There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network ...
Most could probably even write a phone application to do the control. But do you want ... for an external Internet connection. The system supports Arduino and ESP controllers.
The Interaction Design Institute in Turin, Italy, created Arduino in 2005 to provide people of all ages with an easy, inexpensive way to build electronic devices and control them with rudimentary ...