Now it's starting to sound like an issue with your sketch.
digital input and external interrupt are both digital inputs.
Are you turning the internal pullup off & on or something?
We can only guess until you post some code.
Now it's starting to sound like an issue with your sketch.
digital input and external interrupt are both digital inputs.
Are you turning the internal pullup off & on or something?
We can only guess until you post some code.