1. Arduino official website – https://www.arduino.cc/
2. ATmega328P Pin Mapping – https://www.arduino.cc/en/Hacking/PinMapping168
3. ATmega328P Microcontroller on a Breadboard – https://www.arduino.cc/en/Tutorial/ArduinoToBreadboard
4. GY-9250 MPU module datasheet – https://www.invensense.com/wp-content/uploads/2015/02/PS-MPU-9250A-01-v1.1.pdf
5. 433 MHz RF transmitter and receiver datasheet – https://components101.com/433-mhz-rf-receiver-module