Controlling LED's Using Ultrasonic Distance Sensor

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Controlling LED's Using Ultrasonic Distance Sensor

Turns the 2 LED's on and off by calculating the distance of the object from the Ultrasonic Sensor.

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Controlling LED's Using Ultrasonic Distance Sensor

blackpanda8563 25,958

Overview
Things
Story
Schematics
Code
Credits
Comments(2)

blackpanda856Published January 17, 2022 © GPL3+Controlling LED's Using Ultrasonic Distance Sensor

Turns the 2 LED's on and off by calculating the distance of the object from the Ultrasonic Sensor.

IntermediateFull instructions provided25,958 Controlling LED's Using Ultrasonic Distance Sensor

Things used in this project

Hardware components

Arduino UNO

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Breadboard (generic)

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5 mm LED: Red

5 mm LED: Green

Resistor 1k ohm

Male/Female Jumper Wires

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Buy from Adafruit

Ultrasonic Sensor - HC-SR04 (Generic)

Software apps and online services

Arduino IDE

Hand tools and fabrication machines

Wire Stripper & Cutter, 18-10 AWG / 0.75-4mm² Capacity Wires

Story

ThisisaBeginnerproject. The green led glows and red led switches off when the object is a particular distance far from the UltrasonicDistanceSensor.

The red led glows and green led switches off when the object is a particular distance near to the UltrasonicDistance Sensor.

YouTubeChannel:J4Jevins

Link :- https://youtube.com/J4Jevins

Circuit Diagram

This is the Circuit Diagram of this project. Assemble your project by following this circuit diagram.

Code

Code

Code

C/C++This is the code of this project. Copy paste this code to your Arduino IDE.#define Trigpin 7 #define Echopin 8 #define low_led 9 #define high_led 10 float distance; int duration; int ll = 700; void setup() { pinMode (Trigpin, OUTPUT); pinMode (low_led, OUTPUT); pinMode (high_led, OUTPUT); pinMode (Echopin, INPUT); Serial.begin(9600); Serial.println ("Welcome To Distance Meter"); Serial.println ("Coded By Jevins Annson"); digitalWrite (low_led, LOW); digitalWrite (high_led, LOW); } void loop() { digitalWrite(Trigpin, LOW); delayMicroseconds(2); digitalWrite(Trigpin, HIGH); delayMicroseconds(10); digitalWrite(Trigpin, LOW); duration = pulseIn(Echopin, HIGH); distance = duration * 0.034 / 2; delay (ll); Serial.println (" "); Serial.print ("Distance = "); Serial.print (distance); Serial.print (" CM"); Serial.println (" "); if (distance>=30) { Serial.println ("Nobody Is Infront Of the Sensor"); digitalWrite (low_led, HIGH); delay (500); digitalWrite (low_led, LOW); delay (500); digitalWrite (low_led, HIGH); } else { Serial.println ("Someone Is Infront Of the Sensor"); digitalWrite (high_led, HIGH); delay (100); digitalWrite (high_led, LOW); delay (100); digitalWrite (high_led, HIGH); delay (100); } }