My Teensy 3.6 arrived from Mouser this morning, with an attractive and informative glossy double-sided card depicting the major functions of all its through-hole and SMT pads. I hadn't seen this before, despite searching for more information on these pads than is available at the main page:

Googling revealed the PDFs: and .

I suggest that the main page for each Teensy link to the matching PDFs of these cards and any other documentation. Also, I think it would be good for each such page and the overall Teensy page to link to the page with the detailed specifications, which also functions as a comparison table: .

Thanks for the Teensies!