Hi, new here and probably being a bit dim but I've Googled and done all the obvious stuff and I cannot figure out how to program the PWM to get a 40kHz signal to drive an ultrasonic sender for a distance measurement device. I've got the example below running an giving me 8kHz but how do I scale thi…

Generating 40kHz square wave

system December 30, 2012, 8:27pm 2

You need a pwm mode that allows you to set the top.

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