Hi I'm new to arduino and so far found it to be very easy to learn and already got great results. I've built a 6 channel pwm led controller with setup menu current limit etc. But I would like to improve my software I currently use all the hardware pwm's and I know they use all the timers my question is can I generate a 10mS interrupt using any of the timers without affecting the pwm's or the tx/rx usart?
I'm know you guys will advise me which way to go with this
regards Dean 
Cross-post deleted.
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If all the timers are occupied perhaps you could connect one of the PWM outputs to one of the external interrupt pins and count the pulses. I assume there would be a reasonably constant count in a 10ms period. By polling the count variable you could tell when the 10ms has elapsed.
...R