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How To Electronics

Editor's Pick

RYB080I Bluetooth Arduino
Arduino Projects

How to use REYAX RYB080I BLE Module with Arduino

Mamtaz AlamMay 29, 2023
Flight Black-Box Motion Recorder using ESP32 & BMI160
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Flight Black-Box Motion Recorder System using ESP32 & BMI160

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Tech Articles

The Future of Video Production: Adding Emotion with AI Voice Generators

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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

A9G GPRS GPS Internet

Internet with A9G Low Power GPRS+GPS Module & Arduino

Mamtaz AlamUpdated:August 21, 202215 Mins Read4K

Overview: Internet with A9G Low Power GPRS+GPS Module In this tutorial, we will learn about…

GT511C3 Fingerprint Sensor Arduino

Interfacing GT511C3 Fingerprint Sensor (FPS) with Arduino

May 29, 2023
Send GSM SIM800900 GPRS Data to Thingspeak with Arduino

Cellular IoT: Send SIM800/900 GPRS Data to Thingspeak with Arduino

August 21, 2022
Gesture Controlled Robot Accelerometer

Wireless Gesture Controlled Robot Using Accelerometer & Arduino

August 3, 2023
Home Security Alarm Using PIR Sensor & Arduino for Night

Home Security Alarm Using PIR Sensor & Arduino for Night

December 23, 2023

IoT Projects & Tutorials

IoT DC Energy Meter ESP8266 Blynk INA226 ESP8266 Projects

IoT DC Energy Meter using ESP8266 & Blynk (36V, 30A)

Mamtaz AlamUpdated:August 25, 2025112 Mins Read9K
OTAA LoRaWAN Node SX1276 Arduino LoRa/LoRaWAN Projects

OTAA-based LoRaWAN Node with Arduino & LoRa SX1276

Mamtaz AlamUpdated:May 28, 202327 Mins Read13K
C1001 60 GHz mmWave Sensor with ESP32 ESP32 Projects

C1001 60 GHz mmWave Sensor with ESP32 for Sleep, Fall, Life Detection

Mamtaz Alam12 Mins Read8K
IoT PM2.5 ESP32 ESP32 Projects

IoT ESP32 Based PM2.5 Monitoring with Air Freshener System

Mamtaz AlamUpdated:May 29, 202348 Mins Read14K

Learn Electronics

Op Amp IC 741 Basics, Characteristics, Pins & Applications

Op Amp IC 741 Basics, Characteristics, Pins, Applications

November 28, 2024
Dc-to-DC Step Down Buck Converter

Buck Converter: Basics, Working, Design & Application

August 4, 2023
Switched-Mode Power Supply SMPS

Switched Mode Power Supply: SMPS Design & Applications

May 20, 2023
Silicon Controlled Rectifier (SCR) Construction & Working

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

December 2, 2024

Product Reviews

PlayStation 5 vs Xbox Series X Compared Product Review

PlayStation 5 vs Xbox Series X Compared

Mamtaz AlamUpdated:October 14, 20235 Mins Read

PlayStation 5 vs Xbox Series X Compared In the console world, Sony and Microsoft are…

Rust Arduino

How to Run Rust on Arduino UNO

May 20, 2023
2.4GHz Spectrum Analyzer

How to use 2.4GHz Portable Spectrum Analyzer USB Dongle

February 1, 2026
Mars Rover Robot Replica using ESP32 CAM & Arduino

Mars Rover Robot Replica using ESP32 CAM & Arduino

February 2, 2025
Lucid ONE - AI Planning 7 DOF Robotic Arm from AmberRobotics

Lucid ONE: AI Planning 7-DOF Robotic Arm Review

May 21, 2023
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Don't Miss

Facial Recognition Based Attendance System

Face Recognition Based Attendance System using ESP32 CAM

Water Flow Sensor for Flow Rate & Volume Measurement

Arduino Water Flow Sensor to Measure Flow Rate & Volume

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BME280 & Raspberry Pi Pico W Web Server Weather Station

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Laser Light Security System with Raspberry Pi Pico & LDR

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Control Stepper Motor with DRV8825 Driver & Raspberry Pi Pico

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Raspberry Pi Projects

Raspberry Pi UPS Power Bank with Battery Monitoring on Blynk
Raspberry Pi Projects

Raspberry Pi UPS Power Bank with Battery Monitoring on Blynk

Mamtaz AlamJanuary 24, 2025
App Controlled Robot using Raspberry Pi
Raspberry Pi Projects

App Controlled Robot using Raspberry Pi with AI Features

Mamtaz AlamNovember 1, 2022

Raspberry Pi Pico Projects

Reed Switch use Raspberry Pi Pico Raspberry Pi Pico Projects

How to use Reed Switch with Raspberry Pi Pico

HC-SR04 Ultrasonic Distance Sensor with Raspberry Pi Pico Raspberry Pi Pico Projects

HC-SR04 Ultrasonic Distance Sensor with Raspberry Pi Pico

HMC5883L Raspberry Pi Pico MicroPython Raspberry Pi Pico Projects

Interfacing HMC5883L Magnetometer with Raspberry Pi Pico

Raspberry Pi Pico W Projects

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

IoT Controlled Relay using Raspberry Pi Pico W WiFi

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

Pi Pico W Web Server MicroPython Raspberry Pi Pico W Projects

Raspberry Pi Pico W Web Server Tutorial with MicroPython

Power Electronics

Transformerless Power Supply Electronics Circuits

Transformerless Power Supply – 220V AC to 9V DC

Mamtaz AlamUpdated:May 29, 202374 Mins Read10K
SG3525 PWM Inverter Circuit 12V to 220V, 300W, 5060 Hz

SG3525 PWM Inverter Circuit 12V to 220V, 300W, 50/60 Hz

May 28, 2023
DIY 5V 3A USB Charger for Car or Solar Panel

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Power Supply for ESP32 Board

Power Supply for ESP32 with Battery Charger & Boost Converter

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555 Timer Projects

Dark/Light Detector using 555 Timer 555 Timer Projects

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

Mamtaz AlamUpdated:February 2, 202512 Mins Read6K

Introduction: Here we have explained a Dark/Light Detector using 555 Timer & LDR (Light Dependent…

Rainfall Detector Alarm using 555 Timer & Rain Sensor

Rainfall Detector Alarm using 555 Timer & Rain Sensor

February 2, 2025
PWM Based DC Motor Speed Control using 555 Timer

PWM Based DC Motor Speed Control using 555 Timer

August 10, 2023

Voltage Doubler Circuit using 555 Timer IC

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DIY LED Chaser Circuit using 555 Timer IC & CD4017

LED Chaser Circuit using 555 Timer IC & CD4017

May 28, 2023

LoRa/LoRaWAN Projects

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…

Setting up Dragino Indoor LoRaWAN Gateway IoT Projects

Setting up Dragino LPS8 Indoor LoRaWAN gateway with TTN Server

Mamtaz AlamUpdated:August 20, 202227 Mins Read3K

Overview This article covers the Setting up Dragino LPS8 Indoor LoRaWAN gateway with The Things Network Server (TTN Server). In LoRaWAN communication there are LoRa…

LoRa Relay Switch IoT Projects

LoRa Relay Switch – Control Home Appliances using LoRa

Mamtaz AlamUpdated:August 21, 202235 Mins Read5K

Overview: Control Home Appliances using LoRa Relay Switch In this project, we will make a LoRa Relay Switch or LoRa Based Power Relay Control System…

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

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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

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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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