Scheduling Music Player

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Scheduling Music Player

Summary    Scheduling Music Player with time/date schedule and network update
Customer    -
Time    3 months
Components    H0420 MP3 controller; H0418F/2 Ethernet extension board; OLED display; embedded script (pawn)
Description    A digital music player for background music in public areas. The music selection can be programmed and scheduled in various ways, and be based on date and time schedules. For example, the music player can select gradually more Christmas songs starting from the first of December and abruptly stop selecting Christmas songs after the 26th of December. The music player keeps all music on a strongly encrypted SD/MMC card (128-bit key). Updates to the music tracks or the schedule are done by either exchanging the SD/MMC card or by scheduled updates over the network (e.g. Internet).
This is the successor of an earlier digital music player.

Front view of the digital music player - two illuminated touch switches and an OLED display

The electronic boards, just prior to assembly of the music players

The last step in product design: EMC (pre-)compliance testing in a screened chamber

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