Is there a limitation on the amount of PWMs to use in MBED OS? November 25, 2021 16:10 Updated At a time, you can use six to seven PWM pins on Arduino boards without reducing the efficiency of the signals generated. Related articles The PWM pins A6,A7 on my Arduino Nano RP2040 Connect are not working How to do a loopback test Set a board to DFU mode What boards can use the Arduino low power library? Why am I only getting 2.1V in the 5V pin in my board?