https://electrosome.com/rain-alarm-555-timer/ You Inspire.....We Create..... Sat, 15 Jul 2017 03:20:32 +0000 hourly 1 https://wordpress.org/?v=6.1.1 https://electrosome.com/rain-alarm-555-timer/#comments/6804 Wed, 21 Jun 2017 14:44:00 +0000 https://electrosome.com/?p=12255#comment-6804 Hi, very interesting your project. I am trying to reproduce it in my house, but I noticed that in the video and the images there is a transistor that is not in the list of components. Is the transistor needed? What is it?

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