I want to control some light dimmers with a teensy.
I'm looking at this:
https://www.aliexpress.com/item/32975095882.html
however, in the list of Arduino's, it lists some of them as only having one pin suitable for the input (zero cross). I'm not sure why there is this limitation. I assume the teensy (4.0 or 4.1) will have a suitable pin(s)?
thanks

I'm looking at this:
https://www.aliexpress.com/item/32975095882.html
however, in the list of Arduino's, it lists some of them as only having one pin suitable for the input (zero cross). I'm not sure why there is this limitation. I assume the teensy (4.0 or 4.1) will have a suitable pin(s)?
thanks
