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Holiday Notice: Elecrow staff will be on holiday starting October 1st (GMT+8).
PCB & PCBA orders will resume delivery from Oct. 4th, and
Product orders from Oct. 7th. Orders can still be placed as usual. Enjoy the holidays!
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.