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How To Electronics

Editor's Pick

IoT Based Heart Rate Monitor
IoT Projects

IoT MQTT Based Heart Rate Monitor using ESP8266 & Arduino

Mamtaz AlamAugust 20, 2022
Arduino Projects

NRF24L01 & Arduino Wireless Temperature Monitor with DHT11

Mamtaz AlamAugust 22, 2022
DIY LED Chaser Circuit using 555 Timer IC & CD4017
555 Timer Projects

LED Chaser Circuit using 555 Timer IC & CD4017

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

INA226 DC Current Sensor Arduino

How to use INA226 DC Current Sensor with Arduino

Mamtaz AlamUpdated:November 11, 2024310 Mins Read54K

Overview In this tutorial, we will learn how to interface the INA226 DC Current Sensor…

SIM7600 Arduino

Using SIM7600 4G GSM with Arduino | AT Commands, Call, SMS

August 20, 2022
RFID RC522 Attendance System Arduino

RFID RC522 Attendance System Using Arduino with Data Logger

February 19, 2023
Arduino DS3231 Based Real Time Clock

Arduino DS3231 Real Time Clock with Alarm & Temperature

August 22, 2022
Interfacing Multiple DS18B20 Temperature Sensors to Arduino

Interfacing Multiple DS18B20 Temperature Sensors to Arduino

February 2, 2025

IoT Projects & Tutorials

ESP32 MicroPython - Interfacing Ultrasonic Sensor HC-SR04 ESP32 MicroPython

ESP32 MicroPython – Interfacing Ultrasonic Sensor HC-SR04

Mamtaz AlamUpdated:August 21, 20224 Mins Read4K
A9G GPRS GPS Internet Arduino Projects

Internet with A9G Low Power GPRS+GPS Module & Arduino

Mamtaz AlamUpdated:August 21, 202215 Mins Read4K
ESP32 LoRa Web Server IoT Projects

ESP32 LoRa Sensor Data Monitoring on Web Server

Mamtaz AlamUpdated:November 27, 20237 Mins Read7K
Decibelmeter ESP8266 IoT Projects

IoT Decibelmeter with Sound Sensor & ESP8266

Mamtaz AlamUpdated:July 10, 202385 Mins Read11K

Learn Electronics

L293D Motor Driver IC

L293D Dual H-Bridge Motor Driver IC Pins, Circuit, Working

May 20, 2023
555 Timer IC Working

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

January 24, 2025
L298N Dual H-Bridge Motor Driver IC

L298 Dual H-Bridge Motor Driver IC Pins, Working, Applications

May 20, 2023
Full Wave Bridge Rectifier

Full Wave Rectifier Basics, Circuit, Working & Applications

August 4, 2023

Product Reviews

Best 7 inch Raspberry Pi Touch Screen Display - SunFounder TS-7 Pro Raspberry Pi

Best 7 inch Raspberry Pi Touch Screen Display – SunFounder TS-7 Pro

Mamtaz AlamUpdated:August 1, 20237 Mins Read2K

Overview In this guide, we will learn about the best 7-inch Raspberry Pi Touch Screen…

RYS8830 GPS GNSS

Reyax RYS8830 GPS/GNSS Receiver Module Complete Guide

May 20, 2023
Raspberry Pi Embedded System Development Kit for Beginners

Raspberry Pi Embedded System Development Kit for Beginners

August 18, 2023
Lucid ONE - AI Planning 7 DOF Robotic Arm from AmberRobotics

Lucid ONE: AI Planning 7-DOF Robotic Arm Review

May 21, 2023
Mars Rover Robot Replica using ESP32 CAM & Arduino

Mars Rover Robot Replica using ESP32 CAM & Arduino

February 2, 2025
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Don't Miss

IoT Web Controlled Smart Notice Board with ESP8266

IoT Web Controlled Smart Notice Board with ESP8266

OTAA LoRaWAN Node SX1276 Arduino

OTAA-based LoRaWAN Node with Arduino & LoRa SX1276

Temperature to Voltage Converter Circuit

Temperature to Voltage Converter using Thermistor & 741

SD Card Module Arduino

Using SD Card Module with Arduino | Read/Write/Data Logger

Anemometer Arduino

How to Measure Wind Speed using Anemometer & Arduino

Anemometer ESP32

Measure Wind Speed with Anemometer on ESP32 TFT Display

Trending Posts
  • 12V DC to 220V AC Inverter Circuit & PCB
    12V DC to 220V AC Inverter Circuit & PCB
  • IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
    IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
  • Designing of MPPT Solar Charge Controller using Arduino
    Designing of MPPT Solar Charge Controller using Arduino
  • ECG Graph Monitoring with AD8232 ECG Sensor & Arduino
    ECG Graph Monitoring with AD8232 ECG Sensor & Arduino
  • How to use INA226 DC Current Sensor with Arduino
    How to use INA226 DC Current Sensor with Arduino
  • IoT Based Electricity Energy Meter using ESP32 & Blynk
    IoT Based Electricity Energy Meter using ESP32 & Blynk
  • Buck Converter: Basics, Working, Design & Application
    Buck Converter: Basics, Working, Design & Application
  • How to use INA219 DC Current Sensor Module with Arduino
    How to use INA219 DC Current Sensor Module with Arduino
  • LD2410 Sensor with ESP32 - Human Presence Detection
    LD2410 Sensor with ESP32 - Human Presence Detection
  • DIY AC Energy Meter using PZEM-004T & Arduino
    DIY AC Energy Meter using PZEM-004T & Arduino

Raspberry Pi Projects

Face & Eyes Detection with OpenCV Raspberry Pi Camera
Raspberry Pi Projects

Face & Eyes Detection with OpenCV Raspberry Pi Camera

Mamtaz AlamAugust 24, 2023
Raspberry Pi UPS Power Bank with Battery Monitoring on Blynk
Raspberry Pi Projects

Raspberry Pi UPS Power Bank with Battery Monitoring on Blynk

Mamtaz AlamJanuary 24, 2025

Raspberry Pi Pico Projects

Raspberry Pi Pico Kit Raspberry Pi Pico Projects

Raspberry Pi Pico Primer Kit for Beginners & Students – 10 Projects

DS18B20 Raspberry Pi Pico Raspberry Pi Pico Projects

Interfacing DS18B20 Sensor with Raspberry Pi Pico

Seeed XIAO RP2040 Raspberry Pi Pico Projects

Getting Started with Seeed XIAO RP2040 with Projects

Raspberry Pi Pico W Projects

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

Building a Raspberry Pi Pico W & LM35 Web Server

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

BME280 & Raspberry Pi Pico W Web Server Weather Station

Raspberry Pi Pico W OpenWeatherMap Raspberry Pi Pico W Projects

Raspberry Pi Pico W IoT Weather Station – OpenWeatherMap

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

12V DC to 220V AC Inverter Circuit & PCB

February 2, 2025
Voltage Doubler Simulation

12V to 24V Voltage Doubler Circuit

April 28, 2023
Lithium Ion Battery Charger Circuit

Lithium-Ion Battery Charger Circuit using MCP73831

September 12, 2023

555 Timer Projects

555 Timer Projects

Voltage Doubler Circuit using 555 Timer IC

Mamtaz AlamUpdated:May 13, 20235 Mins Read3K

Overview In this guide we will make a Voltage Doubler Circuit using 555 Timer IC.…

Rainfall Detector Alarm using 555 Timer & Rain Sensor

Rainfall Detector Alarm using 555 Timer & Rain Sensor

February 2, 2025
Flashing Police Light LED Effect using 555 Timer

Flashing Police Light LED Effect using 555 Timer

June 25, 2023
PWM Based DC Motor Speed Control using 555 Timer

PWM Based DC Motor Speed Control using 555 Timer

August 10, 2023
Laser Security System using 555 Timer IC & LDR

Laser Security System using 555 Timer IC & LDR

May 13, 2023

LoRa/LoRaWAN Projects

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…

IoT Projects

Sending Ra-07 LoRaWAN Node Data to The Things Network Server

Mamtaz AlamUpdated:August 20, 202227 Mins Read3K

Overview In this project, we will take a look at a Ra-07 LoRaWAN Node from Makerfabs & send some sensor data to The Things Network…

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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