I'm a MIDI CPU owner, and used it to customize a MIDI controller (switches and pots in; MIDI control data out). Awesome!
I am interested in a MIDIWidget, but could someone give me some real-world examples of what some typical applications for it be?
As you may already know, the MIDIWidget is almost the opposite of the MIDI CPU.
The MIDIWidget can take the MIDI messages that come from any source (a MIDI CPU or other MIDI controller, a computer or iPad) and translate them into simple on/off electrical signals.
Most of the projects discussed in the MD24 and MSA forums are also possible with the MIDIWidget. The MIDIWidget has a combination of functionality from both of the older products.
Here are some possibilities:
Robotic musical instruments
You send the MIDIWidget a MIDI note, and it generates an electrical pulse to to trigger solenoids or relays that cause mechanical things to happen. Here's a wiring diagram. The pulse can be the duration of the MIDI note, or you can make it a fixed length of your choosing, down to a millisecond.
Multiply that by 24 outputs, and you can have a variety of mechanisms all being synchronized by a MIDI sequencer.
This robot marimba was made using the MD24, and is equally possible with the MIDIWidget:
Light control or general-purpose relay control
Similar to the above, but the result doesn't have to be a robot. It can be anything that is controlled with an electrical relay.
Here are some MIDI controlled lamps! This project was built with an MSA and an off-the-shelf relay pack, but is equally possible with the MIDIWidget:
Guitar amp and effect switching (aka patching)
The MIDIWidget can control an array of DPDT relays that switch effects loops on/off. It can also control some amps that require simple on/off footswitch input.
Since the MIDIWidget can store a collection of output states in a "preset", you can recall specific patterns of loop and amp settings with a single MIDI command. This can be useful for live performance.
Here's an example. Again, built with an MSA, but the design can be adapted to the MIDIWidget.
Studio recording lights or other DAW status indicators
DAW software often sends MIDI events when certain software states are enabled. The MIDIWidget allows these to be used for lights or indicators away from the computer.
Here's one, built with the MSA, but could be done with the MIDIWidget:
Retrofits for vintage drum machines or other instruments
This depends heavily on the instrument in question, but the 5V trigger signal from the MIDIWidget can often trigger sounds on older instruments (some surgery on the instrument is usually required).
MIDI-to trigger or MIDI-to-sync conversions
Again, useful for things like drum machines or modular synthesizers.
Here's a DIY Eurorack module based on the MD24:
If you want to discuss the approach for any category in more detail, I'd be glad to discuss further.
Last edited by John; 02-20-2015 at 08:32 PM.
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