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Subscribe to actions on keyboard (press key)

Hi,
I want to receive messages in ROS that tell me which key was pressed on a keyboard that is connected with the PC. I found several examples for other input devices and also some of them treated the keyboard but just with the up and down arrows. Could you tell me if there is a way to receive also messages when the other keys were pressed (like a letter)? Are there preinstalled nodes/programmes?

With best regards, Rick

Subscribe to actions on keyboard (press key)

Hi,
I want to receive messages in ROS that tell me which key was pressed on a keyboard that is connected with the PC. I found several examples for other input devices and also some of them treated the keyboard but just with the up and down arrows. Could you tell me if there is a way to receive also messages when the other keys were pressed (like a letter)? Are there preinstalled nodes/programmes?

With best regards, regards,
Rick