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√ Select Display Format Picture Model No. Structure Size
(inch)		 Outline Dimension
(mm)		 Viewing Area
(mm)		 Active Area
(mm)		 Dot Size
(mm)		 Interface IC Chinese Version
20×4
20x4 Green Backlight VATN LCD Display - WH2004A-VATN
WH2004A-VATN COB 2.89 98×60 77×25.2 70.4×20.8 0.55×0.55 6800 ST7066  
20×4
20x4 COG Character LCD Module with I2C Interface (Metal Pin) - WO2004B
WO2004B COG 2.44 74.3×36.4 60.5×22.18 58.5×20.18 0.45×0.54 I2C IST3602  
20×4
20x4 COG Character LCD Module with I2C Interface (FPC) - WO2004C
WO2004C COG 2.44 74.3×36.4 60.5×22.18 58.5×20.18 0.45×0.54 I2C IST3602  
20×4
2.89-inch 20x4 LCD Display with I2C Option - WH2004A
WH2004A COB 2.89 98×60 77×25.2 70.4×20.8 0.55×0.55 6800,SPI,I2C ST7066,RW1063  
20×4
20x4 Character UART LCD Display Module - WH2004AR
WH2004AR COB 2.89 98×60 77×25.2 70.4×20.8 0.55×0.55 SPI,I2C,UART ST7066  
20×4
20x4 Character LCD Module - WH2004B
WH2004B COB 2.89 98×60 77×25.2 70.4×20.8 0.55×0.55 6800,SPI,I2C ST7066,RW1063  
20×4
2.28-inch 2004 LCD Display Module - WH2004D
WH2004D COB 2.28 77×47 60×22 55.1×17.56 0.42×0.46 6800,SPI,I2C ST7066,RW1063  
20×4
4.92-inch 20x4 Character LCD Display - WH2004L
WH2004L COB 4.92 146×62.5 123.5×43 118.84×38.47 0.92×1.10 6800,SPI,I2C ST7066,RW1063  
20×4
2.89-inch 20x4 Character LCD Module with FFC - WH2004H
WH2004H COB 2.89 87×58 74.4×24.8 70.4×20.8 0.55×0.55 6800,SPI,I2C RW1063  
20×4
2.89-inch 20x4 Monochrome Character LCD Display - WH2004G
WH2004G COB 2.89 87×58 74.4×24.8 70.4×20.8 0.55×0.55 6800,SPI,I2C RW1063  
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