That was ridiculously cool! I’m wondering (as someone with little electronics experience) how challenging it would be to convert that signal into something you could read from a computer. Could it be faster than a keyboard or a mouse? Could you use it like an analog stick?
I’m aware that there are a variety of setups to get information out of electrodes on the skin in various places (and maybe I recall seeing a video of a mind-controlled wheelchair?), but I’m not sure what the stumbling block is for turning this technology into a product outside prosthetics.
It probably wouldn’t be that hard to make it computer-readable. All you’d need is a stock-standard analog-to-digital converter (ADC).
In fact, since that thing seems to use standard 3.5mm audio plugs, there’s even a good chance that it might already be computer-readable if you just plug it into a standard 3.5mm microphone port (which have ADCs in them already). You’d just have to make sure that the voltage range is right.
Even better, it is eurorack system which means that voltages are standardized! -5v to 5v for audio signals and -2.5 to 2.5 for control (CV) signals. There is ready made modules for computer interface already (usually in midi.. which doesn’t map entirely to CV control scheme), but making something totally custom shouldn’t be hard.
There are tons of CV-MIDI modules out there for eurorack, and with MIDI 2.0 you can get the same resolution as Control Voltage
No need to reinvent the wheel, no need to stack crapload of Raspberry PIs and Arduinos, no need to write the software conversion in NodeJS and so on