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How To Electronics

Editor's Pick

ESP32 Internet Clock
IoT Projects

Internet Clock with ESP32 & LCD Display using NTP Client

Mamtaz AlamAugust 21, 2022
Silicon Controlled Rectifier (SCR) Construction & Working
Learn Electronics

Silicon Controlled Rectifier (SCR): Construction, Working & Applications

Basanta SubediDecember 2, 2024
ESP32 Cam send Image Google Drive
ESP32-CAM Projects

How to send ESP32 CAM Captured Image to Google Drive

Priyansh ShankhdharMay 29, 2023

Latest Posts

ESP32 Fingerprint Attendance System with Live Web Dashboard

ESP32 Fingerprint Attendance System with Live Web Dashboard

Mamtaz AlamUpdated:June 16, 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

Arduino Load Cell HX711

Weighing Machine using Arduino Load Cell & HX711 Module

Mamtaz AlamUpdated:November 19, 20221034 Mins Read19K

Overview: In this project we will be “interfacing HX711 Load cell amplifier with Arduino” and…

BMP180 for Altitude, Pressure & Temperature Measurement using Arduino

BMP180 with Arduino to measure Altitude, Pressure & Temperature

July 26, 2023
Password Based Door Lock Security System Using Arduino & Keypad

Password Based Door Lock Security System Using Arduino & Keypad

February 2, 2025
RFID Based Attendance System using Arduino

RFID Based Attendance System using Arduino, RTC & LCD Display

February 19, 2023
SD Card Module Arduino

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

August 20, 2022

IoT Projects & Tutorials

Decibelmeter ESP8266 IoT Projects

IoT Decibelmeter with Sound Sensor & ESP8266

Mamtaz AlamUpdated:July 10, 202385 Mins Read11K
IoT-enabled Smart Fridge with ESP8266 & DS18B20 IoT Projects

IoT-enabled Smart Fridge with ESP8266 WebServer

Mamtaz AlamUpdated:February 2, 2025210 Mins Read5K
Indoor Air Quality Analysis using ESP32 & Bytebeam Cloud ESP32 Projects

Indoor Air Quality Analysis using ESP32 & Bytebeam Cloud

Vaibhav SharmaUpdated:December 20, 20228 Mins Read4K
Sending Sensor Data LoRa Arduino Arduino Projects

Sending Sensor Data Wirelessly with LoRa SX1278 & Arduino

Mamtaz AlamUpdated:September 16, 202265 Mins Read12K

Learn Electronics

Dc-to-DC Step Down Buck Converter

Buck Converter: Basics, Working, Design & Application

August 4, 2023
Half Wave Rectifier

Half Wave Rectifier Basics, Circuit, Working & Applications

August 4, 2023
L293D Motor Driver IC

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

May 20, 2023
Linear Voltage Regulator

Linear Voltage Regulator – Circuit, Types & Applications

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
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
Build a DIY Customized Mini PC using Raspberry Pi 4

Build a DIY Customized Mini PC using Raspberry Pi 4

January 8, 2024
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Don't Miss

ESP32 Cam send Image Google Drive

How to send ESP32 CAM Captured Image to Google Drive

Mobile Phone Detector Circuit

Simple Mobile Phone Detector Circuit using Op-Amp

Plotting Graph Bluetooth 5.0

Plotting Real-Time Graph from Bluetooth 5.0 to Google Chrome

Switched-Mode Power Supply SMPS

Switched Mode Power Supply: SMPS Design & Applications

LM386 Audio Amplifier

LM386 Audio Amplifier IC Pins, Working, Circuit & Applications

Gas Leak Detection & Alarm using 555 Timer IC

Gas Leak Detection & Alarm using 555 Timer IC

Trending Posts
  • ESP32 Fingerprint Attendance System with Live Web Dashboard
    ESP32 Fingerprint Attendance System with Live Web Dashboard
  • IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
    IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
  • 12V DC to 220V AC Inverter Circuit & PCB
    12V DC to 220V AC Inverter Circuit & PCB
  • How to use ADS1115 16-Bit ADC Module with Arduino
    How to use ADS1115 16-Bit ADC Module with Arduino
  • Buck Converter: Basics, Working, Design & Application
    Buck Converter: Basics, Working, Design & Application
  • Interfacing PN532 NFC RFID Module with Arduino
    Interfacing PN532 NFC RFID Module with Arduino
  • IoT Based ECG Monitoring with AD8232 ECG Sensor & ESP32
    IoT Based ECG Monitoring with AD8232 ECG Sensor & ESP32
  • IoT Based PM & Air Quality Monitoring System using ESP32
    IoT Based PM & Air Quality Monitoring System using ESP32
  • ECG Graph Monitoring with AD8232 ECG Sensor & Arduino
    ECG Graph Monitoring with AD8232 ECG Sensor & Arduino
  • DIY AC Energy Meter using PZEM-004T & Arduino
    DIY AC Energy Meter using PZEM-004T & Arduino

Raspberry Pi Projects

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 OpenCV Install Setup
Raspberry Pi Projects

How to Install & Setup OpenCV on Raspberry Pi 4

Mamtaz AlamAugust 28, 2023

Raspberry Pi Pico Projects

Servo Motor Control Raspberry Pi Pico Raspberry Pi Pico Projects

How to Control Servo Motor with Raspberry Pi Pico

ADC Example Raspberry Pi Pico Raspberry Pi

How to use ADC in Raspberry Pi Pico | ADC Example Code

Raspberry Pi Pico OLED Keypad Calculator Raspberry Pi Pico Projects

Simple Calculator using Keypad, OLED & Raspberry Pi Pico

Raspberry Pi Pico W Projects

IoT RGB LED Strip Control with Raspberry Pi Pico W & Adafruit IO Raspberry Pi Pico W Projects

IoT RGB LED Strip Control with Raspberry Pi Pico W & Adafruit IO

BME280 Raspberry Pi Pico W Blynk Raspberry Pi Pico W Projects

Raspberry Pi Pico W send BME280 Sensor Data to Blynk 2.0

Raspberry Pi Pico W OpenWeatherMap Raspberry Pi Pico W Projects

Raspberry Pi Pico W IoT Weather Station – OpenWeatherMap

Power Electronics

Transformerless Power Supply Electronics Circuits

Transformerless Power Supply – 220V AC to 9V DC

Mamtaz AlamUpdated:May 29, 202374 Mins Read9K
DC-DC Converter using 555 Timer IC

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

October 2, 2022
Lithium Ion Battery Charger Circuit

Lithium-Ion Battery Charger Circuit using MCP73831

September 12, 2023

12V DC to 220V AC Inverter Circuit & PCB

February 2, 2025

555 Timer Projects

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

Light Dimmer Circuit using 555 Timer IC & MOSFET

Mamtaz AlamUpdated:December 2, 202433 Mins Read5K

Overview In this article, we will make Light Dimmer Circuit using 555 Timer IC &…

LED Blinking Circuit using 555 Timer

Automatic LED Blinking Circuit using 555 Timer IC – LED Flasher

February 14, 2025
PWM Based DC Motor Speed Control using 555 Timer

PWM Based DC Motor Speed Control using 555 Timer

August 10, 2023
Negative Voltage Generator Circuit using 555 Timer IC

Negative Voltage Generator Circuit using 555 Timer IC

May 28, 2023
Laser Security System using 555 Timer IC & LDR

Laser Security System using 555 Timer IC & LDR

May 13, 2023

LoRa/LoRaWAN Projects

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 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…

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…

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

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
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