The experiment is for switching an acoustic sounder as a rain alarm after a predetermine time. It may, however, be tinkered for a number of other applications. Needless to say, this is a simple ...

When it comes to performance, there's a world of difference between the Raspberry Pi and Arduino. The former, after all, is technically a fully functional computer that can run games, word processors, ...

How can you detect the presence of a flame without a fancy commercial device? In this post I will describe how to build cheap flame sensors at home with a couple of methods. Second Method: Secondly, ...