The camera sensor uh records the uh videos and provides it as a visual input to the Raspberry Pi. This Raspberry Pi processes the uh uh images and then sends a signal to the Arino to sound the buzzer. So here's a code in which uh this function, the setup function helps in setting up the uh setting up the buzzer on the Orno and function. It actually helps in sound on the puzzle. Here, it checks the data if it's available from the Bluetooth module and if it finds the codes such as E and the characters such as E and Y, it sent it triggers the buzzer to emit 22 beeps each of 600 milliseconds long and 100 milliseconds of gap between them.