New posts in Rs232

Why are there so many resistors in a typical schematic?

Difference between UART and RS-232?

What can I do to decrease the latency from these serial ports which are attached to a PC via a Serial to USB adapter?

Communication between multiple microcontrollers

Multidrop one or two lane bus

RS232 vs USB CDC quality of service / should messages contain a checksum?

Can I use 10\$\mu\$F caps in a MAX232?

What is the maximum acceptable baud rate error for RS-232 serial communication?

RS-232 Buffer circuit

Using an Rj45 to D9 RS232 Adaptor with a laptop to control an RS232 device