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How To Electronics

Editor's Pick

Touch Based Door Lock System Using Arduino
Arduino Projects

Touch Based Door Lock System Using Arduino & Touch Sensor TTP223

Mamtaz AlamAugust 22, 2022
ADXL375 Accelerometer with Raspberry Pi Pico & MicroPython
Raspberry Pi Pico Projects

ADXL375 Accelerometer with Raspberry Pi Pico & MicroPython

Mamtaz AlamJuly 24, 2025
Line Follower Tracking Robot using Raspberry Pi 4
Raspberry Pi Projects

Line Follower/Tracking Robot using Raspberry Pi 4

Mamtaz AlamOctober 30, 2022

Latest Posts

ESP32 Fingerprint Attendance System with Live Web Dashboard

ESP32 Fingerprint Attendance System with Live Web Dashboard

Mamtaz AlamUpdated:July 6, 202612 Mins Read1K
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

Vibration Detection with SW-420 Vibration Sensor & Arduino

Vibration Detection with SW-420 Vibration Sensor & Arduino

Mamtaz AlamUpdated:February 2, 20255 Mins Read9K

Overview In this project, we will make a Vibration Detection System using the SW-420 Vibration…

Interfacing SPI Camera Arduino

Arducam | Interfacing 5MP SPI Camera with Arduino UNO

May 28, 2023
RS-485 Simplex Communication with Arduino & MAX485

RS-485 Simplex Communication with Arduino & MAX485

February 2, 2025
A9G GPRS GPS Internet

Internet with A9G Low Power GPRS+GPS Module & Arduino

August 21, 2022
AC Dimmer Bluetooth Arduino

Wireless AC Light Dimmer with Bluetooth & Arduino

February 2, 2025

IoT Projects & Tutorials

Flight Black-Box Motion Recorder using ESP32 & BMI160 ESP32 Projects

Flight Black-Box Motion Recorder System using ESP32 & BMI160

Mamtaz AlamUpdated:December 7, 2025110 Mins Read2K
DIY ESP32 Surveillance CCTV Camera ESP32-CAM Projects

DIY Surveillance CCTV Camera using ESP32 CAM & Blynk

Mamtaz AlamUpdated:May 29, 20236 Mins Read11K
GPS Tracker using Quectel L86 GPS Module & ESP32 ESP32 Projects

ESP32 GPS Tracker using L86 GPS Module & OLED Display

Mamtaz AlamUpdated:June 19, 202336 Mins Read19K
Control Stepper Motor with DRV8825 Driver & ESP8266 ESP8266 Projects

How to Control Stepper Motor with DRV8825 Driver & ESP8266

Mamtaz AlamUpdated:January 24, 202510 Mins Read7K

Learn Electronics

Classic Bluetooth Vs. Bluetooth Low Energy What's The Difference

Bluetooth Low Energy Basics: Classic Bluetooth Vs. Bluetooth LE

May 20, 2023
LM386 Audio Amplifier

LM386 Audio Amplifier IC Pins, Working, Circuit & Applications

May 20, 2023
LM358 Dual Op Amp IC

LM358 Dual Op-Amp Features, Pins, Working & Applications

November 11, 2024
L293D Motor Driver IC

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

May 20, 2023

Product Reviews

Getting Started with Nuvoton NuMaker UNO NUC131 Microcontroller Product Review

Getting Started with Nuvoton NuMaker UNO NUC131 Microcontroller

Mamtaz AlamUpdated:July 9, 20238 Mins Read

Overview This is the Getting Started guide with NuMaker UNO Board from the Nuvoton NuMicro…

Lucid ONE - AI Planning 7 DOF Robotic Arm from AmberRobotics

Lucid ONE: AI Planning 7-DOF Robotic Arm Review

May 21, 2023
Raspberry Pi Embedded System Development Kit for Beginners

Raspberry Pi Embedded System Development Kit for Beginners

August 18, 2023
RYS8830 GPS GNSS

Reyax RYS8830 GPS/GNSS Receiver Module Complete Guide

May 20, 2023
DWIN HMI TFT LCD Display

Getting started with DWIN HMI TFT LCD Display

February 27, 2024
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Don't Miss

RFID Based Attendance System using Arduino

RFID Based Attendance System using Arduino, RTC & LCD Display

Voltage Doubler Simulation

12V to 24V Voltage Doubler Circuit

ESP32 CAM Object Detection OpenCV

ESP32 CAM Object Detection & Identification with OpenCV

Interface ENC28J60 Ethernet Module with Arduino

Interface ENC28J60 Ethernet Module with Arduino Webserver

Blind Walking Stick Using Arduino & Ultrasonic Sensor HC-SR04

Blind Walking Stick Using Arduino & Ultrasonic Sensor HC-SR04

Music Rhythm Operated Dancing Light

Music Rhythm Operated Dancing Light using LEDs & Transistors

Trending Posts
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    IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
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    How to use INA219 DC Current Sensor Module with Arduino
  • ECG Graph Monitoring with AD8232 ECG Sensor & Arduino
    ECG Graph Monitoring with AD8232 ECG Sensor & Arduino
  • 12V DC to 220V AC Inverter Circuit & PCB
    12V DC to 220V AC Inverter Circuit & PCB
  • Buck Converter: Basics, Working, Design & Application
    Buck Converter: Basics, Working, Design & Application
  • IoT Based Electricity Energy Meter using ESP32 & Blynk
    IoT Based Electricity Energy Meter using ESP32 & Blynk
  • How to use INA226 DC Current Sensor with Arduino
    How to use INA226 DC Current Sensor with Arduino
  • LD2410 Sensor with ESP32 - Human Presence Detection
    LD2410 Sensor with ESP32 - Human Presence Detection
  • IoT Smart Electricity Energy Meter with ESP32 & Blynk 2.0
    IoT Smart Electricity Energy Meter with ESP32 & Blynk 2.0
  • How to use Modbus RTU with ESP32 to read Sensor Data
    How to use Modbus RTU with ESP32 to read Sensor Data

Raspberry Pi Projects

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
Fever Detector with MLX90640 & OpenCV Raspberry Pi
Raspberry Pi Projects

Thermal Fever Detector with MLX90640 & OpenCV Raspberry Pi

Mamtaz AlamFebruary 2, 2025

Raspberry Pi Pico Projects

Interfacing XBee Module with Raspberry Pi Pico & MicroPython Raspberry Pi Pico Projects

Interfacing XBee Module with Raspberry Pi Pico & MicroPython

Dark Activated Night Lamp using LDR & Raspberry Pi Pico Raspberry Pi

Dark Activated Night Lamp using LDR & Raspberry Pi Pico

DIY SmartPhone Oscilloscope using Raspberry Pi Pico Raspberry Pi Pico Projects

DIY SmartPhone Oscilloscope using Raspberry Pi Pico

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

BME280 Raspberry Pi Pico W Blynk Raspberry Pi Pico W Projects

Raspberry Pi Pico W send BME280 Sensor Data to Blynk 2.0

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

Getting Started with Raspberry Pi Pico W using MicroPython

Power Electronics

Transformerless Power Supply Electronics Circuits

Transformerless Power Supply – 220V AC to 9V DC

Mamtaz AlamUpdated:May 29, 202374 Mins Read10K
DC-DC Converter using 555 Timer IC

Simple DC-DC Converter using 555 Timer IC (7.5-35V)

October 2, 2022

12V DC to 220V AC Inverter Circuit & PCB

February 2, 2025
Power Supply for NodeMCU

Power Supply for NodeMCU with Battery Charger & Boost Converter

October 2, 2022

555 Timer Projects

Brushless DC Motor Driver Circuit Electronics Circuits

(BLDC) Brushless DC Motor Driver Circuit using 555 IC

Mamtaz AlamUpdated:August 10, 202313 Mins Read12K

Overview: Brushless DC Motor Driver Circuit using 555 IC In this project we will make…

Gas Leak Detection & Alarm using 555 Timer IC

Gas Leak Detection & Alarm using 555 Timer IC

February 2, 2025
Dark Activated Automatic Evening Lamp LDR 555

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

October 2, 2022

Voltage Doubler Circuit using 555 Timer IC

May 13, 2023
Automatic Street Light using 555 Timer Circuit

Automatic Street Light using 555 Timer Circuit & LDR

October 2, 2022

LoRa/LoRaWAN Projects

LoRa Soil Moisture IoT Projects

LoRa Based Soil Moisture Monitoring on LoRa ESP32 WebServer

Mamtaz AlamUpdated:August 20, 202227 Mins Read3K

Overview: LoRa Based Soil Moisture Monitoring In this Smart Agriculture Project, we will make LoRa Based Soil Moisture Monitoring System Project. The LoRa Soil Moisture…

LoRa SX1278 ESP8266 ESP8266 Projects

ESP8266 & LoRa SX1278 Transmitter Receiver with DHT11

Mamtaz AlamUpdated:May 26, 2023205 Mins Read30K

In this tutorial, we will make Lora Transmitter & Receiver using Lora Module SX1278 & NodeMCU ESP8266 Wifi Module. The communication type is a point…

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…

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
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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