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LCD Button Shield
[31583]
CHF 17.25

Product retired

This product has been retired from our catalogue and is not available for odering anymore. The page is being kept for those looking for datasheets, sample code or other information.

 

Stock: 0

Replacement product: 31643

Do you need an easy to use interface for your LCD screen? The LCD Button Shield just might be your answer! Moving through menus and making selections straight from one stand-alone shield attached to your Arduino is a great way to cut down on your tower of shields.

The LCD Button Shield consists of a 16x2, black character, green backlight LCD with a keypad consisting of 5 keys — select, up, right, down and left. To save the digital I/O pins, the keypad interface uses only one ADC channel. The key value is read through a 5 stage voltage divider.

Note: Headers are included but not soldered.

Documents:

Note: The analog values in the library and datasheet seem not to be correct since Linksprite changed the resistor network slightly. A customer has sent us the below measured values for both versions of the shield:

Version V2.1
============
UP     : Normal = 930 -> Trigger = >=916 / <949
Down   : Normal = 902 -> Trigger = >=879 / <916
Left   : Normal = 855 -> Trigger = >=835 / <879
Right  : Normal = 814 -> Trigger = >=714 / <835
Select : Normal = 613 -> Trigger = >=513 / <714

Version V2
==========
Up     : Normal = 628 -> Trigger = >=605 / <641
Down   : Normal = 581 -> Trigger >=546 / <605
Left   : Normal = 511 -> Trigger = >=487 / <546
Right  : Normal = 463 -> Trigger = >=422 / <487
Select : Normal = 381 -> Trigger = >=340 / <422

We thank R.S. for sharing his findings with us.

This product was added to our catalog on Wednesday 11 December, 2013.
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