You would have probably read about the SONAR that’s used in ships. By taking the same concept into a small form factor we get a distance sensor. This sensor is available in multiple variants and I’ll ...

And so, I challenged myself to make a game out of those. Connect the HC-SR04 Ultrasonic Sensor Trig pin to Arduino pin 12. Connect the HC-SR04 Ultrasonic Sensor Echo pin to Arduino pin 11. Connect the ...