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20x4 2004 LCD Display Screen Blue + IIC I2C Module Interface Adapter 2 Pack

Wide Application: Commonly used in copiers, fax machines, laser printers, industrial test equipment and networking equipment such as routers and storage devices.CCCCCCC
Item Code: ADM131
Market Price:
USD $50.00
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$20.99
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  • Description
Specification:
Display: 4 lines x 20 characters
Backlight: Blue with white character color
LCD controller: HD44780
Pin Definition: VCC/ GND/SDL and SCA
Contrast Adjust: Potentiometer
Backlight Adjust: Jumper
Default Address: 0x27 for PCF8574T chip; 0x3F for PCF8574AT chip
Working Voltage: 5V
 

Describe:
  • Components: Blue 20x4 2004 lcd display + I2C serial interface backpack; 2004 lcd screen can display 4-lines x 20-characters with built-in industry standard HD44780 equivalent LCD controller.
  • Default Address: 0x27 for PCF8574T chip; 0x3F for PCF8574AT chip; please check which chip you have on i2c interface. (Before you upload the code to the control board, please download the LiquidCrystal_I2C library).
  • Four Pins: VCC, GND,SDL and SCA used for connecting Dupont Line or IIC dedicated cable.
  • Compatibility: it can be used to display real time clock, temperature, humidity etc. (A potentiometer is also necessary to adjust the contrast. Working Voltage: Only 5V )
  • Wide Application: Commonly used in copiers, fax machines, laser printers, industrial test equipment and networking equipment such as routers and storage devices.

Package  Included:
2 pack blue 20x4 2004 lcd display + I2C serial interface
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