[sdiy] Who apart from me things the whole MIDI board needs replacing ?

Vladimir Pantelic vladoman at gmail.com
Wed Jan 26 11:59:30 CET 2022

On 26.01.22 11:53, Mattias Rickardsson wrote:

> In Elektron's Model series of instruments we implemented the TRS MIDI In
> to accept any polarity (passively, using diodes!), and a setting in the
> UI chooses between the two polarities for the TRS MIDI Out. Has this
> been done anywhere else? I've always felt that it perhaps should be
> published as an official application note, a suggested implementation
> superpower for other manufacturers to pick up. :-)

in a Eurorack module I helped design, we used a bridge rectifier in the
input to accept A or B and an SMD DPDT switch on the back to select the
output polarity.

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