Digi-Gurdy Production Version Overview
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- Опубликовано: 30 июл 2024
- www.digigurdy.com This is no longer a hobby as I have started a small business to sell these MIDI enabled Hurdy Gurdys or Digi-Gurdys.
Designed to give maximum possible performance for a reasonable price.
I have been working on these as a hobbyist for nearly three years. This version has been designed in conjunction with Jaap Brand who is well known for his NerdyGurdy project and and also Basil Lalli who has rewritten my original software and made it much better.
Do not be deceived by the apparent simplicity, many hundreds of hours of work have gone into this project :)
Main features:
- Laser cut birch ply construction, resistant to temperature and humidity changes = less chance of keys sticking.
- Custom designed printed circuit board.
- Lightly sprung keys.
- Crank handle is made of metal.
- Crank shaft perfectly straight (precision ground 8mm rod).
- Drum brake mechanism which is user adjustable, simulates the friction of the string rubbing against the wheel.
- OLED screen.
- Preset tunings for beginners, with option to add your own custom preset tunings to the memory. These will then be remembered and still be available the next time it is powered up.
- Huge number of potential tunings, including some that may not be available on real hurdy gurdys.
- Extra buttons allowing your selected tuning to be shifted up or down in semitone increments.
- Capo On/Off button.
- Three access hatches on the underside. The design is modular and each part such as the screen or a control knob are connected to the circuit board by easy to reach plugs.
- Software updates can be loaded in one of two ways. (i) You can do this yourself if you are familiar with the Arduino type of hobby microcontrollers. (ii) You can reach inside, unplug the small computer and mail it to me for an update.
The MIDI output is via USB cable to an attached iPad, iPhone, Android phone or PC running suitable software.
I personally use an iPad running Bismarck bs-16i software (about $8 on the app store). This allows the volume of each string or sound to be individually adjusted with an on-screen slider.
The connected phone/iPad/PC generates the audio from a bank of sound files called a Soundfont.
In addition the MIDI output can be sent wirelessly to the paired device such as an iPad, using a Bluetooth MIDI transmitter module such as the WIDI-master module. This plugs into the standard 5 Pin MIDI-out socket provided on the top deck of the Digi-Gurdy. In this wireless mode, you would power the Digi-Gurdy internally from the mobile phone power bank module provided for you embedded inside the left hand end of the gurdy. 
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This is wonderful, John. I bought one of your earlier aluminum gurdies. I hope to buy one of these in the future. Thank you for your work on this!
Ah a very early adopter. You are in possession of a rarity !
this is SO COOL!!!!!! holy moly.
John, this is absolutely brilliant and I look forward to ordering this updated version (I have your first iteration), in the very near future!!! Your engineering prowess continues to amaze me, no matter the undertaking!!!
Awesome, thank you!
Actually I find all my crazy projects are a learning curve and they feed into each other so even the failed projects are not a waste of time in the long run.
Well done John! Looking good 🎶
Thanks for your advice a while ago :)