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 ...

In this experiment we are going to work with a sensor which is a resistor that depends on light. In a dark environment, the resistor will have a very high resistance. As photons (light) land on the ...

WE CAN’T control the weather, but tech can at least give us a heads-up when the heavens open so we can bring in the washing or anything else left in the garden. We can do this with a digital rain ...

An Arduino is a microcontroller — a single board designed to control something and perform a specific task. Unlike a ...