Matrix user forums

When controlling common cathode 7seg displays with a microcontroller, each cathode is normally connected to a collector of an NPN transistor.
For the 7seg to be enabled the O/P pin has to go high, as transistor inverts the signal.
Currently the outputs to common are only low to enable the 7ssg.
Is it possible to have a choice for the common output to be either high or low?

Thanks Martin,

Good suggestion there, I've made the change to the single and quad components and I'll get this pushed to the update system for you tonight.

Thanks Ben,
That was causing an issue here.

Should be there now