alarmclock with 2 alarm times, 128x64 LCD with KS0108, displays time / time&date / a menu to change time & alarms, rotary encoder with push button, relay which switsches on a hi-fi system or something else, a 1F- Cap as a backup supply
Alarmclock
features:
- alarmclock with 2 alarm times
- 128x64 LCD with KS0108
- displays time / time&date / a menu to change time & alarms
- sleeptimer, relay is switched of when timer runs out
- rotary encoder with push button
- relay which switsches on a hi-fi system or something else
- a 1F- Cap as a backup supply
todo/ desired improvements/ known issues:
- a more precise real time clock would be nice
- a speaker or beeper directly connected to the mbed
- there is a bug where the big font is not displayed correctly
Schematic:
/media/uploads/gaebu/alarmclock_mbed_128x64.pdf
Changes
Revision | Date | Who | Commit message |
---|---|---|---|
2:fbf734bc04de | 2016-01-05 | gaebu | - backligt gets on if input is made and switches off after 5s; - sleeptimer is now working correctly; - new Fonts |
1:8a7f4f79f84d | 2014-08-26 | gaebu | changes:; - added sleeptimer; - improvements in 'checkbutton()', detecting press and long press |
0:62a6f55722d9 | 2014-01-21 | gaebu | first version, see description |