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pio-device:tldr:5d9e6
The command "pio device monitor" is used in PlatformIO, an open-source development platform, to monitor and display the output of a connected serial device.
When you run this command, PlatformIO will establish a connection with the serial port that is connected to your device, such as a microcontroller or a development board. It will then continuously monitor the output that is being transmitted through the serial port and display it in the terminal. This allows you to see any data, debug information, or error messages that the device is sending via the serial communication interface.
By using "pio device monitor," you can interactively observe and analyze the communication between your computer and the connected device, which can be helpful for troubleshooting, debugging, or analyzing the behavior of your device during runtime.