This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...

Overall, this circuit diagram showcases the essential components and connections necessary for the Human-following robot to operate effectively. Circuit Connection: Arduino and HC-SR04 Ultrasonic ...

An Arduino Nano-based rangefinder using an ultrasonic sensor and SH1106 OLED display, with visual feedback via LEDs and a laser pointer for accuracy. This project measures distance using an ultrasonic ...

Ultrasonic Sensor Measurement: The HC-SR04 ultrasonic sensor measures the distance to an object by emitting a sound wave and measuring the time it takes for the echo to return. The sensor is connected ...

Arduino Obstacle Avoiding Car Circuit Diagram . The complete circuit diagram for this 2wd obstacle avoiding robot is given below. As you can see, it uses an Ultrasonic sensor to take measurements in ...

Arduino based Fire Alarm – Circuit and Working Fig. 2 presents the circuit diagram for the fire alarm using a flame sensor and Arduino Nano. The system is powered by a step-down transformer (X1), a ...