The project is for a simple MP3 player using a Microchip PIC, the choice of PIC should be low cost but has to be Microchip and no other manufacturer. The player should play sound samples, mainly speech stored in files on a micro SD card. The supply rail should be 5V for interfacing purposes. It should have a TTL serial interface, 9600 baud. The file to play will be selected by a serial command such as "Play 1 cr lf" where 1 the name of track 1. The track name can be anything alpha numeric with up to 30 char. When playing the serial interface should reply "playing cr lf" at intervals, when complete and at all other times when no track is playing should report "stopped cr lf"
The requirement is for mono only, this is for announcements not entertainment. Line level will be acceptable 100mV or 1V.
It should be able to handle no sd card present, no files on the sd card with error messages.
28 freelancers are bidding on average £697 for this job
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