Hello, I'm very new to this technology so please forgive me for what might be an inappropriate question. I'm trying to take a step up from using a 555 timer. I require some rather fast switching speeds. Perhaps a high on time of 50 us. I've tried changing the parameters in the Blinking Diode Sketch …

Faster Than A Blink

system December 23, 2009, 1:13am 3

There is a comprehensive discussion of "Maximum pin toggle speed" over at http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1230286016

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