A-SGA01 - AutoGate Smart IR-Powered Servo Gate with LCD

Project Description:

AutoGate is a simple yet effective automated gate control system using an IR sensor, a servo motor, and a 16x2 LCD display. When the IR sensor detects motion (e.g., a person or object passing by), it automatically opens a gate by rotating the servo motor and displays the gate status on the LCD screen. After a short delay, the gate closes automatically and updates the status on the LCD.
This project demonstrates the basic principle of automation and access control, commonly used in smart homes, offices, parking systems, and secured areas.

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Components Required:

Component	Quantity	Description
Arduino Uno	1	Microcontroller board to control the system
IR Sensor Module	1	Detects motion or obstacle in front of the gate
Servo Motor (SG90)	1	Rotates to open or close the gate
16x2 LCD Display	1	Displays gate status: "Gate Opened" or "Gate Closed"
Potentiometer	1	For contrast adjustment of LCD (optional)
Jumper Wires	Several	For connections
Breadboard	1	To assemble the circuit (optional)
Power Supply (USB or 9V)	1	To power the Arduino board

Working Principle:

Initialization: The LCD is initialized and displays "Gate Closed". The servo motor is set to 0°, representing a closed gate.

Detection: The IR sensor continuously checks for motion in its detection range.

Action on Detection: When motion is detected "(digitalRead == HIGH)", the LCD updates to "Gate Opened". The servo rotates to 90°, opening the gate. The system waits for 5 seconds.

Closing the Gate: After the delay, the LCD displays "Gate Closed". The servo returns to 0°, closing the gate.

Looping: The process continues indefinitely, checking for new motion.

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Project Outcomes & Applications:

Outcomes:
Demonstrates how sensors can trigger physical actions (servo movement).
Shows real-time user feedback via an LCD screen.
Introduces the concept of automation with timing and condition checks.
Serves as a foundation for advanced projects like smart doors or automated barriers.

Applications:
Smart Home Automation: Automatically opens gates/doors when someone approaches.
Parking Systems: Entry/exit control in parking lots.
Security Systems: Only allows movement when motion is detected.
Robotics: Gate or arm control in moving machines.
Educational Demonstrations: Great for school/college-level projects to learn about Arduino, sensors, and automation.