Anyone good with SPI channel analysis?
Hardware SPI (Looks great):
Software SPI (Same setup, just changed code and pins).
In the first, I can clearly see MOSI and MISO communicating on 5/6. Enable on 7.
Software SPI does not make any sense.
Unfortunately we do not have any other manufacturing partners, so all sensebender boards are produced by itead.
How did you confirm that the board where broken? Have you tried starting the self test in the standard firmware that the micro is delivered with?
The factory firmware is available at
@Roland-Wijnen JLCPCB.com seems pretty happy with the files. Its rendering of the completed pcb looks correct, and they'll ship me 5 copies of the board for less than $10 US, including the shipping price. Seems like a plenty cheap price.
I haven't made this board with them, but I've used them plenty of times in the past, and when they render a board correctly on the portal, it always comes out correct when I get it in my hands. (Well, other than design mistakes - they make it just how I design it, but that's a different story.)