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How To Electronics

Editor's Pick

Light Dimmer Circuit using 555 Timer IC & MOSFET
555 Timer Projects

Light Dimmer Circuit using 555 Timer IC & MOSFET

Mamtaz AlamDecember 2, 2024
Solar Radiation Measurement using Pyranometer sensor & Arduino
Arduino Projects

Solar Radiation Measurement using Pyranometer Sensor & Arduino

Mamtaz AlamAugust 30, 2023
RS-485 Half-Duplex Communication with MAX485 & Arduino
Arduino Projects

RS-485 Half-Duplex Communication with MAX485 & Arduino

Mamtaz AlamFebruary 2, 2025

Latest Posts

ESP32 Fingerprint Attendance System with Live Web Dashboard

ESP32 Fingerprint Attendance System with Live Web Dashboard

Mamtaz AlamUpdated:June 21, 202610 Mins Read
IoT Based PM & Air Quality Monitoring System using ESP32

IoT Based PM & Air Quality Monitoring System using ESP32

Mamtaz AlamUpdated:June 14, 202611 Mins Read
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

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

Arduino Projects & Tutorials

Full-Duplex Communication with MAX485 & Arduino

RS-485 Full-Duplex Communication with MAX485 & Arduino

Mamtaz AlamUpdated:February 2, 20258 Mins Read11K

Overview This tutorial is about RS-485 Full-Duplex Communication using MAX485 & Arduino. In our previous…

Automated Toll Collection System using RFID & Arduino

Automated Toll Collection System using RFID & Arduino

October 9, 2023
RGB LED Rotary Encoder Arduino

RGB LED Color Control using Rotary Encoder and Arduino

August 22, 2022
UV Sensor ML8511 Arduino

UV Sensor ML8511 & Arduino for UV Ray Intensity Meter

August 22, 2022

8×32 MAX7219 Dot Matrix LED Display with Arduino

October 9, 2022

IoT Projects & Tutorials

ESP8266 MPU6050 IoT Projects

ESP8266 & MPU6050 Tilt Angle Monitor on IoT Blynk

Mamtaz AlamUpdated:August 21, 202235 Mins Read3K
Gesture Controlled Virtual Mouse with ESP32-CAM & OpenCV ESP32-CAM Projects

Gesture Controlled Virtual Mouse with ESP32-CAM & OpenCV

Priyansh ShankhdharUpdated:May 29, 202337 Mins Read16K
IoT Based Visitor Counter IoT Projects

IoT Bidirectional Visitor Counter using ESPP8266 & MQTT

Mamtaz AlamUpdated:May 29, 202368 Mins Read5K
Voice Controlled Home Automation Using NodeMCU IoT Projects

Wifi & Voice Controlled Home Automation Using NodeMCU & Android

Mamtaz AlamUpdated:August 3, 2023175 Mins Read9K

Learn Electronics

555 Timer IC Working

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

January 24, 2025
Half Wave Rectifier

Half Wave Rectifier Basics, Circuit, Working & Applications

August 4, 2023
Full Wave Bridge Rectifier

Full Wave Rectifier Basics, Circuit, Working & Applications

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

Types of Diode : Overview, Symbol, Working & Applications

May 20, 2023

Product Reviews

2.4GHz Spectrum Analyzer Articles

How to use 2.4GHz Portable Spectrum Analyzer USB Dongle

Mamtaz AlamUpdated:February 1, 20266 Mins Read3K

Overview In this guide, we will learn about the 2.4GHz Portable Spectrum Analyzer USB Dongle…

Raspberry Pi Embedded System Development Kit for Beginners

Raspberry Pi Embedded System Development Kit for Beginners

August 18, 2023
MyArm 300 PI 2023 - Portable 7-Axis Robotic Arm Review

MyArm 300 Pi Unboxing & Usage – Portable 7-Axis Robotic Arm

February 2, 2025
Rust Arduino

How to Run Rust on Arduino UNO

May 20, 2023
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

DIY ESP32 Board for Battery Powered IoT Applications

DIY ESP32 Board for Battery Powered IoT Applications

ESP32 Stopwatch Timer

Stopwatch using ESP32 & LCD with Start, Stop & Reset Button

MLX90614 ESP8266 Blynk

IoT IR Thermometer using MLX90614 & ESP8266 on Blynk

ESP32 TFT Touch Screen Camera

ESP32 TFT Touch Screen Display Camera Based Projects

Decibel Meter using Sound Module & Arduino

Decibel Meter using Sound Module & Arduino with LCD Display

LoRa SX1278 ESP8266

ESP8266 & LoRa SX1278 Transmitter Receiver with DHT11

Trending Posts
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    12V DC to 220V AC Inverter Circuit & PCB
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    ESP32 Fingerprint Attendance System with Live Web Dashboard
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    ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
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    Buck Converter: Basics, Working, Design & Application
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    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
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    How to use INA219 DC Current Sensor Module with Arduino
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    LD2410 Sensor with ESP32 - Human Presence Detection
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    How to use INA226 DC Current Sensor with Arduino
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    Full Wave Rectifier Basics, Circuit, Working & Applications

Raspberry Pi Projects

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
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

Raspberry Pi Pico Projects

Desktop Dimming Light Raspberry Pi Pico Raspberry Pi

Desktop Dimming Light using Raspberry Pi Pico

Raspberry Pi Pico Projects

Billboard Scrolling with LCD Display & Raspberry Pi Pico

ADXL335 Raspberry Pi Pico Raspberry Pi Pico Projects

Interfacing ADXL335 Accelerometer with Raspberry Pi Pico

Raspberry Pi Pico W Projects

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

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

Electronics Circuits

12V DC to 220V AC Inverter Circuit & PCB

Mamtaz AlamUpdated:February 2, 2025144 Mins Read61K
DIY 5V 3A USB Charger for Car or Solar Panel

DIY 5V 3A USB Charger for Car or Solar Panel (4-30V Input)

September 12, 2023
3.7V to 9V Boost Converter

DIY 3.7V to 9V Boost Converter Circuit using MC34063

May 29, 2023
Power Supply for NodeMCU

Power Supply for NodeMCU with Battery Charger & Boost Converter

October 2, 2022

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 Read13K

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

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
Adjustable Auto On Off Delay Timer Circuit Using 555 IC

555 Based Adjustable Auto On Off Delay Timer Circuit

February 14, 2025
Negative Voltage Generator Circuit using 555 Timer IC

Negative Voltage Generator Circuit using 555 Timer IC

May 28, 2023

LoRa/LoRaWAN Projects

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…

OTAA LoRaWAN Node SX1276 Arduino LoRa/LoRaWAN Projects

OTAA-based LoRaWAN Node with Arduino & LoRa SX1276

Mamtaz AlamUpdated:May 28, 202327 Mins Read13K

Overview In this article, we will learn how we can create an OTAA-based LoRaWAN Node with Arduino & LoRa Module SX1276. In previous tutorial, we…

ESP32 Lora SX1278 ESP32 Projects

ESP32 & LoRa SX1278/76 Transmitter Receiver with OLED

Mamtaz AlamUpdated:May 26, 202336 Mins Read37K

In this tutorial, we will make Lora Transmitter & Receiver using Lora Module SX1278 & ESP32 Wifi Module. The communication type is a point to…

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DIY Colorimeter using AS7265x Spectroscopy Sensor & ESP32 ESP32 Projects

DIY Colorimeter using AS7265x Spectroscopy Sensor & ESP32

Mamtaz AlamUpdated:February 1, 202610 Mins Read1K
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

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

September 22, 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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