arduino samd pwm frequency, For a smooth signal we choose phase correct pwm at a frequency 31372 Hz-see previous post. One of the biggest problem is that.... setFreq(; // set the frequency kChangeNoteDelay.set(pauseTime); // Hold the rest ... Although it supports 8-bit boards, it uses PWM, so the sound quality is limited. But on 32-bit boards such as SAMD-based boards and the Teensy, it excels.. Jun 18, 2020 The Arduino Due is a microcontroller board based on the Atmel ... 7" wide, but has