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How To Electronics

Editor's Pick

Fire Alarm 555 Circuit
Electronics Circuits

Fire Alarm Circuit Using IC 555 Timer & Thermistor

Mamtaz AlamOctober 2, 2022
NeoPixel LED Strip WS2812B with Arduino
Arduino Projects

Interfacing NeoPixel LED Strip WS2812B with Arduino for Rainbow Color

Mamtaz AlamAugust 22, 2022
DIY Water Filling Machine using Flow Sensor & Arduino
Arduino Projects

DIY Water Filling Machine using Flow Sensor & Arduino

Mamtaz AlamMay 28, 2023

Latest Posts

IoT Based PM & Air Quality Monitoring System using ESP32

IoT Based PM & Air Quality Monitoring System using ESP32

Mamtaz Alam11 Mins Read
DIY ESP32 MLX90640 IR Thermal Camera with Live Web Display

DIY ESP32 MLX90640 IR Thermal Camera with Live Web Display

Mamtaz AlamUpdated:May 10, 202611 Mins Read1K
IoT Activity Tracker with ESP32 & Accelerometer Gyroscope

IoT Activity Tracker with ESP32 & Accelerometer/Gyroscope

May 2, 2026
A Guide to Sourcing Obsolete ICs for Vintage Projects

Beyond AliExpress: A Guide to Sourcing Obsolete ICs for Vintage Projects

April 21, 2026

ESP32 IoT Vehicle Motion Analyzer with MPU6050 & LIS3MDL

April 27, 2026
Building a Smart Sensor Node with a BLE Microcontroller

Building a Smart Sensor Node with a BLE Microcontroller

February 26, 2026
High-Accuracy Pitch, Roll, Yaw with ESP32 & BNO08x IMU

High-Accuracy Pitch, Roll, Yaw with ESP32 & BNO08x IMU

April 27, 2026
DIY Colorimeter using AS7265x Spectroscopy Sensor & ESP32

DIY Colorimeter using AS7265x Spectroscopy Sensor & ESP32

February 1, 2026

Arduino Projects & Tutorials

RTC Based Street Light Control Using Arduino & LDR

RTC Based Automatic Street Light Using Arduino & LDR

Mamtaz AlamUpdated:November 27, 202373 Mins Read3K

RTC Based Automatic Street Light Using Arduino & LDR In this project, we will learn…

Automated Toll Collection System using RFID & Arduino

Automated Toll Collection System using RFID & Arduino

October 9, 2023
RGB LED Strip Bluetooth Arduino

RGB LED Strip Color Control with Bluetooth & Arduino

August 22, 2022
Soil Ph Sensor Arduino

DIY Soil Ph Meter using Soil Ph Sensor & Arduino

October 24, 2024
Full-Duplex Communication with MAX485 & Arduino

RS-485 Full-Duplex Communication with MAX485 & Arduino

February 2, 2025

IoT Projects & Tutorials

IoT-enabled Smart Fridge with ESP8266 & DS18B20 IoT Projects

IoT-enabled Smart Fridge with ESP8266 WebServer

Mamtaz AlamUpdated:February 2, 2025210 Mins Read5K
IoT Solar Power Monitoring System ESP32 ESP32 Projects

IoT Based Solar Power Monitoring System with ESP32

Mamtaz AlamUpdated:March 28, 2024127 Mins Read26K
SX1276 STM32 LoRa/LoRaWAN Projects

Interfacing LoRa SX1276 with STM32 Microcontroller | LR1276-915MHz

Mamtaz AlamUpdated:May 29, 202317 Mins Read12K
STM32 Projects

STM32 & SIM900/800 HTTP Post Request in JSON Format

Mamtaz AlamUpdated:August 21, 202215 Mins Read3K

Learn Electronics

Types of Diode : Overview, Symbol, Working & Applications

Types of Diode : Overview, Symbol, Working & Applications

May 20, 2023
LM358 Dual Op Amp IC

LM358 Dual Op-Amp Features, Pins, Working & Applications

November 11, 2024
LM386 Audio Amplifier

LM386 Audio Amplifier IC Pins, Working, Circuit & Applications

May 20, 2023
Full Wave Bridge Rectifier

Full Wave Rectifier Basics, Circuit, Working & Applications

August 4, 2023

Product Reviews

Shenzhen Huaqiu Electronics Articles

Shenzhen Huaqiu Electronics Approach for upgrading Electronics Industry

Mamtaz AlamUpdated:April 14, 20247 Mins Read

Q. Can you briefly introduce the Shenzhen Huaqiu Electronics Company? We, Huaqiu Electronics, are an…

KAIWEETS KTI-W01 Thermal Imaging Camera In-Depth Review

KAIWEETS KTI-W01 Thermal Imaging Camera: In-Depth Review

April 1, 2025
Build a DIY Customized Mini PC using Raspberry Pi 4

Build a DIY Customized Mini PC using Raspberry Pi 4

January 8, 2024
PlayStation 5 vs Xbox Series X Compared

PlayStation 5 vs Xbox Series X Compared

October 14, 2023
The Best 60W Electric Soldering Iron Station

The Best 60W Electric Soldering Iron Station – Test & Review

June 28, 2025
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Don't Miss

STM32 PWM

STM32 PWM (Pulse Width Modulation) Tutorial with Servo Motor

Anemometer Arduino

How to Measure Wind Speed using Anemometer & Arduino

IoT Soil Nutrient Monitoring System

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IOT Based Analog Digital OLED Clock using NodeMCU

IoT Based Analog/Digital OLED Clock using NodeMCU

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Design for Manufacturing (DFM) – PCB Design & Analysis

Trending Posts
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  • How to use Modbus RTU with ESP32 to read Sensor Data
    How to use Modbus RTU with ESP32 to read Sensor Data
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Raspberry Pi Projects

Edge Detection & Motion Sensing with OpenCV on Raspberry Pi
Raspberry Pi Projects

Edge Detection & Motion Sensing with OpenCV on Raspberry Pi

Mamtaz AlamAugust 26, 2023
Home Automation Raspberry Pi
BLE Projects

Smart Phone Controlled Home Automation with Raspberry Pi

Mamtaz AlamOctober 21, 2022

Raspberry Pi Pico Projects

Raspberry Pi Pico OLED Keypad Calculator Raspberry Pi Pico Projects

Simple Calculator using Keypad, OLED & Raspberry Pi Pico

Desktop Dimming Light Raspberry Pi Pico Raspberry Pi

Desktop Dimming Light using Raspberry Pi Pico

HMC5883L Raspberry Pi Pico MicroPython Raspberry Pi Pico Projects

Interfacing HMC5883L Magnetometer with Raspberry Pi Pico

Raspberry Pi Pico W Projects

Home Automation using Raspberry Pi Pico W & Blynk 2.0 Raspberry Pi Pico W Projects

Home Automation using Raspberry Pi Pico W & Blynk 2.0

Building a Raspberry Pi Pico W & LM35 Web Server Raspberry Pi Pico W Projects

Building a Raspberry Pi Pico W & LM35 Web Server

IoT Controlled Relay using Raspberry Pi Pico W WiFi Raspberry Pi Pico W Projects

IoT Controlled Relay using Raspberry Pi Pico W WiFi

Power Electronics

Transformerless Power Supply Electronics Circuits

Transformerless Power Supply – 220V AC to 9V DC

Mamtaz AlamUpdated:May 29, 202374 Mins Read9K
Boost Converter 3.7V to 5V

DIY 3.7V to 5V Boost Converter for Lithium-Ion Battery

October 2, 2022
Voltage Doubler Simulation

12V to 24V Voltage Doubler Circuit

April 28, 2023
3.7V to 9V Boost Converter

DIY 3.7V to 9V Boost Converter Circuit using MC34063

May 29, 2023

555 Timer Projects

DIY LED Chaser Circuit using 555 Timer IC & CD4017 555 Timer Projects

LED Chaser Circuit using 555 Timer IC & CD4017

Mamtaz AlamUpdated:May 28, 202323 Mins Read12K

Overview In this article, we will make an LED Chaser Circuit using 555 Timer IC…

Light Dimmer Circuit using 555 Timer IC & MOSFET

Light Dimmer Circuit using 555 Timer IC & MOSFET

December 2, 2024
Dark/Light Detector using 555 Timer

Dark/Light Detector using 555 Timer & LDR – Electronics Mini Project

February 2, 2025
Negative Voltage Generator Circuit using 555 Timer IC

Negative Voltage Generator Circuit using 555 Timer IC

May 28, 2023
Adjustable Auto On Off Delay Timer Circuit Using 555 IC

555 Based Adjustable Auto On Off Delay Timer Circuit

February 14, 2025

LoRa/LoRaWAN Projects

LoRa Based Low Power GPS Tracker with Arduino & ESP8266 LoRa/LoRaWAN Projects

LoRa Based Low Power GPS Tracker with Arduino & ESP8266

Mamtaz AlamUpdated:November 11, 2024214 Mins Read16K

Overview In this project, we will build a LoRa Based Low Power GPS Tracker using Arduino & ESP8266. This is a special kind of GPS…

Sending Sensor Data LoRa Arduino Arduino Projects

Sending Sensor Data Wirelessly with LoRa SX1278 & Arduino

Mamtaz AlamUpdated:September 16, 202265 Mins Read12K

In this tutorial, we will learn about Sending & Receiving Sensor Data Wirelessly with LoRa Ra-02 SX1278 Module & Arduino. We will use DHT11 Humidity…

DIY LoRa-Enabled IoT Geo-Fencing using GPS, Arduino & ESP8266 LoRa/LoRaWAN Projects

LoRa-Enabled IoT Geo-Fencing using GPS, Arduino & ESP8266

Mamtaz AlamUpdated:November 11, 2024615 Mins Read6K

Overview This project is about making a DIY LoRa-Enabled IoT Geo-Fencing using GPS Module, Arduino & ESP8266. In today’s connected world, knowing an object’s location…

Latest Posts

Flight Black-Box Motion Recorder using ESP32 & BMI160 ESP32 Projects

Flight Black-Box Motion Recorder System using ESP32 & BMI160

Mamtaz AlamUpdated:December 7, 202510 Mins Read2K
Humidity & Temperature Monitoring using DHT11 & NodeMCU on ThingSpeak

ESP8266 & DHT11 Humidity Temperature Monitor on ThingSpeak

October 19, 2025
IoT based Battery SoC (%) Monitoring System with ESP32

IoT based Battery SoC (%) Monitoring System with ESP32

September 28, 2025

Speed-Run Translations: Making Fast-Moving Meme Videos Accessible Worldwide

September 22, 2025
DIY ESP32 Board for Battery Powered IoT Applications

DIY ESP32 Board for Battery Powered IoT Applications

September 28, 2025
Build IoT DC Energy Meter with ESP32 Web Dashboard

Build IoT DC Energy Meter with ESP32 Web Dashboard

September 5, 2025

The Future of Video Production: Adding Emotion with AI Voice Generators

August 26, 2025
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