Dot-matrix printing ... and then sends commands to the Arduino via the USB port. Click here to download a file that can be opened by the open source Fritzing program. The image above is a ...

18 year old maker and developer Nikodem Bartnik from Poland, has created and awesome DIY Arduino-based dot-matrix printer, capable of creating art on paper 55 cm wide and as long as you need ...

So says [Vije Miller] in his write-up for his Arduino sand matrix printer ... resulting in something not unlike a dot matrix printer that can write messages in the sand. He’s submitted it ...