I've been thinking about adding limited audio to my designs. Things like audio effects, chimes, alarms etc. Ideally I would like something that I can control using I2C, because my basic design uses I2C for various expansion modules, though I could use a GPIO/I2C expansion module as an intermediary.I came across these devices: http://www.nuvoton.com/hq/products/isd-voice-ics/isd-chipcorder-family , the ISD2130 in particluar looks like it might fit the bill. The great thing about them is that they are apparently a one-chip solution. Does anyone have any experience of using them, or suggestions for alternatives - doesn't need to be one-chip.
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My favorite
is the DFPlayer Mini MP3, easy to use, easy to solder, cheap and includes micro sd slot and amplifier
Mark,
How do I load audio onto these and program the macros? i.e. what hardware do I need? It seems like they are programmed using SPI via the nuvoton USB dongle, is that correct?
The most likely other alternative I would go for would be some variation of this https://circuitdigest.com/microcontroller-projects/arduino-audio-music-player though I would want avoid using a SD card module and build it directly on to my circuit board instead.
I will probably try both.
- Paul
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Silicon Chip Magazine in Australia just published a very interesting and small modular design using a PIC32 which may suit your application. You can view a preview of their article here.
Hope it helps with your design J
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