[LectronFanModerator]

Hi all,

Since it”s a rainy and cold day, let’s have some fun with the Lectron system !
Today we are going to build a outstanding alarm sound based around the 555 timer.
Lectron RWO built a module that has the 555 timer chip incorporated.

As soon the power is activated (by pressing the switch) a notable sound will be produced that can’t be unheard !

Who can explain what happens here ?

Many greetings

[MichaelKeymaster]

Once again, you have come up with an interesting demonstration Frank!

You have introduced a more contemporary Lectron System block as well with the 555 timer block, a mainstay in digital circuit design so long ago.  Love it!

I would imagine that the 47uF cap has something to do with the timing of the trigger to generate the sound but I am not an engineer as you are!

Thanks so much for keeping things going here!

Best,
Michael

[Author]

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