Add application notes for Harp SoundCard and Harp StepperDriver

[banchan86]

Requirements:

Soundcard

• How to update and play waveforms in Bonsai, without using the Harp SoundCard GUI
• How to generate the waveforms themselves in Bonsai

StepperDriver

• Position set and speed set
• How to implement quick retract

[banchan86]

Previous discussions:

• Proposal for site reorganization and revamp #23
• Documentation development roadmap device.soundcard#27

Although we likely don't have time to set up a full guide, the examples will probably need some basic scaffolding, like a "Getting Started" article. We can scope this based on time and expand on this scaffold in the future.

Another point to consider is where to put these application notes. There is an existing "Tutorials" section of the website that only covers the Harp Hobgoblin so far, but the format might end up being quite different. We could create a new "Guides" or "Examples" section, keeping in mind people's expectations for each label.

[banchan86]

SoundCard Setup Notes:

• Harp SoundCard GUI - there are two versions of the GUI, v1.2.1 on the device README and v1.3.2 at CF Hardware and Software Platform. We probably won't feature the GUI, but if we include the README.md in a "Getting Started" article, we should probably update the link to align the two.

• Binding WinUSB driver - I had trouble installing the WICD driver on both Windows 11 Home and Pro, with it not properly binding (device manager still shows the SoundCard as not installed properly despite Zadig reporting it a success). Switching to the non-WICD version works (it still recognizes the device on reboot/replug). I do not know if this is a common issue or just specific to my setup, but if it is, we should probably also update the instructions in the README for the same reason above.

[banchan86]

@bruno-f-cruz keeping you in the loop!