Wireless Data transfer using Arduino

Transferring data between smartphones is quite easy with the help of apps like xender and share it. But when you are switching over a brand PC, data transfer from your old to new PC is sure to bring down your excitement. In this project, you will learn to transfer data using a cheap RF module (433 MHZ) and Arduino.

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Project description

Arduino Uno: Arduino is an open-source platform, often referred to as microcontroller. It is used for developing electronic projects. There are 14 digital and 6 analog pins on the Arduino UNO, that can be used for input and output. They operate at 5 volts and can provide or receive 20mA for recommended operating conditions.

Arduino IDE: Arduino IDE (Integrated Development Environment) is an open-source application used to program the Arduino board. It is a cross-platform application that runs on Windows, Mac, Linux, etc. It contains almost all the libraries to program the Arduino.

433 MHZ RF: It is a high sensitivity radio receiver module. These radio modules are widely used with microcontrollers for a variety of applications requiring wire-free radio control.

Adafruit RGB backlight LCD - 16x2: This is an upgrade to the standard 16x2 LCD. In this, you can change the background color to any of your choices. It is the most readable LCD during the daylight.

Breadboard: Breadboard is the salt and pepper of the DIY electronics. It is a solderless device for temporary electronic circuits. A generic breadboard has many holes in which various circuit components like ICs, transistors, diode, etc. are inserted.

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Rotary potentiometer: It is a variable resistor, which is used to calculate the EMF and resistance of a given cell and to compare the potentials of different cells.

Project Implementation

In this project you will use two Arduino boards one is used to transfer the data and the other receives the data. Following are the procedures to make the connections:

1. Connect the Arduino with LCD, Potentiometer and RF transmitter module.
2. Connect the other Arduino with LCD, Potentiometer and RF receiver module.
3. Receiver Arduino

• Setup and initialize the serial communications.
• Then read the user input from the serial monitor.

4. Send it to the receiver Arduino through the RF module then read the received data from the RF receiver. To perform the above task, you must know about "virtual wire" library.
5. For verification, you can display the encrypted data on LCD.
6. Read the data received from the RF receiver.
7. Write the received data to the serial port, then you can display it on the serial monitor.

Tips:

• To get a better display, try adjusting the LCD.
• Leave Arduino pins 0,1 untouched.

Software:

• Arduino IDE

Programming Language: C++ (Arduino IDE)

• Arduino UNO
• 433 RF receiver and transmitter
• Breadboard
• Potentiometer
• LCD

• Arduino
• Wireless

Wireless Data transfer using Arduino