AlarmClock

Arduino based alarm clock with wake up light

Features

• 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)

Hardware

• 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