Product description: 4x20 character blue LCD display + I2C converter LCM1602
Popular alphanumeric LCD display, powered by 5V. It can display 80 characters in four rows of twenty columns. An I2C converter is soldered in, so only two lines - SDA and SCL - are needed to operate the display. Through the bus, from Arduino level, you can control both text display and backlight, turning it on or off at any time. On the board is also potentiometer for contrast adjustment.
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Product compatible with Arduino Check how to connect this device to Arduino. |
Pinouts
The chip has four pins and a jumper, which when pulled out turns off the backlight.
| No. | Name | Description |
| 1 | GND | Ground. |
| 2 | VCC . | +5 V power supply. |
| 3 | SDA | I2C bus data line. |
| 4 | SCL | I2C bus clock line. |
Parameters of 4x20 LCD display
- LCD display 4 x 20 characters
- Character color: white
- Backlight: blue
- Module size: 98 x 60 mm
- Hole spacing: 93 x 55 mm
- I2C bus converter
- No pull-up resistors for I2C bus lines (switched in Arduino)
- Converter based on PCF8574 chip(documentation)
- Soldered potentiometer for contrast adjustment
- Backlighting control possible via I2C bus
Useful links |
