This project uses an HC-SR04 ultrasonic sensor to measure the distance of an object. If an object is detected within a specific range (e.g., 10 cm), the SG90 servo motor rotates to 90 degrees, the ...

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 ...

Enclosed are the ultrasonic sensor, a temperature sensor and an LED indicating the power status. On the other side of the CAT5 cable can be found an Arduino compatible board with an XBee shield ...