Gernby

This looks really promising! I'm curios how the dtoverlay works though. If you have multiple lines assigning a value to dtoverlay, won't it just take the last one? Here is...

I'm planning to test these on my SD card, since I think they could be very beneficial for the new multi-model approach. We may want to turn bluetooth back on...

I haven't checked Google yet, but do you have any links to some good testing results about the SD card clock rate?