Arduino Panic Alarm, KY-019 relay example

Arduino Panic Alarm.
Hello world! Today i made an example on the KY-019 Relay module.
In my video i use a Alarm with strobe attached to it, but the strobe is not working because i use a 9volt battery,
and the alarm is 12v. Anyways… it works, and it’s very simple to build.

Schematic:
Ky-019 relay module alarm, Arduino Panic Alarm, KY-019 relay examplev

Parts list:
Arduino uno, I used a clone, the RobotDyn uno as i always do. Very good one with 8 analog pins.
KY-019 1 Channel relay
KY-004 Button Module. (You can use another button to of course!)
Alarm strobe (aliexpress) + a power source 12v Adapter for example.
Jumper wires. MM/FF/MF

Code:

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Danny van den Brande

http://www.arduinosensors.nl

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

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