DIY alarm clock
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Alarm clock

Arduino alarm clock with binary matrix LED display and IR remote control.

Features

  • 8×8 LED display using two 74HC595N
  • hour-minute-second binary display
  • buzzer alarm
  • IR remote control for settings and stopping alarm
  • big pushbutton for stopping alarm
  • light sensor for dimming display

TODO

  • supercapacitor & low-voltage detection
  • casing
  • multiple alarms
  • better LED dimming (maybe use PWM on 74HC's OE)
  • date (at least weekday)
  • connection with online timetable?
  • progressive alarm ringing

License

GNU AGPL v3, CopyLeft 2022 Pascal Engélibert

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, version 3 of the License.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with this program. If not, see https://www.gnu.org/licenses/.