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To create this Arduino 4x4 keypad password protected security system project you will need a list of parts, that are given below:
(Click on the name to buy it)
1. Arduino Mega
2. 4 Channel 5V Relay
3. 4x4 Matrix Keypad
4. S9g Servo
5. Breadboard with Jumper Wires
6. Piezo Alarm Buzzer
7. Led (Optional)
You can use the Schematic below to connect the circuit.
Connect Signal → Arduino Pin No-10
Connect VCC → +5v.
Connect GND → GND.
B. LED Connection:
LED 1 → Arduino Pin No-12
LED 2 → Arduino Pin No-13
Connect GND → GND.
C. Piezo Buzzer:
Connect Piezo Buzzer Long Pin → Arduino Pin No-11
Connect small pin (GND) → GND.
Open this code with Arduino IDE Software. Upload it to Arduino. You can also upgrade the code for better performance.
Please Share If you Like & if you got any problem to build Arduino 4x4 Keypad Password Protected Security System please let me know i will try my best to help.
In this post i will show you how to make Arduino 4x4 matrix keypad password protected System with 4 Channel 5v Relay Module and servo.
With the help of this project you can easily make your room door password protected lock.
Parts List:
To create this Arduino 4x4 keypad password protected security system project you will need a list of parts, that are given below:
(Click on the name to buy it)
1. Arduino Mega
2. 4 Channel 5V Relay
3. 4x4 Matrix Keypad
4. S9g Servo
5. Breadboard with Jumper Wires
6. Piezo Alarm Buzzer
7. Led (Optional)
Circuit Diagram-1:
You can use the Schematic below to connect the circuit.
Connection Procedure:
1. Arduino With 4 Channel 5v Relay:
Connect the IN1, IN2, IN3, IN4 , VCC and GND pins to your Arduino.
Connect IN1 → pin no 22 .
Connect IN1 → pin no 22.
Connect IN1 → pin no 23 .
Connect IN1 → pin no 24.
Connect VCC → +5v.
Connect GND → GND.
Connect IN1 → pin no 22 .
Connect IN1 → pin no 22.
Connect IN1 → pin no 23 .
Connect IN1 → pin no 24.
Connect VCC → +5v.
Connect GND → GND.
2. Arduino With 4x4 Matrix Keypad:
Connect 4x4 Matrix Keypad serially to Arduino pin no 5, 4, 3, 2, 6, 7, 8, 9.
3. Arduino with Servo, LED and Piezo Buzzer:
A. Servo Connection:
Connect Signal → Arduino Pin No-10
Connect VCC → +5v.
Connect GND → GND.
B. LED Connection:
LED 1 → Arduino Pin No-12
LED 2 → Arduino Pin No-13
Connect GND → GND.
C. Piezo Buzzer:
Connect Piezo Buzzer Long Pin → Arduino Pin No-11
Connect small pin (GND) → GND.
Arduino Code:
Open this code with Arduino IDE Software. Upload it to Arduino. You can also upgrade the code for better performance.
(Don't Compare this screenshot code with this Given code. I gave it to understand the process how to upload the code)
Video Demo:
Please Share If you Like & if you got any problem to build Arduino 4x4 Keypad Password Protected Security System please let me know i will try my best to help.
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