DFR0009 PDF datasheet can download.
This product has LCD Keypad Shield functions.
This is one of the semiconductor types. This part name is DFR0009.
Manufacturers of the product is D-Robotics.
Image and pinout :
Some of the text files within the PDF file
LCD Keypad Shield (DFR0009) D-Robotics UK (www.droboticsonline.com) This is a very popular LCD Keypad shield for Arduino or Freeduino board D-Robotics 6/25/2011 LCD Keypad Shield 1. Introduction This DFRobot LCD Keypad Shield a very popular shield for Arduino or Freeduino board. 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. 2. Specifications Operating Voltage:5V 6 Push buttons Expanded Analog Pinout with standard DFRobot configuration. Page | 2 3. Diagram Page | 3 [ … ]
Please refer to the file for details.