A lot of people have used ESP8266 to add inexpensive WiFi connectivity to their projects, but [Oscar] decided to take it one step further and program an Arduino over WiFi with the ESP8266.

Dot-matrix printing is ... A PC, an Arduino microcontroller, and a printing mechanism would work together to precisely position a marker over a sheet of paper. Once in position, the user would ...

Nikodem also explains a little more about the inspiration behind the Arduino dot-matrix printer project, which is now available to follow over on the Instructables website. Providing full step-by ...

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 ...