more like 5 minutes. So far it's only a design draft. From what i can tell... mixed signal circuit board with high noise digital components, as well as very low noise ADC's. The number of caps on the draft is not even close to what i'd recommend. I don't see any RF shields. Putting 3 antennae ontop of each other and ontop of the PCB, questionable choice. LED and vibration motor will empty the battery in a matter of minutes. Same goes for all the big modules, doubt they all support the required low power mode to keep the thing off the charger for long enough.
All the design problems aside, the EMG part seems interesting. Most of the other electronic in it will probably only cause trouble due to its complexity. Let's observe and learn.
Isn't a 3-pin EMG relatively worthless? I don't know anything about that stuff, but I think 3 pins somewhere in your arm don't really give you that much knowdlege.
the further you get away, the worse. But even if you place electrodes on the skin over a muscle you can get usable readings. That part of the concept is pretty ok and a good way to get data into your implant. By activating a single muscle you could communicate with morse code. execute simple commands etc.
Comments
All the design problems aside, the EMG part seems interesting. Most of the other electronic in it will probably only cause trouble due to its complexity. Let's observe and learn.