InverseParallax, Set the baudrate to 115200, that way I should get enough garbage to be able to figure out how far off the baud rate is and if flow control is broken!
meanmon13, Don’t forget trying to guess if the RX label is the line they transmit out of or you transmit to.
Doxin, 
Which is why for a lot of serial protocols nowadays they changed the labeling to MOSI/MISO instead of TX/RX
exu, Isn’t it supposed to be from your device’s perspective?
An RX on your side would be TX on the other.
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