Quadruped Robot with ESP8266 WiFi Control 🤖📶

Quadruped Robot

A WiFi-controlled quadruped robot built using NodeMCU ESP8266 and servo motors. The robot is operated via a mobile-friendly web interface, enabling real-time movement commands and omnidirectional control. Designed for educational and prototyping purposes with simple construction and low power requirements.

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Features ✨

• Wireless Control – Direct WiFi access point, no router required
• Mobile Responsive – Optimized for smartphones and tablets
• Omnidirectional Movement – Four-legged walking and turning
• Simple Construction – Built with ice cream sticks and basic components
• Low Power Consumption – Efficient servo control
• Plug & Play – No app installation needed, just a browser

Hardware Requirements 🛠️

Component	Quantity	Notes
NodeMCU ESP8266	1	Main controller board
Micro Servo Motors	4	SG90 or equivalent
Ice Cream Sticks	10-15	For body structure
Jumper Wires	10+	For connections
5V Power Supply	1	Battery pack or USB power bank
Breadboard	1	Optional for prototyping

Wiring Diagram 🔌

Servo	Function	GPIO Pin	NodeMCU Label
s1	Front Left	D1	GPIO5
s2	Front Right	D2	GPIO4
s3	Back Left	D5	GPIO14
s4	Back Right	D6	GPIO12

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Installation & Setup ⚙️

1. Arduino IDE Configuration

• Download and install the Arduino IDE
• Add ESP8266 board support:
  • Go to File > Preferences
  • Add to Additional Boards Manager URLs:

    http://arduino.esp8266.com/stable/package_esp8266com_index.json
    

  • Open Tools > Board > Boards Manager, search for "esp8266" and install

2. Upload Code to NodeMCU

• Connect NodeMCU via USB
• Select board: Tools > Board > NodeMCU 1.0 (ESP-12E Module)
• Select correct COM port
• Upload the robot control sketch (.ino file)

3. Required Libraries

• ESP8266WiFi.h
• ESP8266WebServer.h
• Servo.h

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Usage Instructions 🎮

1. Power on the robot
2. Connect to its WiFi network:
   • SSID: Quadruped_Robot
   • Password: (see your sketch for details)
3. Open a web browser and go to: http://192.168.4.1
4. Use the web interface to control movement and actions

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Project Notes

• All control is local; no internet or cloud required
• Designed for learning, prototyping, and demonstration
• Construction can be customized with available materials

License

This project is licensed under the MIT License.

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Developed by Wan Muhammad Danial. For questions or collaboration, contact via GitHub.