How to Build a Smart Garage Door Opener - Sensor for Under $100

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Learn how to build a smart garage door opener and sensor system for under $100 using a Raspberry Pi 3. Discover the hardware components needed for sensing and signaling, and explore the software applications required for both the Raspberry Pi and smartphone control. Gain insights into setting up remote access, connecting your phone to the system, and integrating all components. Explore additional features like automated alerts for extended door openings. This practical tutorial empowers you to create a cost-effective, smartphone-controlled garage door system that allows you to open the door remotely and check its status from anywhere, solving common issues like forgotten keypads or uncertainty about door closure.