If you want to interface with telco, retro, or industrial equipment, you'll probably run into RS-232 interfaces. The Adafruit RS232 Full-Pinout Breakout with...
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$6.95
In Stock
Make your own custom DE-9 cable or DE-9 interface with ease, using this DE-9 Plug to Terminal Spring Block Adapter. You get a nice solid PCB with a DE-9 plug and...
$6.25
In Stock
This USB Type C cable adds a DB-9 (DE-9) serial port to your computer or laptop. Works with MacOS X, Linux, and Windows. Note that this provides (approximately) +-6V serial (RS232) not...
$17.50
In Stock
This USB cable adds a DB9 serial port to your computer or laptop. Works with MacOS X, Linux and Windows. Note that this provides (approximately) +-6V serial (RS232) not 5V serial...
$17.50
In Stock