> all I see while PWM goes from 0-70 % blinks a few times
> and stays on on higher duty cycle for load I use regular 110 v lamp.

Remember that the triac will stay on once it is triggered until the next
power line zero crossing.  You need to synchronize the control signal to the
power line.


*****************************************************************
Olin Lathrop, embedded systems consultant in Devens Massachusetts
(978) 772-3129, olin@embedinc.com, http://www.embedinc.com

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