but since this post is about “interfacing an arduino with a serial lcd controller”, i’m quite disappointed. old lcd panels in my junk box: 4. lcd panels with serial controller: none.

So, what happens when we send a set of data to the LCD Device? Our resulting sketch will be almost simple. The most inspiring source to make this project comes from a blog post by Chris Parish ...

To do so, the Arduino was set up to monitor the BUSY line on the printer’s parallel port, setting the CTS line active whenever the busy line was inactive. With our task made clear, hours of ...