This Homie V3 standard compitble device provide you a Internet of Things enabled LED lamp. It can control a dimmable (e.g. white) LED [via D2]. Additionally colored LEDs can be added, for now WS2812 LEDs are supported [via D1]. The complete RGB LED strip can be controlled, or each lamp individually.
Via an external switch [via D0] the white LED can be switched on, or off. The lamp will dim between the states using its PWM functionality. Pressing this switch until all colored LEDs are red, will reset the current stored configuration. (The button can be deactivated in the firmware with -D NOBUTTON)
Homie for ESP8266 (e.g. nodemcu)
See https://github.com/homieiot/homie-esp8266
Development-Setup:
- platformio
- Build environment (apt install build-essential)
- git (apt install git)
- Visual Studio Code See: https://code.visualstudio.com/docs/?dv=linux64_deb
Search for the following extension in Visual Studio Code:
- PlatformIO
And the following Librarys in Visual Studio Code:
- Neo Pixel (from Adafruit)
Not working
Compiler generates unbootable image.
Workaround:
- Generate Ubuntu VM and follow setup above inside
- copy
firmware.binfrom VM to Windows - Install python & pip
pip3 install esptool./esptool.py.exe write_flash 0x0000 firmware.bin
- File
- Open Workspace
- Select the file in this repository: WIoLight.code-workspace
Use the config-example.json from the host folder and create here a config.json file.
Start Platform.io
Open a new Atom-Terminal and generate the filesystem with the following command :
pio run -t buildfs
Upload this new generated filesystem with:
pio run -t uploadfs
- D1: WS2812 RGB LEDs
- D0: Button
- D2: N-Channel Mosfet (e.g. LL2705)
- D7: One-Wire temperature sensor (DS 18B20)
Must be activated in the firmware with TEMP_ENABLE
- D6: IR PIR motion sensor (needs pull-down resistor)
Must be activated in the firmware with PIR_ENABLE
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