SamHalvoe

Hello Larry, first of all I like your OneBitDisplay library and had fun using it in one of my projects. (: At the moment I use the core [ArduinoCore-mbed](https://github.com/arduino/ArduinoCore-mbed) and...

I would like to implement attachThread of the EventResponder class in my project to use it with TeensyThreads. And I think in general that [attachThread](https://github.com/PaulStoffregen/cores/blob/master/teensy4%2FEventResponder.h#L122-L126) should be virtual. See this...