Simple Distance Measuring Device

In this project we are going to learn how to use the HC-SR04 PING))) ultrasonic sensor to measure distance. This sensor is also often used on robots to detect obstacles.

Difficulty level: Easy

Time needed: ±10 minutes

Simple Distance Measuring Device

Step 1: Things You’ll Need

HC-SR04 PING sensor (x1)

Arduino UNO (x1)

LCD 16×2 (x1)

9V battery + dc adaptor (x1)

Potentiometer 10kΩ (x1)

Set of jumper wires

Step 2: Plug the PING sensor and LCD

HC-SR04

GND (pin 1) to potentiometer (left pin)

VCC (pin 2) to potentiometer (right pin)

VO (pin 3) to potentiometer (center pin)

RS (pin 4) to arduino digital pin 12

RW (pin 5) to potentiometer (left pin)

E (pin 6) to arduino digital pin 11

D4 (pin 11) to arduino digital pin 5

D5 (pin 12) to arduino digital pin 4

D6 (pin 13) to arduino digital pin 3

D7 (pin 14) to arduino digital pin 2

Potentiometer

left pin to arduino GND

right pin ro arduino 5V

PING Sensor

VCC to arduino 5V

Trig to arduino digital pin 7

Echo to arduino digital pin 6

9V battery

To arduino DC power socket

 

For more detail: Simple Distance Measuring Device

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