Happy Holiday! Key mailing dates for package to arrive by Dec 22 within Canada is Dec 12 for Canada Post Expedited Parcel.

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

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