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How To Electronics

Editor's Pick

RGB LED Rotary Encoder Arduino
Arduino Projects

RGB LED Color Control using Rotary Encoder and Arduino

Mamtaz AlamAugust 22, 2022
Brain Computer Interface
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Brain Computer Interface (BCI) System Overview & Applications

Mamtaz AlamMay 27, 2023
Decibel Meter using Sound Module & Arduino
Arduino Projects

Decibel Meter using Sound Module & Arduino with LCD Display

Mamtaz AlamJuly 10, 2023

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IoT Based PM & Air Quality Monitoring System using ESP32

IoT Based PM & Air Quality Monitoring System using ESP32

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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

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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

Bidirectional Visitor Counter Arduino

Bidirectional Visitor Counter with Automatic Light Control using Arduino

Mamtaz AlamUpdated:November 27, 202387 Mins Read9K

Overview In this project, we will make a Bidirectional Visitor Counter with an Automatic Light…

BME680 Arduino

Interfacing BME680 Integrated Environmental Sensor with Arduino

August 21, 2022
BME280 Arduino

BME280 & Arduino Based Simple Weather Station

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ECG Display using Pulse Sensor with OLED & Arduino

ECG Display using Pulse Sensor with OLED & Arduino

May 26, 2023
DC Motor Control using MPU6050 Gyro/Accelerometer

DC Motor Control with Arduino MPU6050 Gyro/Accelerometer

November 26, 2023

IoT Projects & Tutorials

Product Counter ESP32 CAM ESP32-CAM Projects

Industrial Product Counter using ESP32 CAM & OpenCV

Mamtaz AlamUpdated:May 29, 202377 Mins Read12K
ESP32 UWB Indoor Location Positioning ESP32 Projects

ESP32 DW1000 UWB Indoor Location Positioning System

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Send Sensor Data Google Firebase ESP8266 IoT Projects

Send Real-Time Sensor Data to Google Firebase with ESP8266

Mamtaz AlamUpdated:August 21, 202246 Mins Read14K
ESP32 Music Player ESP32 Projects

DIY ESP32 Music Audio MP3 Player with OLED Display

Mamtaz AlamUpdated:August 21, 202266 Mins Read14K

Learn Electronics

Dc-to-DC Step Down Buck Converter

Buck Converter: Basics, Working, Design & Application

August 4, 2023
Silicon Controlled Rectifier (SCR) Construction & Working

Silicon Controlled Rectifier (SCR): Construction, Working & Applications

December 2, 2024
555 Timer IC Working

555 Timer IC – Features, Pinout, Working, Circuit, Operating Modes

January 24, 2025
LM386 Audio Amplifier

LM386 Audio Amplifier IC Pins, Working, Circuit & Applications

May 20, 2023

Product Reviews

RYS8830 GPS GNSS Articles

Reyax RYS8830 GPS/GNSS Receiver Module Complete Guide

Mamtaz AlamUpdated:May 20, 202336 Mins Read2K

Overview In this post, we will learn how to use Reyax RYS8830 GPS/GNSS Receiver Module…

Lucid ONE - AI Planning 7 DOF Robotic Arm from AmberRobotics

Lucid ONE: AI Planning 7-DOF Robotic Arm Review

May 21, 2023
Rust Arduino

How to Run Rust on Arduino UNO

May 20, 2023
Mars Rover Robot Replica using ESP32 CAM & Arduino

Mars Rover Robot Replica using ESP32 CAM & Arduino

February 2, 2025
Build a DIY Customized Mini PC using Raspberry Pi 4

Build a DIY Customized Mini PC using Raspberry Pi 4

January 8, 2024
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Don't Miss

Fire Detection Flame Sensor Arduino

Fire Detection System using Flame Sensor & Arduino

IoT AC Energy Meter with ESP32 & HDMI Display

IoT AC Energy Meter with ESP32 & HMI Display

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D.O. Meter using Analog Dissolved Oxygen Sensor & Arduino

AC to DC Converters

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Raspberry Pi Projects

Thermal Imaging Camera with MLX90640 & Raspberry Pi
Raspberry Pi Projects

DIY Thermal Imaging Camera with MLX90640 & Raspberry Pi

Mamtaz AlamMay 2, 2026
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Raspberry Pi Pico Projects

Shift Register 74HC595 with Raspberry Pi Pico & MicroPython Raspberry Pi Pico Projects

Shift Register 74HC595 with Raspberry Pi Pico & MicroPython

Raspberry Pi Pico OLED Keypad Calculator Raspberry Pi Pico Projects

Simple Calculator using Keypad, OLED & Raspberry Pi Pico

Control Stepper Motor with A4988 Driver & Raspberry Pi Pico Raspberry Pi Pico Projects

Control Stepper Motor with A4988 Driver & Raspberry Pi Pico

Raspberry Pi Pico W Projects

BME280 Raspberry Pi Pico W Blynk Raspberry Pi Pico W Projects

Raspberry Pi Pico W send BME280 Sensor Data to Blynk 2.0

IoT LED Control using Blynk 2.0 & Raspberry Pi Pico W Raspberry Pi Pico W Projects

IoT LED Control using Blynk 2.0 & Raspberry Pi Pico W

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

Building a Raspberry Pi Pico W & LM35 Web Server

Power Electronics

SG3525 PWM Inverter Circuit 12V to 220V, 300W, 5060 Hz Power Electronics

SG3525 PWM Inverter Circuit 12V to 220V, 300W, 50/60 Hz

Mamtaz AlamUpdated:May 28, 202318 Mins Read28K
0-35V Variable Power Supply Using XL4015 DC-DC Converter

0-35V Variable Power Supply Using XL4015 DC-DC Converter

October 2, 2022
Power Supply for NodeMCU

Power Supply for NodeMCU with Battery Charger & Boost Converter

October 2, 2022
Lithium Ion Battery Charger Circuit

Lithium-Ion Battery Charger Circuit using MCP73831

September 12, 2023

555 Timer Projects

Fire Alarm 555 Circuit Electronics Circuits

Fire Alarm Circuit Using IC 555 Timer & Thermistor

Mamtaz AlamUpdated:October 2, 202212 Mins Read5K

Overview In this mini-project, we are going to learn how to make a Simple Fire…

Negative Voltage Generator Circuit using 555 Timer IC

Negative Voltage Generator Circuit using 555 Timer IC

May 28, 2023
Project for Girlfriend - Heart Shaped Serial LED Flasher Circuit using 555 Timer

Heart Shaped LED Flasher Circuit using 555 Timer

June 25, 2023
DIY LED Chaser Circuit using 555 Timer IC & CD4017

LED Chaser Circuit using 555 Timer IC & CD4017

May 28, 2023
Servo Motor Controller & Tester Circuit using 555 Timer IC

Servo Motor Controller & Tester Circuit using 555 Timer IC

October 8, 2023

LoRa/LoRaWAN Projects

LoRa Weather Station Arduino Projects

LoRa Based Wireless Weather Station with Arduino & ESP32

Mamtaz AlamUpdated:August 3, 2023159 Mins Read13K

Overview: LoRa Based Wireless Weather Station In this project, we will learn how to make LoRa Based Wireless Weather Station using Arduino Pro Mini &…

Interfacing SX1278 LORA Arduino Arduino Projects

Interfacing SX1278 (Ra-02) LORA Module with Arduino

Mamtaz AlamUpdated:August 22, 2022237 Mins Read62K

In this tutorial, we will learn about Interfacing SX1278 (Ra-02) LORA Module with Arduino. We will see SX1278 LORA & Arduino example and make a…

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…

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

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IoT based Battery SoC (%) Monitoring System with ESP32

IoT based Battery SoC (%) Monitoring System with ESP32

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

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DIY ESP32 Board for Battery Powered IoT Applications

DIY ESP32 Board for Battery Powered IoT Applications

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Build IoT DC Energy Meter with ESP32 Web Dashboard

Build IoT DC Energy Meter with ESP32 Web Dashboard

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

August 26, 2025
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