[sdiy] Why did this 100pF capacitor fix the SPI bus?

Spiros Makris spirosmakris92 at gmail.com
Mon Feb 22 06:59:31 CET 2021


Turns out you all were right. I had him remove the capacitor and try out
the other 3 SPI modes, eventually, he found the one that worked.
Amazing how a breadboard can skew your results, isn't it?

On Tue, 16 Feb 2021 at 18:12, Tom Wiltshire <tom at electricdruid.net> wrote:

>
>
>
> On 16 Feb 2021, at 16:06, Richie Burnett <rburnett at richieburnett.co.uk>
> wrote:
>
> There are 4 different SPI modes, (0,0) (0,1) (1,0) (1,1).  Make sure both
> ends of the link are set up for the same mode.
>
>
> I think I *always* get this wrong before I get it right!
>
> Tom
>
> ==================
>        Electric Druid
> Synth & Stompbox DIY
> ==================
>
>
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