This is the concept:
A (not so suspicously looking) bag will contain sensors that measure several data on pollution, temperature, radiation.
The goal is to have an independent source of what I am exposed to.
Also the data are gathered locally, not using a satelite, so the car driving next to my bicycle can be monitored.
To manage all the data, and to store these data on a SD card, adding the longitude and latitude, and time, we need several microprocessors. The microprocessors have to talk to each other, it will be a happy communicating bunch (with quite a lot of wiring).
Also the bag has four displays, one of which is a RGB (8×8) LED matrix.
The collected data will be sent wireless to a computer using RF12, when there is a laptop around which can receive.
Why not directly to a server using the internet? Well we are a bit suspicious, if there is a direct connection, somebody can hack it. So data collection will be done locally, and isolated.
First we made a test with the liquid displays and the RGB matrix.
Then we tested the GPS SDcard combination seperately on a bicycle tour.
Then we had an array of sensors lined up:
What is left is to put this all together.
A bag is a wonderful thing, to put all this gear in a garment would be a little bit too much (maybe later if all has micro size…).
Also the power consumption is a bit outrageous, so the bag is also needed to carry the batteries.