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How To Electronics

Editor's Pick

PCB Design Process
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The processes of PCB Design that you should know

Mamtaz AlamMarch 12, 2025
Cycloconverters Design, Working, Types & Applications
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Cycloconverters: Design, Working, Types & Applications

Mamtaz AlamMay 20, 2023
CCS811 Arduino
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Measure CO2 & TVOC using CCS811 Gas Sensor & Arduino

Mamtaz AlamMay 29, 2023

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ESP32 Fingerprint Attendance System with Live Web Dashboard

ESP32 Fingerprint Attendance System with Live Web Dashboard

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IoT Based PM & Air Quality Monitoring System using ESP32

IoT Based PM & Air Quality Monitoring System using ESP32

Mamtaz AlamUpdated:June 14, 202611 Mins Read1K
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

DC Motor Control using MPU6050 Gyro/Accelerometer

DC Motor Control with Arduino MPU6050 Gyro/Accelerometer

Mamtaz AlamUpdated:November 26, 202326 Mins Read6K

Introduction: In this project, we are going to learn about DC Motor Control using MPU6050…

Call SMS GSM Arduino

Simple Phone: Call & SMS using GSM Module & Arduino

August 22, 2022
Arduino QR Code Barcode Scanner

Barcode + QR Code Reader using Arduino & QR Scanner Module

May 29, 2023
Fire Detection Flame Sensor Arduino

Fire Detection System using Flame Sensor & Arduino

February 2, 2025
Arduino PN532 NFC

Arduino+PN532 NFC Based Payment, Entrance & Security System

August 20, 2022

IoT Projects & Tutorials

IoT pH Sensor ESP32 ESP32 Projects

DIY IoT Water pH Meter using pH Sensor & ESP32

Mamtaz AlamUpdated:August 20, 202217 Mins Read59K
GSM Arduino Firebase Arduino Projects

GSM & Arduino Communication with Firebase or Thingspeak

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IoT Based 12V Battery Monitoring System with ESP8266 ESP8266 Projects

IoT Based 12V Battery Monitoring System with ESP8266

Mamtaz AlamUpdated:August 10, 202334 Mins Read13K
ESP32 Fingerprint Sensor Door Lock Security System ESP32 Projects

ESP32 Fingerprint Sensor Based Door Lock Security System

Mamtaz AlamUpdated:October 4, 2023117 Mins Read20K

Learn Electronics

Op Amp IC 741 Basics, Characteristics, Pins & Applications

Op Amp IC 741 Basics, Characteristics, Pins, Applications

November 28, 2024
Cycloconverters Design, Working, Types & Applications

Cycloconverters: Design, Working, Types & Applications

May 20, 2023
AC to DC Converters

AC to DC Converters: Features, Design & Applications

May 20, 2023
Switched-Mode Power Supply SMPS

Switched Mode Power Supply: SMPS Design & Applications

May 20, 2023

Product Reviews

DWIN HMI TFT LCD Display Articles

Getting started with DWIN HMI TFT LCD Display

Mamtaz AlamUpdated:February 27, 202455 Mins Read17K

Overview This guide is about DWIN HMI Touch Screen TFT LCD Display. HMI Means Human-Machine…

Build a DIY Customized Mini PC using Raspberry Pi 4

Build a DIY Customized Mini PC using Raspberry Pi 4

January 8, 2024
Lucid ONE - AI Planning 7 DOF Robotic Arm from AmberRobotics

Lucid ONE: AI Planning 7-DOF Robotic Arm Review

May 21, 2023
KAIWEETS KTI-W01 Thermal Imaging Camera In-Depth Review

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

April 1, 2025
The Best 60W Electric Soldering Iron Station

The Best 60W Electric Soldering Iron Station – Test & Review

June 28, 2025
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Don't Miss

Interfacing Multiple DS18B20 Temperature Sensors to Microcontroller

Interfacing Multiple DS18B20 Temperature Sensors to Microcontroller

ABP LoRaWAN Node Arduino

ABP-based LoRaWAN Node with Arduino & LoRa SX1276

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Square Wave Generator Circuit with Op-Amp IC 741

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How to use ADS1220 24-Bit ADC Module with Arduino

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Simple PWM Lamp Dimmer Circuit using IC 555 Timer

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Water Level Alert using Float Sensor & 555 Timer

Trending Posts
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Raspberry Pi Projects

Text-to-Speech Speaking Robot Raspberry Pi 4
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Text-to-Speech Speaking Robot using Raspberry Pi 4

Mamtaz AlamOctober 30, 2022
Raspberry Pi Embedded System Development Kit for Beginners
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Mamtaz AlamAugust 18, 2023

Raspberry Pi Pico Projects

Desktop Dimming Light Raspberry Pi Pico Raspberry Pi

Desktop Dimming Light using Raspberry Pi Pico

PIR Motion Sensor Raspberry Pi Pico Raspberry Pi Pico Projects

Interfacing PIR Motion Sensor with Raspberry Pi Pico

Raspberry Pi Pico Camera Raspberry Pi

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Raspberry Pi Pico W Projects

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

IoT Controlled Relay using Raspberry Pi Pico W WiFi Raspberry Pi Pico W Projects

IoT Controlled Relay using Raspberry Pi Pico W WiFi

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

Electronics Circuits

12V DC to 220V AC Inverter Circuit & PCB

Mamtaz AlamUpdated:February 2, 2025144 Mins Read61K
Power Supply for ESP32 Board

Power Supply for ESP32 with Battery Charger & Boost Converter

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3.7V to 9V Boost Converter

DIY 3.7V to 9V Boost Converter Circuit using MC34063

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

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

October 2, 2022

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…

Automatic Street Light using 555 Timer Circuit

Automatic Street Light using 555 Timer Circuit & LDR

October 2, 2022
Flashing Police Light LED Effect using 555 Timer

Flashing Police Light LED Effect using 555 Timer

June 25, 2023
Light Dimmer Circuit using 555 Timer IC & MOSFET

Light Dimmer Circuit using 555 Timer IC & MOSFET

December 2, 2024
DIY LED Chaser Circuit using 555 Timer IC & CD4017

LED Chaser Circuit using 555 Timer IC & CD4017

May 28, 2023

LoRa/LoRaWAN Projects

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…

STM32 LoRa SX1278 STM32 Projects

Interfacing LoRa SX1278 with STM32 – Sender & Receiver

Mamtaz AlamUpdated:May 29, 202386 Mins Read20K

Overview In this tutorial, we will learn Interfacing of LoRa Module SX1278 with STM32 Bluepill Microcontroller. The Ra-02 module uses SX1278 IC and works on…

SX1276 STM32 LoRa/LoRaWAN Projects

Interfacing LoRa SX1276 with STM32 Microcontroller | LR1276-915MHz

Mamtaz AlamUpdated:May 29, 202317 Mins Read12K

Overview In this tutorial, we will learn Interfacing of LoRa Module SX1276 with STM32 Bluepill Microcontroller. The LR1276UA-A-915 module uses SX1276 IC and works on…

Latest Posts

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

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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

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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
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