The LCD Keypad Shield is arduino compatible 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
- 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
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