[Elecraft] K3 to K3/0 Mini Direct Connection

[phil h]

FYI: Sparkfun's "MAX3232 breakout board" solved this problem for me, its the
size of your thumbnail, costs about 5.95, and it takes a Vcc of 3v to 5v. I
used a 3.3v supply I installed because I needed the TTL logic to be at Pi's
GPIO levels and not 5v. I used it to connect a RS-232 ultrasonic distance
measuring device to ttyAMA0 which is TTL.  Check it out.



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