#define TRIG_PIN A0 //For Ultrasonic sensors if you change the place of the pin u have to change them as well #define ECHO_PIN A1 //For Ultrasonic sensors if you change the place of the pin u have to ...

Connect 3 sensor modules to 5V supply and ground pins of the arduino module. Connect Trigger and echo pins of each module to digital pins 2 to 7 as shown in the figure. Adjust their placement and ...

Smart Blind Stick using Arduino Circuit Diagram. The below circuit diagram shows the complete hardware wiring setup of the Arduino-based Smart Walking Stick for the Blind people, detailing how the ...

code: // C++ code // include the library code: #include // initialize the library with the numbers of the interface pins LiquidCrystal lcd(12, 11, 5, 4, 3, 2); int ultrasonic = 0; long ...

In this mode, you can interface the HC-SR04 ultrasonic ping sensor with a servo motor and the main board (Only some reward tiers include the extra servo motor PCB and servo motor kit).