ESP32 codes
cal_dist: this code calculates distance between two locations using latitude and longitude.
gps: this code displays the location on serial monitor.
mpu6050: this code displays the acceleration values on serial monitor in meter per seconds.
send_value: This code uploads the gps location to Thingspeak.
recive_test: This code gets the gps data from Thingspeak and displays on serial monitor.
final: This code is combination of all, it uploads new pothole location to thingspeak and recives pothole location already stored in thingspeak and alerts user about upcomming potholes.