Circuit Diagram. Here the Nokia 5110 LCD is used to display the Light level and distance.The Nokia 5110 LCD operates at 3.3V so it can’t be connected with Arduino Nano digital pins directly. So add ...

Arduino (any compatible board), HC-SR04 Ultrasonic Sensor, Jumper Wires, Breadboard (optional), #Circuit Diagram: Trig Pin of HC-SR04 → Arduino Pin 9, Echo Pin of HC-SR04 → Arduino Pin 10, VCC of ...

Measuring Distance Using Arduino. The Technique used here is just useful on small scale systems where a small distance is to be found. To implement it on a large scale, ... The circuit diagram of this ...

Measure distance using an ultrasonic sensor and display it on the Serial Monitor. Ultrasonic Distance Measurement with Arduino This project demonstrates how to use an HC-SR04 ultrasonic sensor with an ...

The circuit is built around Arduino Uno (MOD1), ultrasonic sensor HC-SR04 (S1), HC-05 Bluetooth module (MOD2), buzzer (B1), and LEDs. The ultrasonic sensor is used to maintain proper distancing, and a ...

A taxi meter in cabs and autorickshaws calculates the fare based on the distance travelled. Here is a circuit that calculates the trip fare based on the rate per km and displays the distance travelled ...