Arduino Uno Q: Web-Based Relay Control via Dashboard (Python & Bridge API)
Welcome back to "Journey to Tomorrow"! 🚀 Today, we are pushing the boundaries of the new Arduino Uno Q.
In this video, we go beyond simple LEDs and use the board's hybrid architecture to control a Relay Module directly from a Web Browser. You will see how the Qualcomm processor (Linux side) communicates with the microcontroller (MCU side) through the Bridge API, allowing Python and C++ to work as one seamless team.
📢 Important Notes
Non-Sponsored Content: This video is NOT sponsored. All equipment was purchased by me, and the opinions expressed are entirely my own.
Based on Official Examples: This project is based on and inspired by the official examples from the Arduino SRL App Lab. I have modified the code to specifically work with Relay modules and custom logic.
🛠️ What you will learn:
✅ How to wire a Relay to the Arduino Uno Q (Pin 7).
✅ Understanding the "Bridge" between the Linux MPU and the MCU.
✅ A deep dive into the C++ Sketch and Python WebUI code.
✅ Real-time hardware switching using the built-in Web Dashboard.
⚠️ OFFICIAL SAFETY DISCLAIMER
ATTENTION: This educational project is designed exclusively for use with low voltage (up to 12V DC). Working with high-voltage networks (110V-240V AC) involves a fatal risk of electric shock and fire. For any application requiring connection to a mains power supply, it is imperative to consult a licensed electrician or a qualified technician. Use of this information is at your own exclusive risk.
🔗 Resources & Links:
Full Article & Code:
travletothefurureprogramming.blogspot.com/2026/02/arduino-uno-q-relay-web-prototyping.html
Arduino Official Site: www.arduino.cc
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0:00 Demo
0:19 Compoments
0:30 Wiring
1:18 Code
1:47 Dashboard