Introduction

Distance measurement is a fundamental aspect in various applications, from robotics to home automation. This experiment focuses on integrating the HC-SR04 ultrasonic sensor with the NodeMCU (ESP8266) microcontroller to create a wireless and versatile distance measurement system. The project aims to explore the accuracy, adaptability, and potential applications of this IoT-based solution.

Objective

The primary objective is to design, implement, and evaluate a distance measurement system using the HC-SR04 sensor and NodeMCU. Specific goals include assessing accuracy, enabling wireless connectivity, showcasing versatility in different applications, and providing a foundation for future enhancements in the realm of IoT and automation.

Requirements:

NodeMCU (ESP8266)
Breadboard
HC-SR04 Ultrasonic Sensor
USB Cable
Jumper Wires
Arduino IDE Software

Conclusion

You can read the project file, it is in github repository {click on code, you will get there} and I am concluding it now, in conclusion, the experiment on "Distance Measurement Using HC-SR04 Via NodeMCU (ESP8266)" has provided valuable insights into the integration of ultrasonic sensors with IoT platforms for accurate and wireless distance measurements. The challenges encountered during the project, including circuit connections, code errors, and accuracy issues, have been addressed through systematic testing, debugging, and calibration efforts.