humidity and vibration circuit

[mujahid_5113]

nice to all

I hope a problem to find the suitable circuit for my final year project, espeacially for humidity and vibration circuit. and also the suitable sensor for this to circuit. for information thia 2 hardware will be interface with computer using relayed board, I hope any body will help,me

regard AbM

 

[xzp]

I've ever design a humidity test, it require a humidity sense capacitor which capacitance change are linear to the humidity change, for vibration, I think a bending mode Piezoelectric pzt will help much!

 

[mujahid_mlk]

thanks xzp.

if u have any url may help me to solve this problem

regard
AbM