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The Arduino Uno is the most common of the Arduino boards. It is based on the ATmega328P microcontroller.

-1 votes

Arduino coding of producing frequency

This is meant to be a comment, but I can't put (pseudo) code in a comment. A 40 kHz square wave? Simple: for(;;){ wait ( 1 / 2 * 40.000 ); make pin high; wait ( 1 / 2 * 40.000 ); make pi …
Wouter van Ooijen's user avatar