This tutorial describes how to build an Azure Relay host application that exposes a REST-based interface. REST enables a web client, such as a web browser, to access the Service Bus APIs through HTTP ...

In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board, one 1K and one 10K resistors, 1 BC547 transistor, one 6V or 12V relay, one 1N4007 diode and a 12V fan ...