4*20 LCD screen with I2C

20*4 LCD screen with I2C with blue backlight with bright lighting and high contrast with I2C serial converter to operate the LCD screen via I2C additional information specifications (4*20 LCD screen with I2C): power supply voltage: 5 volts size: 20 columns in 4 rows attached with I2C board for easy connection board address: 0x27 / 0x3F connection with four ports: SDA, SCL, Vcc, Gnd way to program and operate the screen: see the link here to view an article explaining the use of the product click on the link video explaining the use of LCD + I2C screen