AS Sensor Coursework Ideas: Spinning Disc and Phototransistor Setup

[richMMIV]

Hello there!
My AS Sensor Courswork plan is due in a week today and i really don't know what sensor to use and what to do
The best I've come up with so far is to use a spinning disc with a hole in it in front of a lamp and using a phototransistor and oscilloscope to work out frequency and rotations / second. I really need some more ideas.. so any help would be very welcome.
Thanks.

 

[enigma]

It would help if we knew what the requirements were...

 

[richMMIV]

Its hard to explain the requirements on here because we have pages of it! Its basically a simple all-round test of a sensor designed in a circuit for a particular purpose.. with a slight emphasis on the use of a potential divider or wheatstone network. For anyone familiar with it or that's done it its on the OCR Advancing Physics course.

 

[Baggio]

Hmm for AS-evel course work you shouldn't really have posted in the College Help forum.

I think it would be best if you can provide more info :-/

 

[richMMIV]

Sorry. I'm in college so i thought itd make sense! :/
I'm really looking for anyone that's doing the course and might be familiar with the sensor coursework. There's some suggested project ideas like measuring water level with a rotary potentiometer and the spinning disc one but i was hoping someone might have a more original concept!