The easiest way to connect to Raspberry Pi via a serial protocol will depend on whether your computer has a built-in serial port or not. The serial connection, software, and test setup are described in the following three steps:
- Create an RS232 serial connection between your computer and Raspberry Pi. For this, you need one of the following setups:
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- If your computer has a built-in serial port available, you can use a Null-Modem cable with an RS232-to-USB adaptor to connect to Raspberry Pi:
RS232-to-USB adapter
A Null-Modem is a serial cable/adapter that has the TX and RX wires crossed over so that one side is connected ...
