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This 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 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.
Specifications:
Operating Voltage:5V
5 Push buttons
Expanded Analog and digital Pinout with standard configuration.
Features:
Only one adc pin is used to connect 5 buttons
Jumper JP1 is used to connect the ADV0 with button or other sensors
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T. Nagar, Chennai, Tamil Nadu 
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