Comments on: How to Set Up a Keypad on an Arduino http://www.circuitbasics.com/how-to-set-up-a-keypad-on-an-arduino/ Raspberry Pi, Arduino, and DIY Electronics Projects and Tutorials Mon, 22 Jan 2018 02:48:22 +0000 hourly 1 By: De Pauw Christophe http://www.circuitbasics.com/how-to-set-up-a-keypad-on-an-arduino/#comment-5283 Tue, 01 Aug 2017 07:39:38 +0000 http://www.circuitbasics.com/?p=423679#comment-5283 Hey,
is it possible to get this code working with multiple passwords?

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