Web server Momentary Switch
Have you ever wanted to remotely control hardware outputs with just the press of a button on a webpage? Now that we have established a connection between the Blink Board and a web server, we can dive a little deeper into how to design a simple web-based button that functions as a momentary switch. This setup allows you to interact with the outputs of the Blink Board remotely, opening up endless possibilities for IoT and automation applications.
Whether you’re a student exploring the world of electronics or an enthusiast eager to expand your IoT skills, this guide provides an excellent starting point. You’ll learn how to seamlessly integrate web interfaces with hardware, making it easier than ever to control physical devices using the power of the web.
Objective
The primary objective of this project is to create a web server hosted on the ESP32 (used in the Blink Board), featuring a button that acts as a momentary switch. This button will remotely control specific outputs on the Blink Board, offering real-time responsiveness and efficiency.
- Host a web server .
- Create a simple button interface on a webpage.
- Control hardware outputs (e.g., a relay or LED) remotely with a momentary switch.
- Integrate IoT with a hands-on approach to automation.
When you click the button labeled ‘Press and Hold’, a specific output on the Blink Board will briefly turn on and then automatically turn off. This setup simulates the action of pressing a physical switch, but remotely via the web interface.
Testing the Button
Clicking the button will trigger an LED output on the Blink Board to turn on for 1 second, after which it will turn off automatically.
Open a browser and navigate to the IP address printed in the Serial Monitor (e.g., http://192.168.1.100).
You’ll see a simple webpage with a button labeled Press and Hold.
This project demonstrates how easy it is to connect physical devices to the web and control them remotely, making it a great introduction to IoT and automation