Arduino Button module KY-004 – arduino DOORBELL

Hello world! Today i made a example for the Arduino Button module KY-004.
Lets say its a very annoying doorbell. 🙂 But it works. You can set different tones.
This button module is handy for many stuff, of course this code is just simple and gives you a idea on how the button module works.

KY-004 button module, Arduino Button module KY-004

Parts list:
Arduino uno.
KY-004 Button module.
Set of jumper wires MM/FF/MF.


Danny van den Brande

Programmer, Game Designer, 3D Designer, Web Designer, Graphic Designer. Jup this website looks crappy.. :) But enjoy the projects! Everything you need is here.

1 thought on “Arduino Button module KY-004 – arduino DOORBELL”

  1. Thank you for any other informative web site. Where else may I
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    I have a undertaking that I am just now working on, and I’ve been at
    the look out for such info.

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