Preface: I have no idea how to design implants. I’m just posting this idea because it seems possible, and I don’t have other friends who I could pester and discuss this with for longer than a few seconds…
So I don’t know what amal coats these things in, but the day after I got my implant implanted I was motivated to design my own implant, my main bit of inspiration was this video by grindhouse wetware which included an update of a North Star version 2 implant at around 42 seconds in. I currently use a Mi Band 4 as my watch but I wondered if I would be able to replace it with an implant with similar functionality so I don’t have to wear any “jewelry”, I came up with the following:
Something like an espruino MDBT42Q module (not sponsored lol I just think these are really cool) which is tiny, power efficient, and can easily be wirelessly programmed and debugged through bluetooth low energy for the brains. To it you can connect some extra sensors like accelerator/gyro for gestures, (to turn on the display) etc. and I don’t know how they work exactly but a heartrate detector to get on par with a smart watch, not to mention the module has a built in thermometer and can even be used as an NFC tag as long as an antenna is provided.
Batteries and Charging
For the batteries I don’t know what would work, in the grindhouse wetware video I think I can see a lithium-ion battery in the implant but I’m not entirely convinced about the safety of this, but then again I have no idea what other kinds of battery there are other then “the 1.5v cylinder kinda ones” and “lithium-ion” sooo this is something I’d appreciate input on.
The North Star v2 has wireless charging which is (probably) how all implants with batteries should charge, maybe somehow you could have some sort of USB-C or even micro port exposed to the surface of the skin so you can feel like you’re hooking up into the matrix but I don’t know about the long-term of that. lmfao
Just laying your forearm on a wireless charger for a while seems a bit dumb so something I saw in the comments of the grindhouse wetware video was along the lines of a wrist band/strap that you can strap around the location of the implant so you can charge while you read, program, or some other activity that requires moving your arm but not that much.
Lastly, the display. (which is something I would really like opinions/input on) Flexible LCDs would be the coolest option but they probably won’t shine through the skin especially in a readable state. LEDs are the only(? I hope I can be proven wrong on this bc that would be cool) current method of displaying information “on” the skin, so my current idea is using binary to display the time. 4 LEDs for the hours, (4 bits can show up to the number 15) 1 LED to show am/pm, (although I prefer 24h this would look the neatest) and 6 LEDs for minutes. (6 bits can show up to 64 which is just enough)
The main reason I like the Mi Band is the fact I can customize the watchface (even if I have to use non-official software to do so lol) and display the date and battery and stuff as well, and view all the steps data and stuff on the band, but with something like this LED solution that would not be possible and you’d have to see the data synced to your phone or something - which is why I would appreciate input.
Here is a rough diagram to show what I mean.
-and then just coat it all in some flexible bio-plastic or whatever and you have a watch implant simple as that. this turned out way longer than I expected it to lol but I hope it is of at least some worth