1, you need the size (the important thing is the size of the window)
2, whether you need a backlight (if you need to use it at night, it is recommended to use a backlight)
3, the driver is to do it yourself or let us do it (that is, with a PCB board of LCD modules)
4, provide a display effect diagram or drawings
5, what colors are needed (usually white characters on a blue background, yellow and white characters on a yellow background, and then a white character on a blue background). p>
4, to provide the display effect or drawings
5, what color is needed (generally white on blue, yellow and green, black, black on white, black on white)
6, the operating voltage
7, the connection is a metal pin or conductive tape
8, is fully translucent or semi-transparent
9, the viewpoint is the need for better Or general (TN LCD, STN LCD, FSTN LCD VA LCD)
More questions can be consulted Hangzhou Lihuang, hope to help you!