconds between measurements, defaults to 500msUSERMOD_BH1750_OFFSET_VALUE
- the offset value to report on, defaults to 1USERMOD_BH1750_FIRST_MEASUREMENT_AT
- the number of milliseconds after boot to take first measurement, defaults to 10000 ms
In addition, the Usermod screen allows you to:
- enable/disable the usermod
- Enable Home Assistant Discovery of usermod
- Configure the SCL/SDA pins
API
The following method is available to interact with the usermod from other code modules:
getIlluminance
read the brightness from the sensor
Change Log
Jul 2022
- Added Home Assistant Discovery
- Implemented PinManager to register pins
- Made pins configurable in usermod menu
- Added API call to read luminance from other modules
- Enhanced info-screen outputs
- Updated
readme.md