Tone() seems to need at least 5ms between each call, or there is no output.
ex:
loop(){
tone(1, 440);
}
gives no output, but
loop(){
tone(1, 440);
delay(10);
}
gives a stable 440Hz output. 10ms seems to be a good figure, it will work at
5ms, but the output is unstable.
Original issue reported on code.google.com by martin.b...@gmail.com on 21 Sep 2014 at 2:39
Original issue reported on code.google.com by
martin.b...@gmail.com
on 21 Sep 2014 at 2:39