PWM pins work the same way across all Arduino boards, so you don't need to go out of your way to buy a Mega if you already have a board supporting PWM. On the Uno, Nano, and Mini, the PWM pins are ...

UART Can’t? Arduino CANSerial Can! 11 Comments . by: Elliot Williams. July 4, 2022. Title: Copy. Short Link: Copy [Jacob Geigle] had a problem.

If you set the uart to 8,N,1, than you know that long strings of back-to-back characters will have a 10 between the characters, so you can use that to form tones and vice versa.