From: Tuxic via rockbox <rockbox_at_lists.haxx.se>
Date: Sat, 08 Apr 2023 13:52:39 +0000

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
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Received on 2023-04-08