Month: June 2020

Basic Structure of Computers

Introduction A computer is an electronic device capable of manipulating number and symbols, first taking input, processing it, storing and giving out output under a control of set instructions which is known as a program. A general purpose computer requires the following hardware components: memory, storage device (hard disk drive), input device (keyboard, mouse etc.), …

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WIFI CONTROLLED ROBOT USING BLYNK APP

INTRODUCTION: Blynk is a new platform that allows you to quickly build interfaces for controlling and monitoring your hardware projects from your iOS and Android device. After downloading the Blynk app, you can create a project dashboard and arrange buttons, sliders, graphs, and other widgets onto the screen. COMPONENTS REQUIRED: Nodemcu L298N motor driver 2 X Bo …

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Ultrasonic Sensor (HC-SR04) with NodeMCU esp8266

In this particular video I’ll be explaining you how to measure distance with the help of Ultrasonic Sensor which is programmed by NodeMCU esp8266. Components Used: Ultrasonic Sensor (HC-SR04) NodeMCU esp8266 Arduino UNO Breadboard Jumper Wires Before moving further, I must tell you that I’ll be using the Arduino IDE in order to program the …

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Uploading data from nodemcu to cloud via raspberry pi as a gateway

Introduction In this tutorial, we will go through how to send data from nodemcu to cloud firestore using raspberry pi as a gateway. Communication between nodemcu and raspberry pi is done by using the MQTT protocol. So, let’s get started… Required Components Raspberry Pi NodeMCU Temperature sensor – LM35 USB cables Jumper wires Circuit Diagram  …

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RFID based Contactless Body Temperature Screening Using Arduino

Since the outbreak of Covid-19, infrared thermometers is being used as a screening tool to scan the people at Airports, Railway Stations, and other crowded establishments. These scans are being used to identify potential patients of Covid-19. The government made it compulsory to scan everyone before entering the office, school, or any other crowded place. …

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Interfacing HC-SR04 Ultrasonic sensor with AVR Atmega16 microcontroller

INTRODUCTION:- In this project, we are going to interface HC-SR04 with AVR Atmega 16 microcontroller and display the value of the distance measured using an LCD display. This a very basic and interesting project which can help many of you to get a brief idea about the working of an ultrasonic sensor with the AVR. …

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Background Remover for Images

Introduction:This project makes use of Background subtraction techniques to remove the background and only show the contour of the image. I have used Open CV for this purpose. Software Requirements:1. Open CV2. Python 3 Basic Prerequisites:To understand the working of background subtraction, I’d recommend to read the following research paper:1. Background subtraction techniques: a review …

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Raspberry Pi and LoRa Peer to Peer Communication with Arduino

INTRODUCTION: – This project completely deals with the peer to peer communication between two modules Setup(micro-controllers) , e.g. Raspberry Pi and Arduino integrated with LoRa (SX127X). Here the Raspberry Pi setup will act as a Client and Arduino Setup will act as a Server. Raspberry Pi setup will send the data packets to Arduino setup …

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