Arduino and technology enthusiast Andy Brown has published another of his excellent tutorials. In this instalment he describes how to control both the contrast and brightness of a typical HD44780-compatible interface LCD module using pulse-width modulation. Having these parameters controlled via software allows more user-interface control and power saving for battery operated projects. Watch the following short video for some demonstration:
For more information and to get started, click here for Andy's tutorials. And we're on twitter and Google+, so follow us for news and product updates as well.
When making your own Arduino projects with a character LCD - save time and move forward with the Freetronics LCD & Keypad shield which contains a bright 16x2 character LCD and five buttons that can be read from only one analog input pin:
