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How To Electronics

Editor's Pick

Dc-to-DC Step Down Buck Converter
Articles

Buck Converter: Basics, Working, Design & Application

Basanta SubediAugust 4, 2023
ESP32 Projects

DIY ESP32 Based Smart Clock with Weather Forecasting

Mamtaz AlamAugust 20, 2022
DIY Smart Blind Stick using Op-Amp & IR Sensor
Op-Amp Circuits

DIY Smart Blind Stick using Op-Amp & IR Sensor

Mamtaz AlamFebruary 2, 2025

Latest Posts

ESP32 Fingerprint Voting Machine with Live Web Dashboard

ESP32 Fingerprint Voting Machine with Live Web Dashboard

Mamtaz AlamUpdated:July 12, 202613 Mins Read
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

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

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

Arduino Projects & Tutorials

Blind Walking Stick Using Arduino & Ultrasonic Sensor HC-SR04

Blind Walking Stick Using Arduino & Ultrasonic Sensor HC-SR04

Mamtaz AlamUpdated:August 22, 202213 Mins Read9K

Blind Walking Stick Using Arduino & Ultrasonic Sensor HC-SR04 In this project, we will learn…

Automated Toll Collection System using RFID & Arduino

Automated Toll Collection System using RFID & Arduino

October 9, 2023
Smoke Detector Arduino

Arduino Smoke Level Detector using MQ-135 Sensor with Alarm

August 22, 2022
Flex Sensor Arduino Interfacing

Flex Sensor & Arduino Interfacing – Measure Bend/Resistance

May 27, 2023

12-Bit DAC Usage Guide in Arduino UNO R4 Minima

October 13, 2023

IoT Projects & Tutorials

MAX30100 ESP32 ESP32 Projects

Monitor SpO2/BPM with ESP32 & MAX30100 Pulse Oximeter on Blynk

Mamtaz AlamUpdated:August 21, 202266 Mins Read8K
IoT pH Sensor ESP32 ESP32 Projects

DIY IoT Water pH Meter using pH Sensor & ESP32

Mamtaz AlamUpdated:August 20, 202217 Mins Read60K
DIY ESP32 Surveillance CCTV Camera ESP32-CAM Projects

DIY Surveillance CCTV Camera using ESP32 CAM & Blynk

Mamtaz AlamUpdated:May 29, 20236 Mins Read11K
IoT Based Heart Rate Monitor IoT Projects

IoT MQTT Based Heart Rate Monitor using ESP8266 & Arduino

Mamtaz AlamUpdated:August 20, 202216 Mins Read3K

Learn Electronics

L298N Dual H-Bridge Motor Driver IC

L298 Dual H-Bridge Motor Driver IC Pins, Working, Applications

May 20, 2023
DC-to-DC Step Up Boost Converter

Boost Converter: Basics, Working, Design & Application

August 4, 2023
L293D Motor Driver IC

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

May 20, 2023
Switched-Mode Power Supply SMPS

Switched Mode Power Supply: SMPS Design & Applications

May 20, 2023

Product Reviews

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

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

Mamtaz AlamUpdated:April 1, 20255 Mins Read

Overview The KAIWEETS KTI-W01 Thermal Imaging Camera delivers a high-resolution and versatile thermal imaging experience, ideal…

Raspberry Pi Embedded System Development Kit for Beginners

Raspberry Pi Embedded System Development Kit for Beginners

August 18, 2023
Getting Started with Nuvoton NuMaker UNO NUC131 Microcontroller

Getting Started with Nuvoton NuMaker UNO NUC131 Microcontroller

July 9, 2023
PlayStation 5 vs Xbox Series X Compared

PlayStation 5 vs Xbox Series X Compared

October 14, 2023
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

Servo Motor Controller & Tester Circuit using 555 Timer IC

Servo Motor Controller & Tester Circuit using 555 Timer IC

LoRa Soil Moisture

LoRa Based Soil Moisture Monitoring on LoRa ESP32 WebServer

Control Stepper Motor with DRV8825 Driver & ESP8266

How to Control Stepper Motor with DRV8825 Driver & ESP8266

ESP32 CAM Getting Started & Video Streaming

Getting Started with ESP32 CAM Board & Video Streaming Over WiFi

Raspberry Pi Pico W OpenWeatherMap

Raspberry Pi Pico W IoT Weather Station – OpenWeatherMap

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What is Blockchain Technology & How it Works

Trending Posts
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    C1001 60 GHz mmWave Sensor with ESP32 for Sleep, Fall, Life Detection
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    How to use Modbus RTU with ESP32 to read Sensor Data
  • ESP32 Fingerprint Voting Machine with Live Web Dashboard
    ESP32 Fingerprint Voting Machine with Live Web Dashboard
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    IoT Based ECG Monitoring with AD8232 ECG Sensor & ESP32
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    How to use ADS1115 16-Bit ADC Module with Arduino
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Raspberry Pi Projects

Thermal Imaging Camera with MLX90640 & Raspberry Pi
Raspberry Pi Projects

DIY Thermal Imaging Camera with MLX90640 & Raspberry Pi

Mamtaz AlamMay 2, 2026
Best 7 inch Raspberry Pi Touch Screen Display - SunFounder TS-7 Pro
Raspberry Pi

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

Mamtaz AlamAugust 1, 2023

Raspberry Pi Pico Projects

Servo Motor Control Raspberry Pi Pico Raspberry Pi Pico Projects

How to Control Servo Motor with Raspberry Pi Pico

Laser Light Security System with Raspberry Pi Pico Raspberry Pi

Laser Light Security System with Raspberry Pi Pico & LDR

Capacitive Soil Moisture Sensor Raspberry Pi Pico Raspberry Pi Pico Projects

Capacitive Soil Moisture Sensor 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

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 thingspeak DHT11 Raspberry Pi Pico W Projects

Send Sensor Data to Thingspeak with Raspberry Pi Pico W

Power Electronics

3.7V to 9V Boost Converter Electronics Circuits

DIY 3.7V to 9V Boost Converter Circuit using MC34063

Mamtaz AlamUpdated:May 29, 202335 Mins Read8K
0-35V Variable Power Supply Using XL4015 DC-DC Converter

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

October 2, 2022
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

Rainfall Detector Alarm using 555 Timer & Rain Sensor 555 Timer Projects

Rainfall Detector Alarm using 555 Timer & Rain Sensor

Mamtaz AlamUpdated:February 2, 20252 Mins Read4K

Rainfall Detector Alarm using 555 Timer & Rain Sensor 555 Timer Project – Rainfall Detector…

Automatic Street Light using 555 Timer Circuit

Automatic Street Light using 555 Timer Circuit & LDR

October 2, 2022
DC-DC Converter using 555 Timer IC

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

October 2, 2022

Voltage Doubler Circuit using 555 Timer IC

May 13, 2023
Project for Girlfriend - Heart Shaped Serial LED Flasher Circuit using 555 Timer

Heart Shaped LED Flasher Circuit using 555 Timer

June 25, 2023

LoRa/LoRaWAN Projects

IoT Projects

Sending Ra-07 LoRaWAN Node Data to The Things Network Server

Mamtaz AlamUpdated:August 20, 202227 Mins Read3K

Overview In this project, we will take a look at a Ra-07 LoRaWAN Node from Makerfabs & send some sensor data to The Things Network…

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…

LoRaWAN Temperature Humidity Soil Moisture Sensor Data on TTN & Thingspeak LoRa/LoRaWAN Projects

Smart Soil Moisture Monitoring with LoRaWAN on TTN Server

Mamtaz AlamUpdated:March 12, 202316 Mins Read3K

Overview In this article, we will discuss the Smart Temperature/Humidity/Soil Moisture Monitoring Device with LoRaWAN on TTN (The Things Network) Server. It is an innovative…

Latest Posts

High-Accuracy Pitch, Roll, Yaw with ESP32 & BNO08x IMU ESP32 Projects

High-Accuracy Pitch, Roll, Yaw with ESP32 & BNO08x IMU

Mamtaz AlamUpdated:April 27, 20268 Mins Read2K
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

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
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