Thermal Printer controlled by a push button

[DaveX]

Look at the Arduino File/Example/02.Digital/Button example, and consider putting much of the stuff in your setup() function into a printLineOnTheThermalPrinter() function per

Planning and Implementing an Arduino Program

From what I can see there are many tutorials about doing specific tasks with an Arduino but I have not come across any that guide a newcomer through the process of planning and implementing a program to make it easy to understand and debug. The following 9 posts in this Thread are an attempt to fill that gap. ...R

You might modify the Button example to also call a printLineOnTheThermalPrinter() function ehrn the button is pressed.