This hack takes advantage of all of these aspects to bring you an Arduino controlled CGA monitor. One problem with experimenting with one of these monitors is that they are not that well documented.

Serial data are received on the hardware ... We decided to implement flow control using this method. To do so, the Arduino was set up to monitor the BUSY line on the printer’s parallel port ...

Celebrate 20 years of Arduino software and tools with a spotlight aimed at industrial automation, AI, rapid prototyping and ...