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.

The hardware configuration described have been tested with an Arduino UNO R3, a 16×2 LCD, and an I2C LCD backpack purchased from an eBay seller. Further, the example sketch has been fully tested with ...

Instead, a virtual version of the hardware has been built into a web interface. [Tobie’s] part of the hack is to use an Arduino and a few buttons as the controller.