NEW GUIDE: Adafruit RS232 Pal #AdafruitLearningSystem @Adafruit
If you’re looking to interface with telco, retro or industrial equipment you’ll probably run into RS-232 interfaces. The Adafruit RS232 Pal – Two Channel UART to RS-232 Level Shifters is your friend in such cases, giving you two duplex channels of level shifting and taking care of the high/negative voltage generation all in a low cost breakout board. We use the trusty MAX3232E so you know it will work great for all your RS-232 needs, up to 250Kbps.
The Adafruit RS232 Pal guide has everything you need to get started with this breakout. There’s pages for overview, pinouts, CircuitPython, Arduino, and resources for download.
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