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Tag: dolphin labs

31 Aug

Buzzer Interfacing with NodeMCU ESP8266

The project demonstrates how to interface a buzzer with the NodeMCU ESP8266 board. The buzzer is a simple audio output device that can generate sound when an electric signal is applied to it. By controlling the voltage applied to the buzzer, we can create different sounds and melodies Buzzer: ·        How Does the Buzzer Work: … Read more
10 Aug

Project creation /Compilation/Downloading steps in MPLAB IDE v8.70 

Step 1: click on MPLAB software icon and open it Step 2: To create new project click on project->Project wizard Step 3: Click on Next to continue Step 4: Select a device in which you want to dump a program and click on next. Step 5: select a language tool suit             We have used … Read more
13 Jul

Interfacing Buzzer with Arduino Board

  In this project, we will demonstrate how to interface a buzzer with an Arduino board. The buzzer will be used to generate sound or alert signals based on the Arduino’s control. Hardware Required: Circuit Diagram: Connect the components as follows: Connection Table: Here’s a connection table for the buzzer and Arduino: Buzzer Arduino Board Buzzer … Read more
06 Jul

 ThingSpeak – Getting Started

Go to ThingSpeak  (https://thingspeak.com/)   an click the “Get Started for Free” button to create a new account. This account is linked to a MathWorks account. So, if you already have a MathWorks account, you should log in with that account.  click the “Get Started for Free” button Fill the fields the click on “Continues” Button … Read more
04 Jul

PIR sensor Interfacing With Arduino

Introduction to PIR Sensor: A PIR sensor is a device that can detect the presence of humans or animals by measuring the infrared radiation emitted by their bodies. It is commonly used in security systems, motion-activated lighting, and other applications that require motion detection. Working Principle: A PIR sensor detects changes in infrared radiation within … Read more
01 Jul

DHT11  Sensor Interfacing with Arduino UNO

Introduction of  DHT11: The DHT11 is a low-cost temperature and humidity sensor that can be easily interfaced with an Arduino board. The DFRobot_DHT11 library provides functions and utilities to communicate with the DHT11 sensor and retrieve temperature and humidity readings. The process of using the DHT11 sensor with an Arduino board, including the necessary hardware … Read more
29 Jun

Load Cell Measurement using Arduino

Introduction In this project, we will build a system to measure the weight or force applied to a load cell using an Arduino microcontroller. The load cell will convert the applied force into an electrical signal, which will be amplified and processed by the Arduino. We will display the measured weight on an LCD screen. … Read more
27 Jun

Interfacing 1-Key Input Button to Control 1-LED

Project Overview: In this project, we will demonstrate how to interface a 1-key input button with an Arduino board to control the ON/OFF state of an LED. Each button press will toggle the LED’s state. Hardware Required: Circuit Diagram: Connect the components as follows: Note: The specific pin connections may vary depending on the type … Read more
26 Jun

Interfacing DC-Motor with Arduino Board

In this project, we will demonstrate how to interface a DC motor with an Arduino board. The Arduino will control the motor’s rotation direction. Hardware Required: Circuit Diagram: Connect the components as follows: Note: The motor driver module (e.g., L293D) is used to control the direction and speed of the DC motor. The specific connection … Read more
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