I am writing a simple beep function. Yes, I know I can do this using the Arduino tone() function, but I'm trying to implement this beep function using low-level timer control. In the following code, timer 2 generates a periodic interrupt which calculates the amplitude of the beep sine wave and ti…

[image] scottlbaker: I hope enough code there to understand how I am trying to control the timers. Looks OK to me, assuming all of the missing code is perfect and your wiring is correct.

A simple PWM beep using timers 1 and 2

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scottlbaker October 26, 2021, 4:38pm 4

My question is about timer operation. I hope enough code there to understand how I am trying to control the timers.

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A simple PWM beep using timers 1 and 2

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