ESP8266 code to run a simple alarm clock, running on Brian Lough's alarm clock kit, which is available from Tindie.
This is StarSoftAnalysis's version of the software, based on Brian's, and incorporating features from James Brown's fork.
Copyright 2021 Chris Dennis
This file is part of AlarmClock.
AlarmClock is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
AlarmClock 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with AlarmClock. If not, see <https://www.gnu.org/licenses/>.
- Gets the current time from the internet using the network time protocol, automatically adjusting for daylight savings in the local timezone.
- Set the timezone via the web page.
- Seven separate alarms -- one for every day of the week.
- Colon flashes every second, but stays on if the next alarm is set.
- RTTTL alarm melody: set your own tune via the web page.
- Volume control via the web page.
- OTA software updates.
- Set alarm (and time) via the buttons.
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Initially, or when no known WiFi networks are available, the clock will run as a separate WiFi network called "Alarm Clock", and its interface will be available as http://192.168.4.1. Connect to that network, and browse to that page and enter your WiFi details. After that, the clock will connect to your network, and try to update the time via NTP. For further information on this process, see the documentation for the WiFiManager library.
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When the clock has connected to your network, it will display the last digit of its IP address for a few seconds. For example, if the clock gets IP address 192.168.1.55, it will display '55'. It will also display this number after the 'boot' message each time it is connected to the power supply.
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Browse to the alarm clock's webpage: setting the alarm for each day of the week is easy.
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You can paste in the RTTTL code for a different melody of required -- melodies can be found on the web (Picaxe, for example), or you can create your own. To test the melody, copy-and-paste it into a site such as Adam Rahwane's.
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Choose your timezone from the list on Wikipedia.
The code includes the following libraries:
| Library | Description |
|---|---|
| ESP8266WiFi | |
| WiFiClient | |
| ESP8266WebServer | |
| ezTime | Library used for getting the time and adjusting for DST Search for "ezTime" in the Arduino Library manager https://github.com/ropg/ezTime |
| TM1637Display | Library used for controlling the 7 Segment display Search for "TM1637" in the Arduino Library manager https://github.com/avishorp/TM1637 |
| ArduinoJson version 6 | |
| WiFiManager | Library used for creating the captive portal for entering WiFi Details Search for "Wifimanager" in the Arduino Library manager https://github.com/tzapu/WiFiManager |
| ESP8266RTTTLPlus | Non-blocking RTTTL player with volume control. |
- The web page uses jQuery, Font Awesome, and Bootstrap 4 CSS, which it accesses directly from https://code.jquery.com/jquery-3.3.1.slim.min.js, https://use.fontawesome.com/releases/v5.8.2/css/all.css, and https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css respectively.