COMPONENTS :

Arduino uno board

Jumper wires

Bread Board

TEA5767 FM radio module

THEORY :

For the technical details related to working of the module visit https://www.voti.nl/docs/TEA5767.pdf

CONNECTION :

Make the connections as shown in the fritzing.

CODE :

#include <TEA5767.h> #include <Wire.h> TEA5767 Radio; //Pinout SLC and SDA - Arduino uno pins A5 and A4 double old_frequency; double frequency; int search_mode = 0; int search_direction; unsigned long last_pressed; unsigned char buf[5]; int stereo; int signal_level; double current_freq; unsigned long current_millis = millis(); int inByte; int flag=0; void setup ()

{ Serial.begin(9600); Radio.init(); Radio.set_frequency(95.2); //On power on go to station 95.2 } void loop () { if (Serial.available()>0)

{ inByte = Serial.read(); if (inByte == '+' || inByte == '-')

{ flag=0; } } if (Radio.read_status(buf) == 1)

{ current_freq = floor (Radio.frequency_available (buf) / 100000 + .5) / 10; stereo = Radio.stereo(buf); signal_level = Radio.signal_level(buf); //By using flag variable the message will be printed only one time. if(flag == 0)

{ Serial.print("Current freq: "); Serial.print(current_freq); Serial.print("MHz Signal: "); //Strereo or mono ? if (stereo)

{ Serial.print("STEREO "); } else

{ Serial.print("MONO ");

} Serial.print(signal_level); Serial.println("/15"); flag=1; } } //When button pressed, search for new station if (search_mode == 1)

{ if (Radio.process_search (buf, search_direction) == 1)

{ search_mode = 0; } }

//If forward button is pressed, go up to next station if (inByte == '+')

{ last_pressed = current_millis; search_mode = 1; search_direction = TEA5767_SEARCH_DIR_UP; Radio.search_up(buf); }

//If backward button is pressed, go down to next station if (inByte == '-')

{ last_pressed = current_millis; search_mode = 1; search_direction = TEA5767_SEARCH_DIR_DOWN; Radio.search_down(buf); } delay(500); }

// If there is any problem while making this project feel free to ask in the comment.