Is there any easy method to allow automatic display blanking on the Midiboy ? I cannot see anything like this in the headers of the core library. I am thinking about a timer that blanks the display after about a minute and wakes it up when one of the buttons is pressed.
The function to enable & disable the display is currently not publicly exposed, but you may try and copy the code into your sketch and use it:
Also, check out the SH1106 datasheet, the driver of the OLED: https://cdn.velleman.eu/downloads/29/infosheets/sh1106_datasheet.pdf