Quote Originally Posted by Doddy View Post
Aha, get where you're coming from. That board does convert PWM into 0-10V analogue, but that's to support the spindle's VFD 0-10V analogue input. That makes some sense. But the interface to your laser remains a PWM-driven TTL-level input. I'd cancel the Amazon order if I was you for that board.
Cancel thanks :)

So how do I increase the bandwidth of the PWM to 1khz - 2khz @Doddy ?