Introduction
The Web Serial API allows web applications to communicate with serial devices such as microcontrollers, Arduinos, and other hardware directly from the browser.
How Web Serial API Works
- Device Connection – A user selects a serial device through the browser prompt.
- Data Exchange – Once access is granted, the application can send and receive data over a serial connection.
Practical Use Case: Flashing Microcontrollers via the Browser
Developers can use Web Serial API to create web-based tools for flashing firmware onto devices like Arduino or ESP32 without needing desktop software.
Browser Support
Web Serial API is available in Chrome 89+ across desktop platforms but not supported in Firefox or Safari.
🔗 Check browser support on Can I Use
Advantages of Web Serial API
- Eliminates the need for standalone serial software
- Enables real-time monitoring of hardware via web interfaces
- Works on multiple platforms with a consistent API
💡 Conclusion: The Web Serial API enhances the web’s ability to interact with hardware, making it an essential tool for IoT and embedded development.
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