Arduino Lcd Keypad Shield

Description

This is a very popular LCD Keypad shield for Arduino or Freeduino board. It can be directly plugged onto the Arudino board, no soldering or fly-wiring needed. A 16×2 HD44780 compatible LCD, White character & Blue backlight.

The LCD Keypad shield is developed for Arduino compatible boards, to provide a user-friendly interface that allows users to go through the menu, make selections etc. It consists of a 1602 white character blue backlight LCD. The keypad consists of 5 keys — select, up, right, down and left. To save the digital IO pins, the keypad interface uses only one ADC channel. The key value is read through a 5 stage voltage divider.

This Shield uses Arudino LCD4Bit library.

Documents

• Manual
• LCD4Bit Library
• Schematics
• LCD Datasheet

This is a very popular LCD Keypad shield for Arduino or Freeduino board. It includes a 2×16 LCD display and 6 momentary push buttons. Pins 4, 5, 6, 7, 8, 9 and 10 are used to interface with the LCD. Analog Pin 0 is used to read the push buttons. The LCD shield supports contrast adjustment and backlit on/off functions. It also expands analog pins for easy analog sensor reading and display.

The LCD Keypad shield is developed for Arduino compatible boards, to provide a user-friendly interface that allows users to go through the menu, make selections etc. It consists of a 1602 white character blue backlight LCD. The keypad consists of 5 keys — select, up, right, down and left. To save the digital IO pins, the keypad interface uses only one ADC channel. The key value is read through a 5 stage voltage divider.

Specifications:

1. Operating Voltage:5V
2. 5 Push buttons to supply a custom menu control panel
3. RST button for resetting arduino program
4. Expanded available I/O pins
5. Expanded Analog Pinout with standard DFRobot configuration for fast sensor extension
6. Dimension: 80 x 58 mm

Features:

1. Integrates a potentiometer for adjusting the backlight.
2. Pins used:

• D4-D7    -> LCD Data transmission
• D8       -> Register Select
• D9       -> Enable pin
• D10      -> Backlight control

Package includes:

1x  Shield for Arduino