[Lab] Question(s) for the Collective: Pressure sensors
henri.kuschkowitz at gmail.com
Tue Apr 10 13:37:47 EDT 2012
I am hoping to be able to access the collective mind to get some information regarding pressure sensitive sensors for a possible project for the upcoming Nuit Blanche here in Ottawa.
I would like to gather the input from people walking over a defined area on the ground (8"x10" possibly larger). Technically, only a digital output (step on/off an area) and no analog data would be required. Since there is no compensation for this project a low cost for material is a big factor in my research.
After a short analysis, I came to the conclusion that the cheapest alternative to buying any kind of sensors would be creating them by myself, similar to fluidforms or a pressure sensor matrix, and to combine them through multiplexing using one (or more) arduino(s). The sensors would be either mounted between sheets of plywood, possibly fabric or similar. The installation would be outside, so I have to factor this in for what material to use as well.
My question would be whether any of you have any knowledge or advice regarding such an endeavour, whether or not I might be on the right track or should look into a different (possibly simpler) alternative? Also, I am not completely certain whether there would be any issue with multiplexing when a couple of sensors are capturing an input at the same time?
As always, I more than appreciate any good advice!
Thanks in advance,
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