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How to make a secret knock detector to trigger anything with only an Arduino and a few cheap components artwork
Education

How to make a secret knock detector to trigger anything with only an Arduino and a few cheap components

Learn Programming and Electronics with Arduino by Programming Electronics Academy

Apr 24, 201712:57Education

There are a couple good use-case scenarios for making a secret knock detector using an Arduino. You are a spy who needs to authenticate your cohorts You are a super hero who wants a secret knock to open the entrance to y...