The LCD Keypad Shield is arduino compactible boards, to provide a user-friendly interface that allows users to display what they want to and make selections etc. it consists of a 1602 white character blue backlight LCD. The keypad consists of 5 keys selections, up, right, down and left. To save the digital IO pins, the keypad interface uses only one ADC channel(AD0). The key value is read through a 5 stage voltage divider.

Features:

• • The keypad interface uses only one ADC channel
  • Potentiometer to control contrast of LCD

Wiki & External links

Manual&Wiki LCD Keypad Library -A modified library with a sample game. Submitted by Fj604 Key Grabber Library V2 - Submitted by ecefixer Schematics V1.0 Schematics V1.01 LCD Datasheet