Quote:
Originally Posted by Al Skierkiewicz
Random,
The 555 PWM generator that Erik mentioned is likely the easiest for you to build with parts you can obtain locally. Radio Shack or equivalent stores in your area should have all you need.
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I agree with Al, like usual, on this one. A 555 timer will work just fine.
First link on Google seemed to look pretty good:
http://www.dprg.org/tutorials/2005-11a/index.html
Try it out. This is a cheap and reliable solution. Probably way more reliable and safer than using a microcontroller.
Still the biggest reliability and safety problem will be the speed controller. Just with the Jaguar's reputation for failing out of the blue, I would use the trusted Victor 884. Keep it clean and away from any metal shavings and don't backfeed power into it by pushing your scooter around. You may also consider an 883 since it has a little more power handling than the 884, seeing that you're just running a simple scooter.