Project: Subdermal Wrist/Forearm Watch
Hello Everyone,
I have been working and researching on this project for some time now (and have already discussed some of my ideas in the Electronic Subdermal Implant Thread).
I decided it was time to present my project to the community and gather some more input. I think it would be awesome if this could become a community project, so please collaborate all you want to, I don't (terribly :P) mind changing anything in "my" design.
Note: this is supposed to be a long-term project and I know it won't happen any time soon, but I do believe this is entirely possible to build even today.
Watches are technology we depend on a lot in todays life that are also rather small, don't draw a lot of current and are thoroughly researched. Additionally there is a new market for "smartwatches" currently forming that deals with the same problems us biohackers would/will encounter in building this (size, power supply, connectivity) and explores the same possibilities.
Also watches are something that many people wear on their wrist 24/7 (or at least permanently while awake) and are as such great candidates for implants.
What is planned so far?
"features":
- implanted in (left) forearm, approximately where a wristwatch is placed, although I guess it would need to sit a bit further up the arm
- 12 RGB-LEDs (SMD) display time, and keep it precisely (see RTC below)
- time synchronization, notifications and general control via mobile phone (bluetooth, see BLE112/3 below)
- OTA-Firmware updates
- inductive charging
- control via wrist movements?
Comments
with all those led's bluetooth etc... did you run a power estimate on how much mA your circuits draws and how fast your battery empties?
- Programmable interrupt supports gesture recognition, panning, zooming, scrolling, and shake detection
So if we get that working, we should be able to get along fine I believe.With a 170mAh battery that means you could receive 100 notifications and check the clock 500 times in a single charging cycle and still have 60mAh over for all the other components (most of which should be in sleep mode the longest time).
I remember someone talking about electrodes triggering little sensations in your nerves as a means of communication, instead of LED or vibration. @ThomasEgi, is that the same thing you are talking about with the shocks? or are these two diff things?
And also yes, the shocks are given via electrodes, he's talking about the same thing. I think we could/should just have LEDs and electrical stimulation.
Also @ThomasEgi I doubt that Morse code is subconsciously readable, and having to concentrate to read text from the phone would be a little hard I'm.
@S0lll0s compare that to 20 days of permanently-on electrode output and this figure includes an atmega cpu running active on 128kHz (and you still have 60mAh charge left). With the output off and the cpu in power-down (watchdog running) i was able to get the circuit down to about 150nA. Low enough to run even on a tiny rechargeable coin (like 20 to 40mAh) battery for quite a long time. Low enough to easily charge with a very simple and small resonating circuit. no need for bulky battery or big resonating coils or charge controllers.
Not sure how much power bluetooth will eat. aside from that,the circuit could be kept very simple and small in size.