BTInjector

A tool that sends keystrokes wirelessly using Bluetooth for HID automation.

Key Features

• Minimal Setup.
• Simply controlled by Serial Bluetooth Terminal App.
• Execute payloads by just sending numbers.
• Store upto 9 payloads in the flash memory.

Hardware Requirements

• 1 Arduino Leonardo
• 1 HC-05 Bluetooth Module
• 4 Male to Female Jumper Wires

Pinout Table

Arduino Leonardo	HC-05
5V	VCC
GND	GND
TX	D10
RX	D11

• D means Digital Pin.

Connection Diagram

Setup

1. Download Arduino IDE from here according to your Operating System.
2. Simply install it.

Install

1. Download or Clone the Repository.
2. Open the folder and just double click on BTInjector.ino file.
3. It opens in Arduino IDE.
4. Compile the code.
5. Select the correct board from the Tools → Board → Arduino AVR Boards.
   • It is Arduino Leonardo.
6. Select the correct port number of that board.
7. Upload the code.

Generate Payloads

• Refer to this github repository - here.
• There are 4 example codes in that repository.
• Copy the code between Keyboard.begin(); and Keyboard.end(); and paste at the area of the code where //Put your payload here ;) is present.

Use

1. Turn on your mobile bluetooth.
2. Pair the HC-05 normally.
3. Enter the password - It is generally 0000 OR 1234.
4. Then open Serial Bluetooth Terminal app.
5. Click on ☰.
6. Click on Devices.
7. Click on Bluetooth Classic.
8. Click on the HC-05.
9. After that, when it show Connected it means it is ready to execute payloads.
10. Just type the number and click on Send button.
    • The payload of that number executes immediately.