@SpacePickle That would be great, but I've heard that they are already locked, so you will need a setup for unlocking the SD card first (see below). People can also mail me SD cards for unlocking (I already did that for @mickem60). Have you ordered one from Pioneer or from some eBay seller?
I'm using a Raspberry Pi Pico microcontroller that I attached an SD card adapter/slot to. I'm planning to soon publish the code I wrote for sending raw commands to SD cards from the microcontroller, but I could also provide you with a work in progress version. Parts would cost 15-20€, but ideally, y