Gabriel Pauchard
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
History
- backligt gets on if input is made and switches off after 5s; - sleeptimer is now working correctly; - new Fonts
2016-01-05, by gaebu [Tue, 05 Jan 2016 11:17:59 +0000] rev 2
- backligt gets on if input is made and switches off after 5s; - sleeptimer is now working correctly; - new Fonts
changes:; - added sleeptimer; - improvements in 'checkbutton()', detecting press and long press
2014-08-26, by gaebu [Tue, 26 Aug 2014 21:32:24 +0000] rev 1
changes:; - added sleeptimer; - improvements in 'checkbutton()', detecting press and long press
first version, see description
2014-01-21, by gaebu [Tue, 21 Jan 2014 12:35:29 +0000] rev 0
first version, see description