LCD display 2x16 characters - green - justPi

Index: JUS-19738 EAN: 5903351243063
Alphanumeric LCD display produced by justPi company. It presents values in two lines, 16 characters each. It is powered by 5V. It is characterized by extremely simple operation, high availability and numerous support for many microcontrollers.
LCD display 2x16 characters - green - justPi
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LCD 2x16 characters green - connectors:
Manufacturer: justPi
Compatibility: Arduino

Product description: LCD display 2x16 characters - green - justPi

Alphanumeric LCD display manufactured by justPi. It presents values in two lines, 16 characters in each. It is powered by 5V. It is characterized by extremely simple operation, high availability and numerous support for many microcontrollers.

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.

Wyświetlacz LCD 2x16 znaków - zielony - justPi.

LCD display 2x16 characters - green - justPi.

Wymiary i opis wyprowadzeń.

Dimensions and pinout description.

Display pinout description

Thealphanumeric display has 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 system common ground

Controlling 2x16 LCD module

The display from justPi can be controlled in four modes:

  • 8-bit without reading the busy flag - eight lines of the data bus and two control lines (RS, E - RW connected to GND) are needed for transmission,
  • 8-bit with read busy flag - eight lines of the data bus and three control lines (RS, E, RW) are required for transmission,
  • 4-bit with readout of the busy flag - for transmission four lines of the data bus and three control lines are needed (RS, E, RW),
  • 4-bit without readout of the occupancy flag - for transmission four lines of the data bus and two control lines are needed (RS, E - RW connected to ground).

The most often chosen communication mode is the 4-bit mode without reading the busy flag. Sending half a byte saves valuable I/O pins of microcontroller - only four data lines are used (in 8-bit mode eight of them are occupied). Not reading the busy flag makes it necessary to use software delays, but saves another line - R/W. This pin can be permanently connected to ground, because data will be transported only one way - to the display.

Uniwersalność wyświetlacza pozwala na wybór także najbardziej odpowiedniego sposobu sterowania.

The versatility of the display allows to choose also the most suitable way of control.

Wyświetlacz - widok z tyłu.

The display - rear view.

Technical specification of the display

  • Type: alphanumeric LCD display
  • Supply voltage: 5 V
  • Controller compliant with HD44780
  • Backlighting: yellow-green, black characters
  • Operating temperature range: from -20°C to 70°C
  • Dimensions of one character: 2.45 x 5 mm
  • Module dimensions: 80 x 36 mm
Screen - type alphanumeric
Screen - diagonal 2.6 ''
Screen - interface GPIO
Screen - touch no
Screen - resolution 2x16 znaków
Package width 7 cm
Package height 10 cm
Package depth 1 cm
Package weight 0.031 kg

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Product reviews

LCD display 2x16 characters - green - justPi

4.8/5

Average grade

9

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