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How can I display text on a regular LCD computer monitor? Answered

I am looking for a portable way to display a simple menu on a regular flat panel computer monitor for my mobile ice cream truck. Can an arduino do this? If not what kind of micro-computer do I need to look into? I am looking for something like a portable, digital photo picture frame but better (and hopefully cheaper). 


You need a device to drive the monitor, and another device to feed the image.
Get the cheapest PC that will run it and PowerPoint it.


Second hand lap top - Only needs to be woking don't worry about the operating system -

Show a Jpeg of your signage.