Product description: LCD display 4x20 characters blue - justPi
LCD alphanumericdisplay by justPi. It shows values in four lines, 20 characters in each. It is powered by 5V. It is characterised by extremely simple operation. It can be used with many microcontrollers, especially Arduino. Characters are displayed on blue background. The module has additionally soldered connectors.
Display pins
Alphanumeric display is equipped with 12 pins, which are not marked on the board. Each of them corresponds in turn to:
- 1 - VSS - system ground
- 2 - VDD - 5V power supply
- 3 - V0 - contrast
- 4 - RS - select display instruction register (low state) or data register (high state)
- 5 - R/W - read (low state) / write (high state)
- 6 - E - unlocking the display
- 7...14 - DB0...DB7 - data bus
- 15 - LEDA - backlight power supply 5 V
- 16 - LEDK - backlight gND
Product compatible with Arduino
In standard set of libraries and sample programs downloaded from Arduino IDE environment, there is LiquidCrystal library, which allows to operate presented display.
Technical specification of the display
- Type: alphanumeric LCD display
- LCD display 4 x 20 characters
- Character colour: white
- Backlighting: blue
- Hole spacing: 93 x 55 mm
- Supply voltage: 5 V
- Module dimensions: 98 x 60 mm
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