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Diode component (for making a matrix of switches) #349

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gmeader opened this issue Apr 27, 2022 · 7 comments
Open

Diode component (for making a matrix of switches) #349

gmeader opened this issue Apr 27, 2022 · 7 comments
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enhancement New feature or request open for vote Vote at https://wokwi.com/features

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@gmeader
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gmeader commented Apr 27, 2022

I'd like a diode component - needed to create a matrix (rows and columns) of pushbuttons, where more than one button can be active at the same time.

(I'm using the keypad matrix for now, but I need a different configuration - different numbers of switches placed in different locations.
I guess an alternative to implementing a diode would be to add a keypad (or more attributes to the current keypad) that is visually separable into individual switches with a configurable number of rows and columns driving the matrix.

Here's info about this use case:
(https://arduino.stackexchange.com/questions/66691/which-kind-of-diodes-i-should-use-in-buttons-keys-matrix-input-making-gaming-k

@gmeader gmeader added the enhancement New feature or request label Apr 27, 2022
@urish urish added the open for vote Vote at https://wokwi.com/features label Apr 27, 2022
@urish
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urish commented Apr 27, 2022

Thanks! I opened this for voting.

As far as I can tell, the Keypad Matrix does not have any diodes, so you'd still need the diodes even if you used it.

@GModal
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GModal commented Dec 19, 2023

I've written a Digitech FS300 footswitch - to - pi pico MIDI controller, and a diode would be very helpful. The code works, but could use a little refinement.

The FS300 uses a stereo cable (tip-ring-gnd), two diodes and three foot switches...the logic separating three switches ->into-> two GPIO inputs cannot be simulated without the diodes.

@urish
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urish commented Jan 2, 2024

Hi @Phetdanai, you keep adding comments that are not related to the topic of the issue. Can you please stop?

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enhancement New feature or request open for vote Vote at https://wokwi.com/features
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@urish @gmeader @GModal and others