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Does anybody know if an SD-card extension / breakout (like the one shown in the post below) would work for hardware debug of the Teensy 4.1 with a J-Link? If so that'd be a viable way to debug without hardware mods, though I haven't seen this approach talked about much, so perhaps it's a...

Yeah, I agree that's definitely a concern. I think what I need to do is diff the teensy version against the newer version that's in the github repo and see what the differences are. The github version supposedly supports this small screen, but probably doesn't have the teensy-specific...

Results of serial debug below. Looks like the most likely candidate is that the library doesnt really support 80px width (it's written for 128px), so the TFT dimensions are wrong in the calculations. Initializing SD card...OK! Loading image 'test.bmp' tft.width(): 128 tft.height(): 160 File...

A couple updates: * I've been using the INITR_REDTAB settings, as those seem to work the best for this LCD. * I noticed that if I change: bmpDraw("parrot.bmp", 0, 0); to this: bmpDraw("parrot.bmp", 24, 0); Then it looks correct. I verified that by making a test image that has 1px...

Hmm. I tried that library, but I'm getting the same issue when using the trimmed bitmap. Those header files dont say anything about supporting the 0.96" LCD.

I fixed a typo in the image dimensions in the post above (I had the dimensions of the original image flipped). That should be clearer now. I've been looking at this some more, and it looks like teensyduino ships an old version of the adafruit library that doesn't support the 160x80 screen. The...

I just wired up a 0.96" 160x80 color TFT from Adafruit (https://www.adafruit.com/product/3533) to a Teensy 3.2 with Teensyduino v1.41. I noticed that the parrot.bmp file that ships with the example is 160x128 px. If I leave it at that resolution and put it on the SD card, things work as expected...