Tag Archive
#UART
2 articles tagged with #UART. This page is set to noindex per SEO configuration.
Blog
RS-232
XON and XOFF: Software Flow Control Explained
XON and XOFF are the two characters behind serial software flow control. See the DC1/DC3 codes, the pause-resume cycle, and when to use it vs RTS/CTS.
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Blog
RS-232
RS-232 DB9 Pinout: Signal Reference, Wiring, and Field Troubleshooting
he full RS-232 DB9 (DE-9) pinout with signal directions, voltage levels, null modem vs straight-through wiring, and industrial troubleshooting.
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