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How To Electronics

Editor's Pick

Gas Monitoring ESP8266 Gas Sensor
IoT Projects

Gas Level Monitor On Internet Using ESP8266 & Gas Sensor

Mamtaz AlamNovember 5, 2023
AS7265x Arduino
Arduino Projects

Interfacing Triad Spectroscopy Sensor AS7265x with Arduino

Mamtaz AlamDecember 7, 2025
Brain Computer Interface
Articles

Brain Computer Interface (BCI) System Overview & Applications

Mamtaz AlamMay 27, 2023

Latest Posts

IoT Based PM & Air Quality Monitoring System using ESP32

IoT Based PM & Air Quality Monitoring System using ESP32

Mamtaz Alam11 Mins Read
DIY ESP32 MLX90640 IR Thermal Camera with Live Web Display

DIY ESP32 MLX90640 IR Thermal Camera with Live Web Display

Mamtaz AlamUpdated:May 10, 202611 Mins Read1K
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
DIY Colorimeter using AS7265x Spectroscopy Sensor & ESP32

DIY Colorimeter using AS7265x Spectroscopy Sensor & ESP32

February 1, 2026

Arduino Projects & Tutorials

Decibel Meter using Sound Module & Arduino

Decibel Meter using Sound Module & Arduino with LCD Display

Mamtaz AlamUpdated:July 10, 202384 Mins Read18K

Introduction: Decibel Meter using Sound Module & Arduino with LCD Display has been designed specifically…

Easy Pulse Sensor Arduino

Heart Rate BPM Meter using Easy Pulse Sensor & Arduino

August 21, 2022
Full-Duplex Communication with MAX485 & Arduino

RS-485 Full-Duplex Communication with MAX485 & Arduino

February 2, 2025
Earthquake Detector Alarm with with Accelerometer & Arduino

Earthquake Detector Alarm with Accelerometer & Arduino

February 2, 2025
ECG Monitoring with AD8232 ECG Sensor & Arduino with ECG Graph

ECG Graph Monitoring with AD8232 ECG Sensor & Arduino

November 19, 2022

IoT Projects & Tutorials

Measure Pitch, Roll, Yaw with MPU6050 HMC5883L & ESP32 ESP32 Projects

Measure Pitch, Roll, Yaw with MPU6050 + HMC5883L & ESP32

Mamtaz AlamUpdated:February 16, 2026111 Mins Read18K
esp8266 max6675 thermocouple IoT Projects

IoT Industrial Temperature Monitor with MAX6675 & ESP8266

Mamtaz AlamUpdated:May 29, 202314 Mins Read3K
ESP32 Internet Clock IoT Projects

Internet Clock with ESP32 & LCD Display using NTP Client

Mamtaz AlamUpdated:August 21, 202214 Mins Read12K
MLX90614 ESP8266 Blynk IoT Projects

IoT IR Thermometer using MLX90614 & ESP8266 on Blynk

Mamtaz AlamUpdated:February 10, 20235 Mins Read4K

Learn Electronics

L293D Motor Driver IC

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

May 20, 2023
AC to DC Converters

AC to DC Converters: Features, Design & Applications

May 20, 2023
DC-to-DC Converters

DC-to-DC Converters: Design, Working & Applications

May 20, 2023
555 Timer IC Working

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

January 24, 2025

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…

Raspberry Pi Embedded System Development Kit for Beginners

Raspberry Pi Embedded System Development Kit for Beginners

August 18, 2023
DWIN HMI TFT LCD Display

Getting started with DWIN HMI TFT LCD Display

February 27, 2024
PlayStation 5 vs Xbox Series X Compared

PlayStation 5 vs Xbox Series X Compared

October 14, 2023
2.4GHz Spectrum Analyzer

How to use 2.4GHz Portable Spectrum Analyzer USB Dongle

February 1, 2026
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Don't Miss

Building a Raspberry Pi Pico W & LM35 Web Server

Building a Raspberry Pi Pico W & LM35 Web Server

Seeed XIAO BLE nRF52840 Sense

Getting Started with Seeed XIAO BLE nRF52840 Sense

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Gas Leak Detection & Alarm using MQ2 Sensor & Arduino

Interface Capacitive Soil Moisture Sensor with Arduino

Interface Capacitive Soil Moisture Sensor v1.2 with Arduino

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Advanced Power Management Techniques in Arduino

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    IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
  • IoT Based Electricity Energy Meter using ESP32 & Blynk
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Raspberry Pi Projects

Raspberry Pi OpenCV Install Setup
Raspberry Pi Projects

How to Install & Setup OpenCV on Raspberry Pi 4

Mamtaz AlamAugust 28, 2023
DIY Thermal Imaging Camera using AMG8833 Raspberry Pi
Raspberry Pi Projects

DIY Thermal Camera with Raspberry Pi & AMG8833 Thermal Image Sensor

Mamtaz AlamJune 28, 2025

Raspberry Pi Pico Projects

DHT11 Raspberry Pi Pico Raspberry Pi

Interfacing DHT11 Temperature Humidity Sensor with Raspberry Pi Pico

Joystick Raspberry Pi Pico Raspberry Pi Pico Projects

Control Servo with Joystick & Raspberry Pi Pico

Pulse Width Modulation PWM Raspberry Pi Pico Raspberry Pi Pico Projects

Breathing LED: PWM Usage in Raspberry Pi Pico

Raspberry Pi Pico W Projects

IoT Soil Moisture Monitor with Raspberry Pi Pico W & Blynk Raspberry Pi Pico W Projects

IoT Soil Moisture Monitor with Raspberry Pi Pico W & Blynk

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

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Raspberry Pi Pico W send BME280 Sensor Data to Blynk 2.0

Power Electronics

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

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

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Transformerless Power Supply

Transformerless Power Supply – 220V AC to 9V DC

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Boost Converter 3.7V to 5V

DIY 3.7V to 5V Boost Converter for Lithium-Ion Battery

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Designing of MPPT Solar Charge Controller using Arduino

Designing of MPPT Solar Charge Controller using Arduino

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555 Timer Projects

Water Level Alert using Float Sensor & 555 Timer 555 Timer Projects

Water Level Alert using Float Sensor & 555 Timer

Mamtaz Alam3 Mins Read2K

Overview This article explores a water level alert circuit using a 555 timer and a float sensor,…

Servo Motor Controller & Tester Circuit using 555 Timer IC

Servo Motor Controller & Tester Circuit using 555 Timer IC

October 8, 2023
Dark/Light Detector using 555 Timer

Dark/Light Detector using 555 Timer & LDR – Electronics Mini Project

February 2, 2025
Gas Leak Detection & Alarm using 555 Timer IC

Gas Leak Detection & Alarm using 555 Timer IC

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Brushless DC Motor Driver Circuit

(BLDC) Brushless DC Motor Driver Circuit using 555 IC

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LoRa/LoRaWAN Projects

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…

LoRa Weather Station Arduino Projects

LoRa Based Wireless Weather Station with Arduino & ESP32

Mamtaz AlamUpdated:August 3, 2023159 Mins Read14K

Overview: LoRa Based Wireless Weather Station In this project, we will learn how to make LoRa Based Wireless Weather Station using Arduino Pro Mini &…

SX1272 Based LoRa USB Dongle Gateway 868/915MHz LoRa/LoRaWAN Projects

SX1272 Based LoRa USB Dongle Gateway 868/915MHz

Mamtaz AlamUpdated:October 19, 20225 Mins Read2K

Overview In this guide, we will learn about the SX1272 Based LoRa USB Dongle Gateway. The LoRa USB Dongle is a low-cost RF front-end transceiver…

Latest Posts

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

Flight Black-Box Motion Recorder System using ESP32 & BMI160

Mamtaz AlamUpdated:December 7, 202510 Mins Read2K
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

September 22, 2025
DIY ESP32 Board for Battery Powered IoT Applications

DIY ESP32 Board for Battery Powered IoT Applications

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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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