This is a simple Arduino sketch used for testing serial apps. It provides a few basic commands that can be used to test serial communication.
| Command | Description | Usage |
|---|---|---|
ECHO <message> |
Echoes the provided message back to the serial port. | ECHO Hello, World! |
TIME |
Returns the elapsed time since the program started. | TIME |
LIGHT ON |
Turns on the built-in LED on the Arduino. | LIGHT ON |
LIGHT OFF |
Turns off the built-in LED on the Arduino. | LIGHT OFF |
? |
Provides a summary of the available commands. | ? |