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IoT: Building Arduino-Based Projects by Drew Van Duren, Brian Russell, Pradeeka Seneviratne, Peter Waher

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Creating the actuator project

Another very common type of object used in automation and IoT is the actuator. While the sensor is used to sense physical magnitudes or events, an actuator is used to control events or act with the physical world. We will create a simple actuator that can be run on a standalone Raspberry Pi. This actuator will have eight digital outputs and one alarm output. The actuator will not have any control logic in it by itself. Instead, interfaces will be published, thereby making it possible for controllers to use the actuator for their own purposes.

Note

In the sensor project, we went through the details on how to create an IoT application based on HTTP. In this project, we will reuse much of what has already been done and ...

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