Printing distance on lcd-screen using HC-SR04

[psoro]

Have a look here:

Problem with ultrasonic

Hi @KAUSTUBHAGARWAL, Adapt this code to your needs: #include <ESP8266_HardSer.h> #include <BlynkSimpleShieldEsp8266_HardSer.h> #include <SimpleTimer.h> #include <NewPing.h> // Set ESP8266 Serial object #define EspSerial Serial ESP8266 wifi(EspSerial); #define TRIGGER_PIN 9 // Arduino pin tied to trigger pin on the ultrasonic sensor. #define ECHO_PIN 8 // Arduino pin tied to echo pin on the ultrasonic sensor. #define MAX_DISTANCE 200 #define PING_INTERVAL 200 // Milliseconds between p…