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alarm-clock-v3

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bfrigon/alarm-clock-v3

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Files for version 1. Choose the source project or an available generated package.

Source package

Original hardware design source archive

Original KiCad project zip640 KB

Fabrication package

Gerbers and drill, pick-and-place, DRC report, and the 3D model

Gerbers and drill zip206 KBGerbers and drill zip: alarm-switch14 KBGerbers and drill zip: daughterboard117 KBGerbers and drill zip: display-adapter26 KBGerbers and drill zip: front-panel58 KB

Review package

Schematics, PCB views, BOM, and extracted files

PCB SVG563 KBPCB SVG: alarm-switch49 KBPCB SVG: daughterboard442 KBPCB SVG: display-adapter97 KBPCB SVG: front-panel219 KB

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https://boardrepo.com/bfrigon/alarm-clock-v3

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README

alarm-clock (V3)

Project page here

Specs

  • Arduino based design using the ATMEGA2560 MCU.
  • Plays MP3/WAV files from a SD card.
  • WiFi connectivity (802.11 b/g/n)
  • Automatic clock synchronization using NTP
  • Send alarm state to Home Assistant via MQTT
  • Large RGB seven segment display
  • 16x2 character LCD display
  • Night lamp
  • Touch keypad
  • 24h battery backup

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Home Assistant

The clock can send the alarm switch state and next alarm timestamp to Home Assistant via MQTT. This allows to run home automations based on the alarm time. It also sends other data such as WiFi signal strength, power state, battery voltage and remaining capacity.

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