1602 16×2 LCD Keypad Shield For Arduino Uno Mega

This is a very popular 16×2 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 .

LCD 1602 Keypad Shield for Arduino Uno R3 /R4, Mega, Integrated Keypad and Display for Arduino Projects

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.

Description & Key Features

•16×2 Display: Features a character LCD (typically blue backlight with white text) capable of displaying 32 characters total (16 columns, 2 rows).

Specifications

Pin Configuration

The shield typically uses the following Arduino pin mapping:

LCD Function

Arduino Pin

Register Select (RS)

Digital 8

Enable (E)