Logic Level Serial Character Serial LCD Displays

LCD displays that use a logic-level serial interface are versatile electronic components designed for easy integration and control in various projects. Unlike I2C or SPI interfaces, logic-level serial interfaces use a simplified serial communication protocol, often referred to as "bit-banging." This means that the microcontroller or host device directly controls the individual data and control lines of the LCD display, eliminating the need for dedicated communication protocols or libraries.

Logic-level serial LCD displays typically have a small number of data and control pins, making them suitable for projects with limited I/O resources. These displays usually have a fixed character size, such as 16x2 or 20x4, and offer excellent readability with or without backlighting. The logic-level serial interface allows for direct manipulation of the data and control lines, enabling precise control over the display content, cursor position, and other display functions.

Logic Level Serial 20x4 Character LCD CFA634-YDI-KL
Logic Level Serial 20x4 Character LCD
  • Part #: CFA634YDIKL
  • Size: 130mm x 63mm x 19.9mm
  • Interfaces: Logic Level Serial
  • Character Count by Lines: 20x4
  • Polarizer: Transmissive
  • Diagonal Dimension: 3.92"
  • Backlight: Yellow-Green LED
  • Type: Character Serial LCD
Price Range: $59.34 - $81.06
Blue 20x4 Serial RS-232 Character LCD CFA634-TMI-KS
Blue 20x4 Serial RS-232 Character LCD
  • Part #: CFA634TMIKS
  • Size: 130mm x 63mm x 19.9mm
  • Interfaces: RS232
  • Character Count by Lines: 20x4
  • Polarizer: Transmissive
  • Diagonal Dimension: 3.92"
  • Backlight: White LED
  • Type: Character Serial LCD
Price Range: $58.13 - $79.42
Light Blue Serial 20x4 Character LCD CFA635-TFK-KL
Light Blue Serial 20x4 Character LCD
  • Part #: CFA635TFKKL
  • Size: 142mm x 37mm x 20.8mm
  • Interfaces: Logic Level Serial
  • Character Count by Lines: 20x4
  • Color: Dark on Light Gray
  • Polarizer: Transflective
  • Diagonal Dimension: 3.19"
  • Backlight: White LED
  • Type: Character Serial LCD
Price Range: $61.73 - $101.51
Yellow-Green Serial 16x2 Character LCD CFA533-YYH-KL
Yellow-Green Serial 16x2 Character LCD
  • Part #: CFA533YYHKL
  • Size: 110.5mm x 35mm x 25.6mm
  • Interfaces: Logic Level Serial
  • Character Count by Lines: 16x2
  • Color: Dark on Yellow-Green
  • Polarizer: Transflective
  • Diagonal Dimension: 2.26"
  • Backlight: Yellow-Green LED
  • Type: Character Serial LCD
Price Range: $32.17 - $60.12
Blue Serial 16x2 Character LCD CFA533-TMI-KL
Blue Serial 16x2 Character LCD
  • Part #: CFA533TMIKL
  • Size: 110.5mm x 35mm x 25.6mm
  • Interfaces: Logic Level Serial
  • Character Count by Lines: 16x2
  • Color: White on Blue
  • Polarizer: Transmissive
  • Diagonal Dimension: 2.26"
  • Backlight: White LED
  • Type: Character Serial LCD
Price Range: $33.52 - $61.51
Light Blue Serial 16x2 Character LCD CFA533-TFH-KL
Light Blue Serial 16x2 Character LCD
  • Part #: CFA533TFHKL
  • Size: 110.5mm x 35mm x 25.6mm
  • Interfaces: Logic Level Serial
  • Character Count by Lines: 16x2
  • Color: Dark on Light Gray
  • Polarizer: Transflective
  • Diagonal Dimension: 2.26"
  • Backlight: White LED
  • Type: Character Serial LCD
Price Range: $33.52 - $61.51
20x4 Serial RS232 Character LCD CFA634-YFH-KS
20x4 Serial RS232 Character LCD
  • Part #: CFA634YFHKS
  • Size: 130mm x 63mm x 19.9mm
  • Interfaces: RS232
  • Character Count by Lines: 20x4
  • Polarizer: Transflective
  • Diagonal Dimension: 3.92"
  • Backlight: Yellow-Green LED
  • Type: Character Serial LCD
Price Range: $57.65 - $78.75
20x4  Serial RS-232 Character LCD CFA634-YDI-KS
20x4 Serial RS-232 Character LCD
  • Part #: CFA634YDIKS
  • Size: 130mm x 63mm x 19.9mm
  • Interfaces: RS232
  • Character Count by Lines: 20x4
  • Polarizer: Transmissive
  • Diagonal Dimension: 3.92"
  • Backlight: Yellow-Green LED
  • Type: Character Serial LCD
Price Range: $59.34 - $81.06
20x4 RS-232 Serial Character LCD CFA634-TFH-KS
20x4 RS-232 Serial Character LCD
  • Part #: CFA634TFHKS
  • Size: 130mm x 63mm x 19.9mm
  • Interfaces: RS232
  • Character Count by Lines: 20x4
  • Polarizer: Transflective
  • Diagonal Dimension: 3.92"
  • Backlight: White LED
  • Type: Character Serial LCD
Price Range: $59.02 - $80.63
FFSTN Negative Serial 16x2 Character LCD CFA632-YDI-KL
FFSTN Negative Serial 16x2 Character LCD
  • Part #: CFA632YDIKL
  • Size: 108mm x 42mm x 19.9mm
  • Interfaces: Logic Level Serial
  • Character Count by Lines: 16x2
  • Color: Dark on Yellow-Green
  • Polarizer: Transmissive
  • Diagonal Dimension: 3.01"
  • Backlight: Yellow-Green LED
  • Type: Character Serial LCD
Price Range: $48.53 - $66.31
20x4 Character USB Display CFA735-YYK-KR
20x4 Character USB Display
  • Part #: CFA735YYKKR
  • Size: 142mm x 38mm x 21mm
  • Interfaces: Logic Level Serial, USB
  • Character Count by Lines: 20x4
  • Color: Dark on Yellow-Green
  • Polarizer: Transflective
  • Diagonal Dimension: 3.19"
  • Backlight: Yellow-Green LED
  • Type: Character Serial LCD
Price: $70.15
20x4 Character USB Display Module CFA735-TML-KR
20x4 Character USB Display Module
  • Part #: CFA735TMLKR
  • Size: 142mm x 38mm x 21mm
  • Interfaces: Logic Level Serial, USB
  • Character Count by Lines: 20x4
  • Color: White on Blue
  • Polarizer: Transmissive
  • Diagonal Dimension: 3.19"
  • Backlight: White LED
  • Type: Character Serial LCD
Price Range: $90.25 - $124.29
20x4 Character Serial LCD Display CFA735-TFK-KR
20x4 Character Serial LCD Display
  • Part #: CFA735TFKKR
  • Size: 142mm x 38mm x 21mm
  • Interfaces: Logic Level Serial, USB
  • Character Count by Lines: 20x4
  • Color: Dark on Light Gray
  • Polarizer: Transflective
  • Diagonal Dimension: 3.19"
  • Backlight: White LED
  • Type: Character Serial LCD
Price Range: $99.10 - $135.07
Light Blue Logic Level Serial 20x4 Character LCD CFA634-TFH-KL
Light Blue Logic Level Serial 20x4 Character LCD
  • Part #: CFA634TFHKL
  • Size: 130mm x 63mm x 19.9mm
  • Interfaces: Logic Level Serial
  • Character Count by Lines: 20x4
  • Polarizer: Transflective
  • Diagonal Dimension: 3.92"
  • Backlight: White LED
  • Type: Character Serial LCD
Price Range: $59.02 - $80.63
Blue 20x4 Logic Level Serial Character LCD CFA634-TMI-KL
Blue 20x4 Logic Level Serial Character LCD
  • Part #: CFA634TMIKL
  • Size: 130mm x 63mm x 19.9mm
  • Interfaces: Logic Level Serial
  • Character Count by Lines: 20x4
  • Polarizer: Transmissive
  • Diagonal Dimension: 3.92"
  • Backlight: White LED
  • Type: Character Serial LCD
Price Range: $58.13 - $79.42
Serial Yellow-Green 16x2 Character LCD CFA632-YFH-KL
Serial Yellow-Green 16x2 Character LCD
  • Part #: CFA632YFHKL
  • Size: 108mm x 42mm x 19.9mm
  • Interfaces: Logic Level Serial
  • Character Count by Lines: 16x2
  • Color: Dark on Yellow-Green
  • Polarizer: Transflective
  • Diagonal Dimension: 3.01"
  • Backlight: Yellow-Green LED
  • Type: Character Serial LCD
Price Range: $47.58 - $64.99
20x4 Logic Level Serial Character LCD CFA634-YFH-KL
20x4 Logic Level Serial Character LCD
  • Part #: CFA634YFHKL
  • Size: 130mm x 63mm x 19.9mm
  • Interfaces: Logic Level Serial
  • Character Count by Lines: 20x4
  • Polarizer: Transflective
  • Diagonal Dimension: 3.92"
  • Backlight: Yellow-Green LED
  • Type: Character Serial LCD
Price Range: $57.65 - $78.75
Dark Blue 20x4 Character Serial LCD CFA635-TML-KL
Dark Blue 20x4 Character Serial LCD
  • Part #: CFA635TMLKL
  • Size: 142mm x 37mm x 20.8mm
  • Interfaces: Logic Level Serial
  • Character Count by Lines: 20x4
  • Color: White on Blue
  • Polarizer: Transmissive
  • Diagonal Dimension: 3.19"
  • Backlight: White LED
  • Type: Character Serial LCD
Price Range: $57.66 - $98.72