FIRST (For Inspiration & Recognition of Science and Technology) has robotics competitions for high school students. There are teams in the US, Canada, Brazil and UK.
See http://www.usfirst.org/robotics/
There are some teams in Toronto.
circuitmangler,
Are you looking at a fixed frequency or does it vary? What kind of accuracy do you want? Do you need to calibrate this or is some quick and dirty/cheap solution adequate?
OperaHouse and felixc have some good suggestions. You might also consider a monostable multivibrator if...
If you could state what kind of gas analyzer you want to read, someone may have some experience and be able to help you. As IRSTUFF said, Hyperterminal may work. Years ago I used a program called Telix to read data from an MPSI analyzer. There is probably a way to do it in Visual BASIC. As far...
City and highway fuel economy are weighted 0.55 and 0.45, respectively.
See
http://www.epa.gov/otaq/cert/mpg/40p0600.pdf
http://www.fueleconomy.gov/feg/info.shtml#estimates
http://www.epa.gov/otaq/emisslab/methods/hwycol.txt
http://www.epa.gov/otaq/emisslab/methods/hwfetdds.gif
You will need books and reference material on the Z80. Check out http://www.amazon.com/exec/obidos/search-handle-form/002-2746453-7270458
http://www.amazon.com/exec/obidos/tg/detail/-/0070109621/qid=1048675601/sr=1-25/ref=sr_1_25/002-2746453-7270458?v=glance&s=books...
shattle,
The link you supplied displays the following "The www.inlg.com website is being further developed
as a localised directory portal of HealthClubNet
your ultimate UK directory of local neighbourhood
gyms, fitness, physique, aerobics & health clubs"
Do not accept it!! I have had cable that meggered ok experience intermittent shorts to ground.Eventually the cables inside a motor junction box were found to have some of the insulation worn away by rubbing against an ungrommeted hole. It was found that the magnetic field around the cable when...
I've used some signal conditioners from Pribusin ( http://www.pribusin.com ) and I've been pleased. They are not a single chip, though. If you have to go the single chip route, then roll your own with an op amp circuit.
