T&L Publications

be careful...

- the car weighs about 600 kgs
- 20 HP or so are enough (!)
- action radius about 100 kms in normal use

check this out : http://www.mdi.lu

and then comment back....

fripster

hi there, What you need is not a set of regulators, but a power-opamp. The output of this opamp will be your '0V' point and the others will be the +6 and -6 Volts. If you need precisely +5/0/-5 then regulate to 10V (one side!) before the opamp. Any power opamp will do that is stable for unity gain.....

what about using a RC combination after the photocell? the voltagre across the C will reflect the speed...


just my two cents..

Da fripster

hi there The word you are looking for is 'Inertial Matching'. This is a term from servotechnics describing the match between the Inertia of the load and the Inertia of the drive train. Inertial matching greatly influences the regulation capabilities of servosystems. Just do a Google lookup on the th...

hi there,

If you can read dutch: The elektuur magazine just did a test of 20+ DSO's . Its ready for download for a moderate fee (about 2$) at www.elektuur.nl

just my two cents..

Da fripster

<small>[ February 25, 2006, 01:22 AM: Message edited by: fripster ]</small>

i'm grinning like mad here
Americans trying to understand dutch whooooohooo!

Da fripster

hi there, you should go to www.circuitsonline.nl it's a dutch site about electronics, just like this one and there are some guys there who have doen just that! maybe you can get their code cheers Da fripster <small>[ November 27, 2005, 11:01 AM: Message edited by: fripster ]</small>

mmm check your R13 connections... did you mistakenly solder the wrong pins together?

Da fripster

hi,
I am using this one:
http://www.semis.demon.co.uk/Pics/PICmain.htm

works great and is simple to build

just my two cents,

Da fripster

hi,

according to my quick search CD74HCT4518E is a BCD-Output Decade Up Counter.

check this out:
http://206.131.241.58/ubb/ultimatebb.ph ... 1;t=003331

hope this helps!

Da fripster