From: Tuxic via rockbox <rockbox_at_lists.haxx.se>
Date: Sat, 08 Apr 2023 14:22:31 +0000

Hi,

what about this kind of board:

https://docs.ai-thinker.com/en/esp32-audio-kit
https://de.aliexpress.com/w/wholesale-ESP32%2525252dAudio%2525252dkit.html
(not meant as advertising...just a quick search on Aliexpress)

Cheers,
mcc

Am 08.04.2023 15:52 schrieb Tuxic via rockbox:
> Hi,
>
> I took a look at the specs of that board.
> It may be that at a clock speed of 480Mhz the power
> comsumption is too h igh for a mobile device?
> Forthermore I saw a DAC spec of 12bit only...
>
> Cheers!
> mcc
>
> Am 07.04.2023 08:27 schrieb Tuxic via rockbox:
>> Hi,
>>
>> to answer my own question:
>>
>> https://midiamsterdam.nl/electrosmith-daisy-seed.html
>> https://schneidersladen.de/de/electrosmith-daisy-seed
>>
>> Cheers,
>> mcc
>>
>>
>> Am 06.04.2023 19:31 schrieb Solomon Peachy via rockbox:
>>> On Sat, Apr 01, 2023 at 08:17:51AM -0400, David Mehler wrote:
>>>> Solomon, from what your saying it definitely sounds like a lot of
>>>> effort for a gasping player if the ESP32 was chosen, which is well
>>>> over-my-head now, and I wouldn't want something gasping.
>>>
>>> This is a really cool board I found:
>>>
>>> https://www.electro-smith.com/daisy/daisy
>>>
>>> It's intended for use in musical instruments / effects processors,
>>> and
>>> is a completely open design, with full schematics and all source code
>>> available on github.
>>>
>>> It has an STM32H7 (single core Cortex-M7 _at_ 480MHz), 64MB off-chip
>>> DRAM,
>>> 8MB off-chip QSPI flash, and an WM8731 audio codec (24bit _at_ 96KHz)
>>> with
>>> line in & out brought to a header.
>>>
>>> It lacks a SD card slot, display, audio jacks, buttons, and any sort
>>> of
>>> battery/power management (It can run on 4-17V though). The codec
>>> includes a headphone amp but those pins aren't connected.
>>>
>>> There's plenty of available I/O left for buttons and hooking up a
>>> display.
>>>
>>> As well as the off-chip ram & flash, the processor likely has >512K
>>> of
>>> fast onboard SRAM and >1MB flash. So this thing has plenty of oomph
>>> and
>>> is easily capable of running fully-featured, no-compromise Rockbox,
>>> and
>>> at $30 in single-unit quantities is pretty cheap for what it is.
>>>
>>> Anyone interested in a cool HW project? :D
>>>
>>> - Solomon
>>> --
>>> Unsubscribe: http://lists.haxx.se/cgi-bin/mailman/listinfo/rockbox
>>> FAQ: http://www.rockbox.org/twiki/bin/view/Main/GeneralFAQ
>>> Etiquette: http://www.rockbox.org/mail/etiquette.html
>> --
>> Unsubscribe: http://lists.haxx.se/cgi-bin/mailman/listinfo/rockbox
>> FAQ: http://www.rockbox.org/twiki/bin/view/Main/GeneralFAQ
>> Etiquette: http://www.rockbox.org/mail/etiquette.html
> --
> Unsubscribe: http://lists.haxx.se/cgi-bin/mailman/listinfo/rockbox
> FAQ: http://www.rockbox.org/twiki/bin/view/Main/GeneralFAQ
> Etiquette: http://www.rockbox.org/mail/etiquette.html

--
Unsubscribe: http://lists.haxx.se/cgi-bin/mailman/listinfo/rockbox
FAQ:         http://www.rockbox.org/twiki/bin/view/Main/GeneralFAQ
Etiquette:   http://www.rockbox.org/mail/etiquette.html

Received on 2023-04-08