The build is based around a Raspberry Pi Zero in order to keep it compact, and it uses a small 2.7 inch LCD screen to display ... It’s a little more work to set up, of course, but worth it ...

LCD stands for liquid crystal display. The liquid crystals allow light to pass through them and the different colours and brightness levels created by the liquid crystals and various filters become ...

LCD screens come in passive and active technologies, which are explained in this definition. For details about how liquid crystals work, see LCD subpixels for color screens and seven-segment ...