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How To Electronics

Editor's Pick

Arduino Based Solar Tracker Using LDR & Servo Motor
Arduino Projects

Arduino Based Solar Tracker Using LDR & Servo Motor

Mamtaz AlamNovember 27, 2023
Home Automation Blynk
IoT Projects

IoT Home Automation using Blynk & NodeMCU ESP8266

Mamtaz AlamAugust 3, 2023
Data Logger SD Card Raspberry Pi Pico MicroPython
Raspberry Pi Pico Projects

Data Logger with SD Card & Raspberry Pi Pico MicroPython

Mamtaz AlamAugust 4, 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

GSM Arduino Firebase

GSM & Arduino Communication with Firebase or Thingspeak

Mamtaz AlamUpdated:August 20, 202266 Mins Read4K

Overview In this tutorial, we will learn how we can use GSM Module with Arduino…

Vibration Detection with SW-420 Vibration Sensor & Arduino

Vibration Detection with SW-420 Vibration Sensor & Arduino

February 2, 2025
Soil Ph Sensor Arduino

DIY Soil Ph Meter using Soil Ph Sensor & Arduino

October 24, 2024
Interface ADXL345 Accelerometer with Arduino & Processing Animation

Interfacing ADXL345 Accelerometer with Arduino

June 2, 2023
Gas Leakage Detector GSM Arduino

Gas Leakage Detector using GSM & Arduino with SMS Alert

February 2, 2025

IoT Projects & Tutorials

LD2410 Sensor with ESP32 - Human Presence Detection ESP32 Projects

LD2410 Sensor with ESP32 – Human Presence Detection

Mamtaz AlamUpdated:June 28, 202510 Mins Read29K
ESP32 Projects

Getting Started with ESP32 DW1000 UWB (Ultra Wideband) Module

Mamtaz AlamUpdated:January 4, 2024710 Mins Read28K
ESP32 UWB Pro - Ultra Wideband Module with Amplifier ESP32 Projects

ESP32 UWB Pro – Ultra Wideband Module with Amplifier

Mamtaz AlamUpdated:January 4, 20247 Mins Read5K
Gas Monitoring ESP8266 Gas Sensor IoT Projects

Gas Level Monitor On Internet Using ESP8266 & Gas Sensor

Mamtaz AlamUpdated:November 5, 2023154 Mins Read15K

Learn Electronics

DC-to-DC Step Up Boost Converter

Boost Converter: Basics, Working, Design & Application

August 4, 2023
Types of Diode : Overview, Symbol, Working & Applications

Types of Diode : Overview, Symbol, Working & Applications

May 20, 2023
AC to DC Converters

AC to DC Converters: Features, Design & Applications

May 20, 2023
Half Wave Rectifier

Half Wave Rectifier Basics, Circuit, Working & Applications

August 4, 2023

Product Reviews

Lucid ONE - AI Planning 7 DOF Robotic Arm from AmberRobotics Product Review

Lucid ONE: AI Planning 7-DOF Robotic Arm Review

Mamtaz AlamUpdated:May 21, 20234 Mins Read

Overview Amber Robotics is at the forefront of a new era in intuitive control and…

Shenzhen Huaqiu Electronics

Shenzhen Huaqiu Electronics Approach for upgrading Electronics Industry

April 14, 2024
2.4GHz Spectrum Analyzer

How to use 2.4GHz Portable Spectrum Analyzer USB Dongle

February 1, 2026
KAIWEETS KTI-W01 Thermal Imaging Camera In-Depth Review

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

April 1, 2025
Best 7 inch Raspberry Pi Touch Screen Display - SunFounder TS-7 Pro

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

August 1, 2023
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Don't Miss

Lithium Ion Battery Charger Circuit

Lithium-Ion Battery Charger Circuit using MCP73831

BME280 Raspberry Pi Pico W Web Server Weather Station

BME280 & Raspberry Pi Pico W Web Server Weather Station

DS18B20 STM32

Interfacing DS18B20 Temperature Sensor with STM32

Arduino DS3231 Based Real Time Clock

Arduino DS3231 Real Time Clock with Alarm & Temperature

Color Detection ESP32 CAM

Color Detection & Tracking with ESP32 CAM & OpenCV

Easy Pulse Sensor Arduino

Heart Rate BPM Meter using Easy Pulse Sensor & Arduino

Trending Posts
  • ESP32 Patient Health Monitor (ECG, SpO₂, BPM) & Live Dashboard
    ESP32 Patient Health Monitor (ECG, SpO₂, BPM) & Live Dashboard
  • ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
    ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
  • Buck Converter: Basics, Working, Design & Application
    Buck Converter: Basics, Working, Design & Application
  • 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
  • LD2410 Sensor with ESP32 - Human Presence Detection
    LD2410 Sensor with ESP32 - Human Presence Detection
  • ECG Graph Monitoring with AD8232 ECG Sensor & Arduino
    ECG Graph Monitoring with AD8232 ECG Sensor & Arduino
  • How to use Modbus RTU with ESP32 to read Sensor Data
    How to use Modbus RTU with ESP32 to read Sensor Data
  • DIY AC Energy Meter using PZEM-004T & Arduino
    DIY AC Energy Meter using PZEM-004T & Arduino
  • Silicon Controlled Rectifier (SCR): Construction, Working & Applications
    Silicon Controlled Rectifier (SCR): Construction, Working & Applications

Raspberry Pi Projects

DIY Thermal Imaging Camera using AMG8833 Raspberry Pi
Raspberry Pi Projects

DIY Thermal Camera with Raspberry Pi & AMG8833 Thermal Image Sensor

Mamtaz AlamJune 28, 2025
Getting Started & Setting up Raspberry Pi 4 Model B
Raspberry Pi Projects

Getting Started & Setting up Raspberry Pi 4 Model B

Mamtaz AlamDecember 20, 2022

Raspberry Pi Pico Projects

OLED Display Raspberry Pi Pico Raspberry Pi

Interfacing SSD1306 OLED Display with Raspberry Pi Pico

Raspberry Pi Pico OLED Keypad Calculator Raspberry Pi Pico Projects

Simple Calculator using Keypad, OLED & Raspberry Pi Pico

Traffic Light Controller Raspberry Pi Pico Raspberry Pi Pico Projects

Traffic Light Controller with Raspberry Pi Pico & MicroPython

Raspberry Pi Pico W Projects

Raspberry Pi Pico W OpenWeatherMap Raspberry Pi Pico W Projects

Raspberry Pi Pico W IoT Weather Station – OpenWeatherMap

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

Getting Started with Raspberry Pi Pico W using MicroPython

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

Power Electronics

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

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

Mamtaz AlamUpdated:October 2, 202213 Mins Read4K
Power Supply for ESP32 Board

Power Supply for ESP32 with Battery Charger & Boost Converter

September 12, 2023
Boost Converter 3.7V to 5V

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

October 2, 2022
Transformerless Power Supply

Transformerless Power Supply – 220V AC to 9V DC

May 29, 2023

555 Timer Projects

Adjustable Auto On Off Delay Timer Circuit Using 555 IC 555 Timer Projects

555 Based Adjustable Auto On Off Delay Timer Circuit

Mamtaz AlamUpdated:February 14, 20253 Mins Read2K

Overview In this tutorial, we will build an IC 555 Based Adjustable Auto On Off…

Fire Alarm 555 Circuit

Fire Alarm Circuit Using IC 555 Timer & Thermistor

October 2, 2022
Laser Security System using 555 Timer IC & LDR

Laser Security System using 555 Timer IC & LDR

May 13, 2023
Dark/Light Detector using 555 Timer

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

February 2, 2025
Dark Activated Automatic Evening Lamp LDR 555

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

October 2, 2022

LoRa/LoRaWAN Projects

ESP32 LoRa Web Server IoT Projects

ESP32 LoRa Sensor Data Monitoring on Web Server

Mamtaz AlamUpdated:November 27, 20237 Mins Read7K

In this project, we will make a sensor monitoring system on Web Server using an ESP32 board & LoRa Module SX1278 or SX1276. The device…

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…

RYLR890 Arduino Arduino Projects

How to use Reyax RYLR890 LoRa Module with Arduino

Mamtaz AlamUpdated:August 21, 202285 Mins Read12K

Overview In this project, we will learn how to use Reyax RYLR890 LoRa Module with Arduino. The RYLR890/RYLR896 transceiver module features the Lora long range…

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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