Create project Need help?
Guy Weiler

Efficient alarm clock with low electromagnetic radiation, big display and music player

Status: Proposal
2400
7
votes
August 31, 2015 , Latest update: November 24, 2016
1clock.png
Features: - capacitive power supply to reduce electric smog - big and efficient 1.2" 4-digit 7-segment display (I2C) - Teensy 3.1 board with 12 Bit DAC (SD-card wav player) and internal RTC - efficient I2C class D amplifier (89% efficient with 8Ω speaker at 1.5 Watt) - DCF77 receiver - two rotary Encoder with switch for easy and intuitive control - state machine programmed with arduino (teensyduino) for easy changments in the software More Infos on: weigu.lu/b/alarmclock
Read the full post
Show less
Images
Schematics
PCBs
  • (112 KB )

Loading comments...