@robert-hh said in Measure Pulse width of PWM waveform: UART2 or UART3 hey, robert Thank you for reply, We will try UART for the same.

@jmarcelino Is it still the case that we cannot access the counter through Python? Or has a driver been written? I'm looking to monitor a system fan, but with as little overhead as possible. If I count the fan tachometer output and check it every so often, I should get a good idea of how it's going. The system is busy, so I don't want lots of interrupts happening and was hoping to take care of this in the already available hardware.