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06 Oct Using the 74HC595 Shift Register
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The 74HC595 is an integrated circuit featuring an 8-bit shift register and a storage register with tri-state parallel outputs. It converts serial input into parallel output, allowing you to conserve MCU I/O pins.When MR (pin 10) is set to high level and OE (pin 13) is set to low level, data is clocked into the shift register on the rising edge of S..
06 Oct IoT Home Automation using ESP8266 Web Server
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Overview: Home Automation using ESP8266 Web ServerIn this project, we learn how to make IoT Based Home Automation using ESP8266 Web Server. By Home Automation we mean controlling lighting and appliances without any manual switch but using a system that is connected to the Internet. When connected to the Internet, home devices are an important const..
06 Oct DIY AC Energy Meter using PZEM-004T & Arduino
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OverviewIn this project, we will interface PZEM-004T (a compact AC power monitoring module) with Arduino to build a single phase AC Energy Meter. PZEM-004T Current and Voltage reader is a module that can measure current, voltage, active power (W), energy (kWh), frequency, and power factor. The module uses Modbus-RTU, a standard protocol for industr..
03 Oct Part 2:- Designing of MPPT Solar Charge Controller using Arduino
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Arduino Source Code/ProgramWe can use Arduino IDE to write the MPPT Solar Charge Controller Project Code. The code has all the parameters and functions to measure Solar Panel Voltage, Current, Power, Battery Voltage, Charger state, SOC, PWM duty cycle, load status. The 20×4 LCD Display will show the real-time status of this parameters.The code requ..
03 Oct Part 1:- Designing of MPPT Solar Charge Controller using Arduino
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OverviewIn this project we are going to build our own MPPT Solar Charge Controller using Arduino and by combining many active-passive electronics. MPPT means Maximum Power Point Tracking Controller. Most solar panels produce much higher voltage than is necessary to charge a 12V battery. A 12V charging panel will actually produce 16 to 18 volts, dep..
02 Oct LM358 Dual Op-Amp Features, Pins, Working & Applications
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Introduction to Dual Op Amp IC LM358The LM358 is a highly versatile and widely used dual operational amplifier (op-amp) integrated circuit (IC) that has become a cornerstone in electronics due to its reliability, affordability, and flexibility. This IC integrates two independent, high-gain, frequency-compensated operational amplifiers within a sing..
07 Feb Using the gravity Arduino Turbidity Sensor
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The gravity arduino turbidity sensor detects water quality by measuring the levels of turbidity, or the opaqueness. It uses light to detect suspended particles in water by measuring the light transmittance and scattering rate, which changes with the amount of total suspended solids (TSS) in water. As the TTS increases, the liquid turbidity level in..
04 Feb What is I3C: The Next Generation of I2C
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Since its introduction in 1982, the I2C (Inter-Integrated Circuit) protocol has been one of the most widely used communication standards in embedded systems and IoT (Internet of Things) devices. With its simple two-wire architecture, low cost, and high compatibility, I2C has become the preferred method for communication between microcontrollers, se..
01 Jan Arduino vs. Raspberry Pi: Choosing the Right Platform for Your Project
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 In the world of electronics and DIY projects, two well-renowned platforms have become famous choices among hobbyists and professionals: Arduino and Raspberry Pi. Both Arduino and Raspberry Pi provide extraordinary features and abilities, but choosing the right platform for your project requires comprehending their strengths, restrictions, and the ..
01 Jan How to Start with the Raspberry Pi (Part 2)
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Today we are going to discuss the invisible thing that makes computers, including the Raspberry Pi, work. And ultimately, setting up the Pi for actual use.Table Of ContentsOperating SystemsRaspberry Pi OSThe Kernel and FirmwareRaspberry Pi ImagerSetting Up the PiOperating SystemsThe operating system (also called OS) is an abstraction layer that mak..
01 Jan The Raspberry Pi Starter (Part 1)
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This tutorial is all about the Raspberry Pi – a pocket-sized computer that can teach you several computer science technologies, including writing in several programming languages, building an operating system, and even creating your own gaming console!Table Of ContentsRaspberry PiComputers vs. MicrocontrollerChoosing a Raspberry PiSide-by-Side Comp..
01 Jan Wireless Keypad Transmitter with LCD Feedback
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In this project, I’ll guide you through creating a Wireless Keypad Data Transmitter with LCD Feedback system. The goal is to build a simple yet functional wireless communication setup. Using an NRF24L01 module, a keypad, and an LCD screen. You’ll learn how to send data wirelessly from the keypad and have it displayed on the LCD in real-time. It dem..
01 Jan Controlling the Raspberry Pi GPIO using Python
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Another popular feature of the Raspberry Pi is its ability to interact with a wide range of electronic components, and the easiest way to do this is by using Python. In this tutorial, you will learn how to use the general-purpose input/output pins (GPIO) of Raspberry Pi using Python. 3Things you need:Raspberry PiLEDResistorsBreadboardJumper wiresTa..
01 Jan ESP8266 Fan Controller and LCD Display
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The “ESP8266 Fan Controller and LCD Display” designed to control a fan using a microcontroller. A tactile button is used to turn the fan on and off. While an LCD display shows the current status of the fan. This setup makes it simple for anyone to use, offering a modern solution for fan control.This project focuses on simplicity and usability. The ..
01 Jan Send Receive SMS & Call with SIM800L GSM Module & Arduino
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Whether you want to monitor your home from afar or activate the sprinkler system in your garden with a missed call; then the SIM800L GSM/GPRS module can serve as a solid launching point!The SIM800L GSM/GPRS module is a miniature GSM modem that can be used in a variety of IoT projects. You can use this module to do almost anything a normal cell phon..
31 Dec Getting Started with LCD 1602: A Beginner’s Guide
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Getting Started with LCD 1602: A Beginner’s Guide                       The LCD 1602 is one of the most commonly used display modules in electronics projects. Thanks to its simplicity and versatility. It allows you to display data such as text, numbers, or status messages. Making it ideal for projects like temperature monitors, digital clocks, or e..
31 Dec How to Control the Raspberry Pi GPIO using C
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How to Control the Raspberry Pi GPIO using C                                                                     A low-level language like C is more efficient in programming microcontrollers because it is closer to machine language. In this tutorial, you will learn how to use the general-purpose input/output pins (GPIO) of Raspberry Pi using C.Thin..
08 Sep [SOLVED] DHT11/DHT22 – Failed to read from DHT sensor
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This is a troubleshooting guide for the most common issues with the DHT sensor when using ESP32, ESP8266, Arduino, or similar boards.If you get an error message in your serial Monitor while reading the temperature and humidity from the DHT11, DHT22, AM2302 or AM2301 sensor, follow the next steps to see if you can make it work.“Failed to read from D..
08 Sep ESP32 with DHT11/DHT22 Temperature and Humidity Sensor using Arduino IDE
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This tutorial shows how to use the DHT11 and DHT22 temperature and humidity sensors with the ESP32 using Arduino IDE. We’ll go through a quick introduction to these sensors, pinout, wiring diagram, and finally the Arduino sketch.Learn how to display temperature and humidity readings on a web server using the ESP32 or ESP8266 boards:ESP32 DHT11/DHT2..
08 Sep ESP8266 DHT11/DHT22 Temperature and Humidity Web Server with Arduino IDE
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In this project you’ll create a standalone web server with an ESP8266 that displays the temperature and humidity with a DHT11 or DHT22 sensor using the Arduino IDE. The web server you’ll build can be accessed with any device that has a browser on your local network.Throughout this tutorial we’ll show how to build two different web servers:Web Serve..
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