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Interface DS18B20 with Raspberry Pi 4
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Hello friends, I hope you all are having fun. Today, we are going to share the 7th tutorial of Section-III in our Raspberry Pi Programming Course. In the last tutorial, we interfaced a DHT11 sensor with Raspberry Pi 4. Today, we are going to interface another temperature sensor i.e. DS18B20 with Raspberry Pi 4. DS18B20 is a popular temperature sensor especially in severe/critical environments i.e. chemical plants, mines, industrial sites etc. because of its 1-wire operational technique and accurate readings up to 4 decimal digits. Project Description Today, we will interface a DS18B20 temperature sensor with Raspberry Pi 4 and will display the values on a 16x2 LCD.Let's have a look at the components required for this project: Components ...
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How to Setup a Web Server in Raspberry Pi 4?
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Hello friends, I hope you all are doing great. Today, we are going to share the 2nd tutorial of Section-VIII in the Raspberry Pi Programming Course. In the previous tutorial, we interfaced a Barcode Scanner with Raspberry Pi 4. In today's tutorial, we will discuss how to set up a web server in raspberry pi. So, let's get started: Components Required We are going to use the following components, in today's project: Ethernet cable MicroSD card Keyboard Mouse HDMI cable Monitor Expand FileSystem When configuring a Raspberry Pi, select the expand FileSystem option to ensure that all of the Micro SD storage is allocated for the operating system and modify the default Pi passwords to protect your server from attacker ...
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ESP32 Firebase
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Hello readers, I hope you all are doing great. In this tutorial, we will learn how to access Firebase (a real-time database) to store and read values or data with ESP32. It is Google’s mobile application development platform that can be used to can access, monitor and control ESP32 from anywhere in the world with its (firebase) real-time database. What is Firebase? Firebase real-time database is a development platform provided by Google which included multiple services to manage and authenticate data. Firebase is basically a mobile and web app development platform I as works great with Android APIs) that includes features like firebase cloud, real-time data and Firebase authentication etc. As per Firebase’s official documentation (https://firebase.google.com/docs/database), whenever a us ...
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Motion Detection with ESP32 & PIR Sensor
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Hello readers, we hope you all are doing great. Welcome to the 4th lecture of Section 5(ESP32 Sensor) in the ESP32 Programming Series. So far, we have discussed the ESP32 built-in sensors in this section. Today, we are going to interface an external embedded sensor(i.e. PIR Sensor) with the ESP32 Microcontroller board. At the start, we will discuss the basics of a PIR Sensor(HC-SR501) i.e. its pinout and working. After that, we will design a simple project to detect the motion with a PIR sensor and ESP32. Finally, we will display the motion detection results on the ESP32 WebServer. We will use ESP32 interrupts to detect the motion. Interrupts are used when a microcontroller needs to continuously monitor an event while executing other tasks at the same time. We have already posted a tuto ...
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How to Create a Time-Lapse Animations with Raspberry Pi 4
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Welcome to the next tutorial of our Raspberry Pi programming course. Our previous tutorial looked at how to Interface DS18B20 with Raspberry Pi 4. This tutorial will teach us how to create a time-lapse video with still images and understand how phototimer and FFmpeg work. What is time-lapse? When photographing something over a lengthy period, "time-lapse" comes to mind. A video can be created by mixing the still photos. Plant development may be tracked with time-lapse movies, as can the changing of the seasons. They can also be utilized as low-resolution security cameras. Components Raspberry pi 4B Pi camera Connect to the Raspberry Pi Cameras that can be used with the Raspberry Pi are a bit limi ...
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Smart Attendance System using RFID with Raspberry Pi 4
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Greetings! This is the complete project of our Raspberry Pi 4 tutorials. In our previous tutorial, we learned to set up our raspberry pi as a virtual private network server. In this tutorial, we will design a smart attendance system using an RFID card reader, which we will use to sign in students in attendance in a class. First, we will design a database for our website, then we will design the RFID circuit for scanning the student cards and displaying present students on the webpage, and finally, we will design the website that we will use to display the attendees of a class. Components RFID card kit Breadboard Jumper wires Raspberry pi 4 I2C LCD screen Design a database in MySQL server Additionally, the Database server offers a DBMS ...
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Introduction to Atoms
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Hello, friends today we will discuss the basic concept of chemistry it is our first tutorial series in which we will discuss: Atom Molecule Ion Molecular ion Now in this article, we will discuss atoms. Its definitions, examples, properties, its evolutionary history, and also some important facts in the form of questions. Atom Definitions A tiny particle that cannot be seen with a naked eye so-called atom. Or Atom is the lowest unit of matter and is often divided without the discharge of electrically charged particles. Or Atom is the introductory structure block of chemistry. Examples From molecule; Hydrogen (H2) It has two atoms. Nitrogen (N3) It has three atoms From elements; Helium(He) It has two electron Properties We discuss different properties of atoms ...
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Introduction to Organic Chemistry
Introduction to organic chemistry, organic chemistry, organic compounds, carbon components, carbon chemistry, types of organic chemistry
In this article, we will discuss the introduction to organic chemistry in which we will study organic compounds, classification of organic compounds, types of formulas, use, significances, general and covalent bond characteristics of organic compounds, and homologous series and his characteristics. 9 out of 10 takes the organic chemistry too tough but I explained it easily and simply to you. This article is for beginners and clears many topics. Introduction to organic chemistry Old Definition: “The chemistry of compounds obtained from living things.” Vital force theory Swedish Chemist Jacob Berzelius put forward this theory in the 19th century. State “ Organic compounds could not be synthesized in the laboratory due to the influence of a mysterious force called vital force, which occur ...
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Installing Thonny IDE for Raspberry Pi Pico Programming
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Hello readers, I hope you all are doing great. In our previous tutorial, we discussed the installation procedure of Visual Studio Code for programming Raspberry Pi Pico. We have already mentioned in our previous tutorials that RP2040 or Raspberry Pi Pico supports multiple programming languages like C/C++, Circuit python, MicroPython cross-platform development environments. Raspberry Pi Pico module consists of a built-in UF2 bootloader enabling programs to be loaded by drag and drop and floating-point routines are baked into the chip to achieve ultra-fast performance. There are multiple development environments to program a Raspberry Pi Pico board like Visual Studio Code, Thonny Python IDE, Arduino IDE etc. So, in this tutorial, we will learn how t ...
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How to Control Raspberry Pi 4 from Laptop using VNC
How to Control Raspberry Pi 4 from Laptop using VNC, why use vnc, vnc protocol, what is vnc, whats a vnc server, vnc with RPi4, RPi4 vnc control
This is the third tutorial in our Raspberry Pi programming course. In the previous chapter, we learned how to install Raspbian on our Raspberry Pi mini-computer. In this chapter, we'll learn how to use a VNC server to remotely control and see its desktop from our computer. What is VNC? Computing over a network is known as "virtual network computing," or "VNC." To remotely control another computer, you can use this screen-sharing technology, which works on all major operating systems. As a result, a remote user can interact with a computer's display (screen, keyboard, and mouse) as if they were sitting right in front of it. VNC takes advantage of the client/server concept. Rather than installing a VNC s ...