China-MP3-Player von ebay auf repeat? Gibt es noch andere Anforderungen? Auto-play nach dem Einschalten oder so?
Hey followers. Cheapest way to play an 1hr audio loop, with analog output?
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Guter Ansatz!
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What quality do you need. How many will you deploy? The cheapest sub-$1 AVR or PIC with an external SPI flash chip may do the job.
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I'm going for surplus USB MP3 players at €4/piece.
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What format has the audioloop? I'd say the cheapest might be this stuff https://www.ebay.de/itm/Portable-Radio-Mini-Audio-Musik-MP3-Player-USB-Wireless-TF-AUX-Mit-LED-Licht-MP3/302512271782?hash=item466f22f1a6:g:Ev4AAOSwVNxZ~Bw0 …
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Autoradio im alten VW Diesel (der kein Update mehr bekommt) laufen lassen, bis die Batterie leer ist.
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90 Minute tape on auto revert (darn, I feel old)
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ich habe hier noch einen alten MP3-player. Pro Stunde 50 MB. Ein paar GB hat der wohl....
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Way too many. Do you need remote control/play pause? High audio quality? Single or large quantity? Should run for a weekend, or high reliability fixed install to work for a decade?
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Old/used CD player on loop comes to mind.
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mp3 player?
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There are really cheap MP3-Player Chips you can connect to an Arduino to control it.
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