This firmware drives a RGB LED ring and a capacitive touch keyboard using the WEMOS D1 mini micro controller. It is meant to provide light below a CNC milling motor. However, it can be also used sa decorative light.
The device can be either in light or WiFi mode. Not both at the same time.
-
Multiple light modes
- multiple color modes
- R, G, B, W, Rainbow, Theater Chase ...
- on/off and brightness adjustment
- angle based mode
- arc length can be in-/decreased
- arc can be rotated
- multiple color modes
-
Can be accessed by WiFi
- acts as WiFi access-point until WiFi is configured
- configuration is done via HTTP
- once connection to AP is established the WiFi AP is deactivated
- in WiFi mode this is possible
- firmware upload & flash
- get device status
-
Keyboard Layout
| W | ↑ | R |
| ← | ↲ | → |
| G | ↓ | B |
| ⏻ | ☀ | ☼ |
corresponds to
| symbol | on press | on double press | on long press | on extra long gpress |
|---|---|---|---|---|
| W | white | max brightness | full circle | - |
| R | red | max brightness | full circle | - |
| G | green | max brightness | full circle | - |
| B | blue | max brightness | full circle | - |
| ↑ | increase arc | - | - | - |
| ↓ | decrease arc | - | - | - |
| ← | turn arc left | - | - | - |
| → | turn arc right | - | - | - |
| ↲ | next cpolor mode | - | - | switch to WiFi mode |
| ⏻ | lights on/off | - | - | - |
| ☀ | darker | - | - | - |
| ☼ | brighter | - | - | - |
- WEMOS D1 mini
- MPR121 capacitive touch keyboard
- Adafruit NeoPixel (or similar RGB LED ring/strip)
| WEMOS D1 mini | Keyboard | LED |
|---|---|---|
| D1 (SCL) | SCL | SCL |
| D2 (SDA) | SDA | SDA |
| 3V3 (3.3V) | VCC | - |
| 5V (5V) | - | - |
| - | - | VCC (external 5V) |
| G (ground) | GND | GND |