ESP8266 Distance Measurement with Sharp IR Sensor Project

Project Overview

This project demonstrates how to interface a Sharp IR distance sensor with an ESP8266 microcontroller. The sensor reads distance values and displays the results on the Serial Monitor.

Components Needed

• ESP8266 Microcontroller
• Sharp IR Distance Sensor
• Jumper Wires
• Breadboard (optional)

Block Diagram

Circuit Setup

1. Connecting the Sharp IR Sensor to ESP8266:
   • VCC: Connect to the 3.3V pin on the ESP8266.
   • GND: Connect to the GND pin on the ESP8266.
   • Output: Connect to the A0 pin on the ESP8266.

Instructions

1. Code Upload:

   • Open the Arduino IDE with ESP8266 board support installed.
   • Install the necessary libraries (Wire and Adafruit_TCS34725).
   • Create a new sketch and paste the provided Arduino code.
   • Connect the ESP8266 to your computer, select the appropriate board and port from the Tools menu.
   • Upload the code to the ESP8266.

2. Testing:

   • After uploading the code, open the Serial Monitor.
   • You should see the distance sensor readings (analog value, voltage, and calculated distance) printed to the Serial Monitor every half second.

Applications

• Proximity Detection: Use the IR sensor for applications requiring distance measurement, such as obstacle detection in robots.
• Automatic Doors: Measure distance to trigger automatic door mechanisms.
• Level Measurement: Monitor levels of liquids or solids in containers.

Notes

• Calibration: Adjust the voltage-to-distance conversion formula based on calibration for accurate distance readings.
• Power Supply: Ensure a stable power supply to the ESP8266 and Sharp IR sensor.

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Useful Links

🌐 ProjectsLearner - ESP8266 Distance Sensor
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