[chbot] CovidCard implementation - how expensive should it be to manufacture 1M of them?

Bevin Brett bevin_brett at hotmail.com
Sat Aug 29 02:11:00 BST 2020


Assuming that it is

  1.  Bluetooth is its only radio
  2.  One USB connection is its only other connection
  3.  The s/w has only to
     *   listen continually for nearby devices and remember just their presence - no geolocation needed
     *   broadcast once per minute its own ID and nothing else
     *   keep track of one month's worth of ID's
     *   supply its own ID when requested by the USB connection
     *   supply the recorded ID's when requested by some password-secured request over the USB connection

1 - what do you think the cost per device should be?
2 - approximately how long should it take to develop open-source h/w and s/w for it?

Given the availability of $1 USB Bluetooth adaptors, it seems to me the main problem is a little s/w and an adequate battery...
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