(as of Jan 12,2021 11:54:24 UTC – Details)
This is a high-quality I2C LCD 2004 display.
It’s in elegant blue with white contents displayed，which can display 4 rows with 20 characters for each. With IIC/I2C interface, it only takes two I/O port thus saving more for other usages.
You can adjust the contrast by the potentiometer at its back.
If you don’t want the backlight, you can also unplug the jumper cap at the LCD back. With the LCD shield, you can display whatever you want by programming the Arduino board.
Therefore, this is a perfect choice to make your project more interesting and vivid! 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, 0x3F
Working Voltage: 5V Package:
Blue 20×4 2004 lcd display + I2C serial interface
2-Sunfounder I2C LCD 2004 displays characters of 4 rows with 20 characters in each. Four Pins: VCC, GND,SDL and SCA used for connecting Dupont Line or IIC dedicated cable
3-Support blue backlight, the display is clear and bright
4-IIC/I2C interface; only takes two I/O ports. I2C Address: 0x27 or 0x3F.You can adjust the contrast by the potentiometer at its back
5-The 20×4 LCD Display Module used for connecting Arduino and Raspberry pi and it can be used to display real time clock, temperature, humidity etc. http://wiki.sunfounder.cc/index.php?title=I2C_LCD2004