Arduino - Button Example With the KY-004 -DOORBELL
by vandenbrande in Circuits > Arduino
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Arduino - Button Example With the KY-004 -DOORBELL
Hello world! Today i made a example for the KY-004 Button module.
Lets say its a very annoying doorbell. :) But it works. You can set different tones.
Follow the next step for schematic code & parts list.