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How To Electronics

Editor's Pick

Getting Started with Raspberry Pi Pico W using MicroPython
Raspberry Pi Pico W Projects

Getting Started with Raspberry Pi Pico W using MicroPython

Mamtaz AlamMarch 2, 2023
IoT Based Heart Rate Monitor
IoT Projects

IoT MQTT Based Heart Rate Monitor using ESP8266 & Arduino

Mamtaz AlamAugust 20, 2022
Face & Eyes Detection with OpenCV Raspberry Pi Camera
Raspberry Pi Projects

Face & Eyes Detection with OpenCV Raspberry Pi Camera

Mamtaz AlamAugust 24, 2023

Latest Posts

ESP32 Patient Health Monitor (ECG, SpO₂, BPM) & Live Dashboard

ESP32 Patient Health Monitor (ECG, SpO₂, BPM) & Live Dashboard

Mamtaz Alam13 Mins Read
Buck Converter vs Boost Converter

Buck Converter vs Boost Converter: Working, Differences & Applications

Mamtaz Alam12 Mins Read
ESP32 Fingerprint Voting Machine with Live Web Dashboard

ESP32 Fingerprint Voting Machine with Live Web Dashboard

July 12, 2026
ESP32 Fingerprint Attendance System with Live Web Dashboard

ESP32 Fingerprint Attendance System with Live Web Dashboard

July 6, 2026
IoT Based PM & Air Quality Monitoring System using ESP32

IoT Based PM & Air Quality Monitoring System using ESP32

June 14, 2026
DIY ESP32 MLX90640 IR Thermal Camera with Live Web Display

DIY ESP32 MLX90640 IR Thermal Camera with Live Web Display

May 10, 2026
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

Arduino Projects & Tutorials

Mobile Phone GSM Arduino

Nextion Display Based Mobile Phone using GSM & Arduino

Mamtaz AlamUpdated:August 21, 202275 Mins Read3K

This project is about 2.4-inch Nextion Display Based Mobile Phone using GSM Module & Arduino.…

GPS Vehicle Tracking System Arduino

GPS+GSM Based Vehicle Tracking System using Arduino

June 19, 2023
GSM Arduino Firebase

GSM & Arduino Communication with Firebase or Thingspeak

August 20, 2022
MCP4725 12-Bit Digital-to-Analog Converter with Arduino

How to use MCP4725 12-Bit DAC Module with Arduino

October 3, 2023
Interfacing DHT11 Humidity Temperature Sensor with Arduino LCD

Interfacing DHT11 Humdity & Temperature Sensor with Arduino & LCD

February 2, 2025

IoT Projects & Tutorials

ESP32 Music Player ESP32 Projects

DIY ESP32 Music Audio MP3 Player with OLED Display

Mamtaz AlamUpdated:August 21, 202266 Mins Read14K
IoT Based Patient Health Monitoring System using ESP8266 & Arduino IoT Projects

IoT Patient Health Monitoring with ESP8266 & Arduino

Mamtaz AlamUpdated:February 2, 202516 Mins Read56K
DIY ESP32 Board for Battery Powered IoT Applications ESP32 Projects

DIY ESP32 Board for Battery Powered IoT Applications

Mamtaz AlamUpdated:September 28, 202511 Mins Read6K
ESP Board Battery Powered ESP8266 Projects

Design your own ESP Board for Battery Powered IoT Applications

Mamtaz AlamUpdated:September 1, 20251010 Mins Read10K

Learn Electronics

AC to DC Converters

AC to DC Converters: Features, Design & Applications

May 20, 2023
DC-to-DC Step Up Boost Converter

Boost Converter: Basics, Working, Design & Application

August 4, 2023
LM386 Audio Amplifier

LM386 Audio Amplifier IC Pins, Working, Circuit & Applications

May 20, 2023
Types of Diode : Overview, Symbol, Working & Applications

Types of Diode : Overview, Symbol, Working & Applications

May 20, 2023

Product Reviews

Rust Arduino Arduino Projects

How to Run Rust on Arduino UNO

Mamtaz AlamUpdated:May 20, 202316 Mins Read3K

Overview The popularity of the Arduino programming platform has increased to the point where most…

RYS8830 GPS GNSS

Reyax RYS8830 GPS/GNSS Receiver Module Complete Guide

May 20, 2023
Lucid ONE - AI Planning 7 DOF Robotic Arm from AmberRobotics

Lucid ONE: AI Planning 7-DOF Robotic Arm Review

May 21, 2023
Shenzhen Huaqiu Electronics

Shenzhen Huaqiu Electronics Approach for upgrading Electronics Industry

April 14, 2024
DWIN HMI TFT LCD Display

Getting started with DWIN HMI TFT LCD Display

February 27, 2024
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Don't Miss

Fever Detector with MLX90640 & OpenCV Raspberry Pi

Thermal Fever Detector with MLX90640 & OpenCV Raspberry Pi

INA219 Current Sensor Module with Arduino

How to use INA219 DC Current Sensor Module with Arduino

Bluetooth Low Energy Arduino BlueIO

Create Bluetooth Low Energy Project using Arduino & BleuIO

ESP32 Home Automation with KME Smart IoT Platform

ESP32 Home Automation with KME Smart IoT Platform

Ultrasonic Range Finder ESP32

Ultrasonic Range Finder with ESP32 TFT Display & HC-SR04

IoT Applications for Enhanced Living & Working Environments

IoT Applications for Enhanced Living & Working Environments

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  • IoT Based ECG Monitoring with AD8232 ECG Sensor & ESP32
    IoT Based ECG Monitoring with AD8232 ECG Sensor & ESP32
  • Designing of MPPT Solar Charge Controller using Arduino
    Designing of MPPT Solar Charge Controller using Arduino
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    555 Timer IC - Features, Pinout, Working, Circuit, Operating Modes

Raspberry Pi Projects

Build a DIY Customized Mini PC using Raspberry Pi 4
Raspberry Pi Projects

Build a DIY Customized Mini PC using Raspberry Pi 4

Mamtaz AlamJanuary 8, 2024
Shape Based Object Tracking with OpenCV on Raspberry Pi
Raspberry Pi Projects

Shape Based Object Tracking with OpenCV on Raspberry Pi

Mamtaz AlamAugust 28, 2023

Raspberry Pi Pico Projects

Capacitive Soil Moisture Sensor Raspberry Pi Pico Raspberry Pi Pico Projects

Capacitive Soil Moisture Sensor with Raspberry Pi Pico

Laser Light Security System with Raspberry Pi Pico Raspberry Pi

Laser Light Security System with Raspberry Pi Pico & LDR

32 Projects with Elecrow Raspberry Pi Pico Advanced Kit Raspberry Pi Pico Projects

32 Projects with Elecrow Raspberry Pi Pico Advance Kit

Raspberry Pi Pico W Projects

Raspberry Pi Pico W thingspeak DHT11 Raspberry Pi Pico W Projects

Send Sensor Data to Thingspeak with Raspberry Pi Pico W

BME280 Raspberry Pi Pico W Web Server Weather Station Raspberry Pi Pico W Projects

BME280 & Raspberry Pi Pico W Web Server Weather Station

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

Power Electronics

Power Supply for NodeMCU ESP8266 Projects

Power Supply for NodeMCU with Battery Charger & Boost Converter

Mamtaz AlamUpdated:October 2, 202225 Mins Read18K
SG3525 PWM Inverter Circuit 12V to 220V, 300W, 5060 Hz

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

May 28, 2023

12V DC to 220V AC Inverter Circuit & PCB

February 2, 2025
Transformerless Power Supply

Transformerless Power Supply – 220V AC to 9V DC

May 29, 2023

555 Timer Projects

Gas Leak Detection & Alarm using 555 Timer IC 555 Timer Projects

Gas Leak Detection & Alarm using 555 Timer IC

Mamtaz AlamUpdated:February 2, 202524 Mins Read5K

Overview In this project, we will build a Gas Leak Detection & Alarm System using…

LED Blinking Circuit using 555 Timer

Automatic LED Blinking Circuit using 555 Timer IC – LED Flasher

February 14, 2025
Dark Activated Automatic Evening Lamp LDR 555

Dark Activated 220V Automatic Evening Lamp using LDR & IC 555

October 2, 2022
Water Level Alert using Float Sensor & 555 Timer

Water Level Alert using Float Sensor & 555 Timer

February 15, 2025
Dark/Light Detector using 555 Timer

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

February 2, 2025

LoRa/LoRaWAN Projects

Setting up LPS8N LoRaWAN Gateway with The Things Network LoRa/LoRaWAN Projects

Setting up LPS8N LoRaWAN Gateway with The Things Network

Mamtaz AlamUpdated:March 2, 20239 Mins Read2K

Overview This article provides a guide on how to set up the Dragino LPS8N open-source LoRaWAN Indoor Gateway with The Things Network Server (TTN Server).…

LoRa Relay Switch IoT Projects

LoRa Relay Switch – Control Home Appliances using LoRa

Mamtaz AlamUpdated:August 21, 202235 Mins Read5K

Overview: Control Home Appliances using LoRa Relay Switch In this project, we will make a LoRa Relay Switch or LoRa Based Power Relay Control System…

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…

Latest Posts

ESP32 Projects

ESP32 IoT Vehicle Motion Analyzer with MPU6050 & LIS3MDL

Mamtaz AlamUpdated:April 27, 202612 Mins Read1K
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
Flight Black-Box Motion Recorder using ESP32 & BMI160

Flight Black-Box Motion Recorder System using ESP32 & BMI160

December 7, 2025
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
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