<p>This book is about Raspberry Pi 4 display projects. The book starts by explaining how to install the latest Raspbian operating system on an SD card, and how to configure and use the GPIO ports. The core of the book explains the following topics in simple terms with fully tested and working example projects:<br><br>> Simple LED projects<br>> Bar graph LED projects<br>> Matrix LED projects<br>> Bitmap LED projects<br>> LED strips<br>> LCDs<br>> ...