Arduino based alarm clock with wake up light
- Two individually configurable alarm times
- 15 minutes before alarm, the power-LED is slowly ramped on
- LED wake up color is configurable by the user
- Slowly rising acoustic alarm
- Temperature and air pressure trend for the last 8 hours
- Display brightness is automatically reduced in the dark (LDR)
- Power fail safe (battery buffered RTC)
- atmega328 @ 16MHz
- 2.8" SPI TFT Screen (320x240) with ILI9331 controller
- DS3231 battery buffered RTC with I2C interface
- BMP180 temperature / pressure sensor with I2C interface
- High Power RGB-LED (~4.5W)
- Eagle files / part list included