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

Projects Programming

johnwasser October 26, 2021, 5:45pm 6

Looks OK to me, assuming all of the missing code is perfect and your wiring is correct.

Topic		Replies	Views
using timer.h Development	2	3658	May 6, 2021
Controlling PWM from timer 1 with timer 2 General Guidance	17	4798	May 5, 2021
Complex PWM-like timer problem 3rd Party Boards	10	3405	May 6, 2021
Timer1 amateur help Programming	16	4415	May 5, 2021
pwm arduino General Guidance	13	6716	May 5, 2021

A simple PWM beep using timers 1 and 2

Related topics