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.
- The keypad interface uses only one ADC channel
- Potentiometer to control contrast of LCD
Wiki & External links
- Please note that this item does not come with an Arduino (you'll need one to use with the shield).
- The shield now comes with all the components soldered on and tested and have headers installed.