Arduino – debounce

Hello let’s talk a little about switches. Switches in general are usually mechanical in nature. To be more precise they are two contacts which are shorted out by a mobile metal element. This metal element is pushed off the contact with a spring. Why am I going into all this …

Arduino – inputs

We had a look at how the Arduino board can influence the exterior world but that would be incomplete without a look on how the board can accept inputs from said world. Digital inputs In the same way we saw while using them as outputs, the GPIO (General purpose input …