Newhaven Display's Serial LCDs are character LCD Modules with integrated RS232, I²C and SPI serial interfaces with a broad range of industry standard sizes in 2x16, 2x20, and 4x20 modules. With this type of display, there are no more bulky additional "daughter boards“, resulting in better usability and lower cost. Software controlled contrast and backlight brightness simplifies development and maximizes application performance. These LCD Serial Displays are ideal for all display applications with a need to save processor I/O pins.