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How To Electronics

Editor's Pick

ECG Display using Pulse Sensor with OLED & Arduino
Arduino Projects

ECG Display using Pulse Sensor with OLED & Arduino

Mamtaz AlamMay 26, 2023
BME680 ESP8266 BSEC Blynk
IoT Projects

IoT Indoor Air Quality Monitoring with BME680 BSEC & ESP8266

Mamtaz AlamNovember 23, 2023
HM-10 Bluetooth Arduino
Arduino Projects

Bluetooth Low Energy Tutorial with HM-10 BLE 4.0 & Arduino

RamyaJanuary 14, 2023

Latest Posts

ESP32 Patient Health Monitor (ECG, SpO₂, BPM) & Live Dashboard

ESP32 Patient Health Monitor (ECG, SpO₂, BPM) & Live Dashboard

Mamtaz Alam13 Mins Read
Buck Converter vs Boost Converter

Buck Converter vs Boost Converter: Working, Differences & Applications

Mamtaz Alam12 Mins Read
ESP32 Fingerprint Voting Machine with Live Web Dashboard

ESP32 Fingerprint Voting Machine with Live Web Dashboard

July 12, 2026
ESP32 Fingerprint Attendance System with Live Web Dashboard

ESP32 Fingerprint Attendance System with Live Web Dashboard

July 6, 2026
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

Arduino Projects & Tutorials

Interfacing BMI160 Accelerometer & Gyroscope with Arduino

Interfacing BMI160 Accelerometer & Gyroscope with Arduino

Mamtaz AlamUpdated:February 2, 20259 Mins Read10K

Overview In this tutorial, we will be Interfacing the BMI160 Accelerometer & Gyroscope with Arduino…

Full-Duplex Communication with MAX485 & Arduino

RS-485 Full-Duplex Communication with MAX485 & Arduino

February 2, 2025
OTAA LoRaWAN Node SX1276 Arduino

OTAA-based LoRaWAN Node with Arduino & LoRa SX1276

May 28, 2023
Connecting RS485 Soil Moisture & Temperature Sensor to Arduino

Connecting RS485 Soil Moisture & Temperature Sensor to Arduino

September 18, 2023
MAX30102 & Arduino Heart Rate + Blood Oxygen Monitoring

MAX30102 & Arduino: Heart Rate + Blood Oxygen Monitoring

April 2, 2024

IoT Projects & Tutorials

DS3231 ESP8266 Real Time Clock ESP8266 Projects

ESP8266 and DS3231 Based Real Time Clock (RTC)

Mamtaz AlamUpdated:August 21, 20224 Mins Read16K
Voice Controlled Home Automation Using NodeMCU IoT Projects

Wifi & Voice Controlled Home Automation Using NodeMCU & Android

Mamtaz AlamUpdated:August 3, 2023175 Mins Read9K
ESP32 MicroPython uPyCraft ESP32 MicroPython

MicroPython on ESP32 using uPyCraft IDE – Getting Started

Mamtaz AlamUpdated:August 22, 202247 Mins Read6K
Anemometer ESP32 ESP32 Projects

Measure Wind Speed with Anemometer on ESP32 TFT Display

Mamtaz AlamUpdated:August 30, 202316 Mins Read8K

Learn Electronics

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

Bluetooth Low Energy Basics: Classic Bluetooth Vs. Bluetooth LE

May 20, 2023
DC-to-AC Converters (Inverters)

DC-to-AC Converters (Inverters): Design, Working & Applications

May 20, 2023
LM358 Dual Op Amp IC

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

November 11, 2024
Full Wave Bridge Rectifier

Full Wave Rectifier Basics, Circuit, Working & Applications

August 4, 2023

Product Reviews

Raspberry Pi Embedded System Development Kit for Beginners Raspberry Pi Projects

Raspberry Pi Embedded System Development Kit for Beginners

Mamtaz AlamUpdated:August 18, 202312 Mins Read1K

1. Introduction: Raspberry Pi Embedded System Development Kit Raspberry Pi Embedded System Development Kit is…

Mars Rover Robot Replica using ESP32 CAM & Arduino

Mars Rover Robot Replica using ESP32 CAM & Arduino

February 2, 2025
DWIN HMI TFT LCD Display

Getting started with DWIN HMI TFT LCD Display

February 27, 2024
Lucid ONE - AI Planning 7 DOF Robotic Arm from AmberRobotics

Lucid ONE: AI Planning 7-DOF Robotic Arm Review

May 21, 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

Detailed Information about Aerospace Electronic Components

Detailed Information about Aerospace Electronic Components

Interfacing Voltage Sensor Arduino

Interfacing 0-25V DC Voltage Sensor with Arduino

Rain Detection using Raindrop Sensor Module & Arduino

Rain Detection using Raindrop Sensor Module & Arduino

ESP32 CAM Getting Started & Video Streaming

Getting Started with ESP32 CAM Board & Video Streaming Over WiFi

ESP32 SHT31 Temperature Humidity

ESP32 SHT31 Temperature & Humidity Monitor on Web Server

ESP Board Battery Powered

Design your own ESP Board for Battery Powered IoT Applications

Trending Posts
  • 12V DC to 220V AC Inverter Circuit & PCB
    12V DC to 220V AC Inverter Circuit & PCB
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    Buck Converter: Basics, Working, Design & Application
  • IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
    IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
  • Pulse Rate (BPM) Monitor using Arduino & Pulse Sensor
    Pulse Rate (BPM) Monitor using Arduino & Pulse Sensor
  • ESP32 Patient Health Monitor (ECG, SpO₂, BPM) & Live Dashboard
    ESP32 Patient Health Monitor (ECG, SpO₂, BPM) & Live Dashboard
  • How to use ADS1115 16-Bit ADC Module with Arduino
    How to use ADS1115 16-Bit ADC Module with Arduino
  • How to use INA226 DC Current Sensor with Arduino
    How to use INA226 DC Current Sensor with Arduino
  • C1001 60 GHz mmWave Sensor with ESP32 for Sleep, Fall, Life Detection
    C1001 60 GHz mmWave Sensor with ESP32 for Sleep, Fall, Life Detection
  • Measure Soil Nutrient using  Arduino & Soil NPK Sensor
    Measure Soil Nutrient using Arduino & Soil NPK Sensor
  • LD2410 Sensor with ESP32 - Human Presence Detection
    LD2410 Sensor with ESP32 - Human Presence Detection

Raspberry Pi Projects

Build a DIY Customized Mini PC using Raspberry Pi 4
Raspberry Pi Projects

Build a DIY Customized Mini PC using Raspberry Pi 4

Mamtaz AlamJanuary 8, 2024
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

Raspberry Pi Pico Projects

LM35 Temperature Sensor with Raspberry Pi Pico MicroPython Raspberry Pi Pico Projects

LM35 Temperature Sensor with Raspberry Pi Pico MicroPython

ADXL375 Accelerometer with Raspberry Pi Pico & MicroPython Raspberry Pi Pico Projects

ADXL375 Accelerometer with Raspberry Pi Pico & MicroPython

HMC5883L Raspberry Pi Pico MicroPython Raspberry Pi Pico Projects

Interfacing HMC5883L Magnetometer with Raspberry Pi Pico

Raspberry Pi Pico W Projects

Raspberry Pi Pico W OpenWeatherMap Raspberry Pi Pico W Projects

Raspberry Pi Pico W IoT Weather Station – OpenWeatherMap

Raspberry Pi Pico W thingspeak DHT11 Raspberry Pi Pico W Projects

Send Sensor Data to Thingspeak with Raspberry Pi Pico W

Building a Raspberry Pi Pico W & LM35 Web Server Raspberry Pi Pico W Projects

Building a Raspberry Pi Pico W & LM35 Web Server

Power Electronics

DIY 5V 3A USB Charger for Car or Solar Panel Power Electronics

DIY 5V 3A USB Charger for Car or Solar Panel (4-30V Input)

Mamtaz Alam4 Mins Read6K
0-35V Variable Power Supply Using XL4015 DC-DC Converter

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

October 2, 2022
Transformerless Power Supply

Transformerless Power Supply – 220V AC to 9V DC

May 29, 2023
Boost Converter 3.7V to 5V

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

October 2, 2022

555 Timer Projects

Negative Voltage Generator Circuit using 555 Timer IC 555 Timer Projects

Negative Voltage Generator Circuit using 555 Timer IC

Mamtaz AlamUpdated:May 28, 20233 Mins Read3K

Overview In this guide, we will design Negative Voltage Generator Circuit using a 555 Timer…

PWM Based DC Motor Speed Control using 555 Timer

PWM Based DC Motor Speed Control using 555 Timer

August 10, 2023
DIY LED Chaser Circuit using 555 Timer IC & CD4017

LED Chaser Circuit using 555 Timer IC & CD4017

May 28, 2023
Dark Activated Automatic Evening Lamp LDR 555

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

October 2, 2022
Flashing Police Light LED Effect using 555 Timer

Flashing Police Light LED Effect using 555 Timer

June 25, 2023

LoRa/LoRaWAN Projects

RYLR890 Arduino Arduino Projects

How to use Reyax RYLR890 LoRa Module with Arduino

Mamtaz AlamUpdated:August 21, 202285 Mins Read12K

Overview In this project, we will learn how to use Reyax RYLR890 LoRa Module with Arduino. The RYLR890/RYLR896 transceiver module features the Lora long range…

SX1276 STM32 LoRa/LoRaWAN Projects

Interfacing LoRa SX1276 with STM32 Microcontroller | LR1276-915MHz

Mamtaz AlamUpdated:May 29, 202317 Mins Read12K

Overview In this tutorial, we will learn Interfacing of LoRa Module SX1276 with STM32 Bluepill Microcontroller. The LR1276UA-A-915 module uses SX1276 IC and works on…

IoT LoRa Based Smart Agriculture LoRa/LoRaWAN Projects

IoT LoRa Based Smart Agriculture & Remote Monitoring System

Mamtaz AlamUpdated:March 8, 2023177 Mins Read3K

Overview: IoT LoRa Based Smart Agriculture In this project, we are going to learn about IoT LoRa Based Smart Agriculture & Remote Monitoring System. Smart…

Latest Posts

ESP32 Projects

ESP32 IoT Vehicle Motion Analyzer with MPU6050 & LIS3MDL

Mamtaz AlamUpdated:April 27, 202612 Mins Read1K
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
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
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