I am trying to figure out an easy way to access the RX5/TX5 pins that are in the SD Card slot of a Teensy 4.1. Would the SparkFun microSD Sniffer allow for an easy way to access those pins? If not, is there some other product that would slide into that slot for easy access?
You should be able to get to it with the sniffer. I did that several years ago when
I was experimenting to verify what functionality is on all of the pins.
I also did a quick and dirty layout for one…
Which back then I ordered a set of 3 from OSHPark.
Don’t remember how well they worked. I know you need to order the thinner boards.
But did verify I could access those pins. At one point, I had a display soldered up to one of them (SPI) that I could plug in…
From my excel document:
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