Given the name of this blog and the number of requests that I’ve had, I think it’s high time we discussed serial ports; specifically, serial ports in embedded systems. My goal here is to describe the techniques that I’ve found effective in identifying and reverse engineering embedded serial ports through the use of definitive testing and educated guesses, and without the need for expensive equipme
![Reverse Engineering Serial Ports – /dev/ttyS0 - /dev/ttyS0](https://cdn-ak-scissors.b.st-hatena.com/image/square/1edd825c8cfb3d91de7ae7e50a1b9506f3245085/height=288;version=1;width=512/http%3A%2F%2Fwww.devttys0.com%2Fwp-content%2Fuploads%2F2012%2F10%2Fwestell_board-300x200.jpg)