3 ms·

Now what you do is, you get four of 'em, two wired back-to-back and two with their RX pins wired to the RX and TX pins of the first pair. Now you can connect t

Now what you do is, you get four of 'em, two wired back-to-back and two with their RX pins wired to the RX and TX pins of the first pair. Now you can connect two machines via serial, and sniff traffic with two serial ports on the third.

snvzz 4y ago
>sniff traffic You can just wire up a $10 logic analyzer, that way you can even deal with changing speeds and partial messages (e.g. reset during TX).