NoticeDifference between revisions of "Arduino 1602 LCD Shield"
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down and left. To save the digital IO pins, the keypad interface uses only one ADC channel. The | 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. | key value is read through a 5 stage voltage divider. | ||
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==Specifications== | ==Specifications== | ||
Revision as of 06:51, 23 May 2014
Contents
Overview
This Arduino 1602 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 LCD1602 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.
