Color Blindness Machine Project | Medicine Reminder project

COLOR BLINDNESS MACHINE

Color blindness is a common condition where people have trouble telling certain colors apart, which can affect their daily activities and work. This project aims to create a simple tool to detect color blindness using an Arduino Nano. The system has two panels: one for the person testing and one for the person being tested. By checking how the person responds to different colors, the system can tell if they are color blind.

The project uses an Arduino Nano, 7 LEDs, and 12 switches to make this tool. The system has a control panel and a result panel.

Components Required

1. Arduino Nano: The microcontroller used to control the system.
2. LEDs (7 units): Used to display colors corresponding to the control panel switches.
   • Different colors for each LED (e.g., Red, Green, Blue, Yellow, etc.)
3. Switches (12 units): Used as inputs on the control and result panels.
   • 6 switches labeled with numbers (1 to 6) for the control panel.
   • 6 switches labeled with color names for the result panel.
4. Resistors (12 units): Used for switches to prevent short circuits and control current.
5. Breadboard and Jumper Wires: For setting up the circuit connections.
6. Power Supply: To power the Arduino Nano and LEDs.

Circuit Connection

1. LED Connections:
   • Connect each of the 7 LEDs to the Arduino Nano pins D2 to D8.
   • Connect the cathode (negative) of each LED to the ground through a resistor (220Ω to 330Ω).
2. Control Panel Switches:
   • Connect one terminal of each switch to the Arduino Nano pins D9 to A1.
   • Connect the other terminal of each switch to the ground.
3. Result Panel Switches:
   • Connect one terminal of each switch to the Arduino Nano pins A2 to A7.
   • Connect the other terminal of each switch to the ground.

Circuit Diagram is given below:

Working

1. Setup:
   • Initialize the Arduino Nano, setting the LED pins as OUTPUT and the switch pins as INPUT.
2. Operation:
   • The tester (doctor) presses a switch on the control panel, which turns on the corresponding LED that displays a specific color.
   • The person being tested observes the lit LED and presses the switch on the result panel that they believe matches the color of the LED.
   • The system compares the switch pressed on the control panel with the switch pressed on the result panel.
3. Detection:
   • If the switch on the result panel matches the switch on the control panel, the 7th LED (indicator) lights up, indicating the person is not color blind.
   • If the switches do not match, the 7th LED remains off, indicating potential color blindness.

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