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How To Electronics

Editor's Pick

ADXL345 Accelerometer Raspberry Pi 4
Raspberry Pi Projects

Measuring Acceleration with ADXL345 Accelerometer & Raspberry Pi

Mamtaz AlamAugust 19, 2023
Smart Shopping Cart with Automatic Billing System using RFID & Arduino
Arduino Projects

Smart Shopping Cart with Automatic Billing System using RFID & Arduino

Mamtaz AlamOctober 9, 2023
Rotary Encoder Raspberry Pi Pico Electronic Hourglass
Raspberry Pi Pico Projects

Electronic Hourglass with Raspberry Pi Pico & Rotary Encoder

Mamtaz AlamNovember 3, 2022

Latest Posts

ESP32 Fingerprint Attendance System with Live Web Dashboard

Mamtaz AlamUpdated:June 14, 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

TM1637 Arduino

How to use TM1637 4-digit 7-segment LED display with Arduino

Mamtaz AlamUpdated:September 27, 202227 Mins Read11K

Overview In this tutorial, we will learn how to use the TM1637 4-digit 7-segment LED…

Arduino TTP223 Capacitive Touch Sensor Switch

Touch Detector using Arduino TTP223 Capacitive Touch Sensor

September 16, 2022
AC Dimmer TRIAC Arduino

220V AC Light/Fan Dimmer using TRIAC & Arduino

February 2, 2025
Soil NPK Sensor Arduino

Measure Soil Nutrient using Arduino & Soil NPK Sensor

October 24, 2024
RS485 Modbus RTU protocol with Arduino

How to use Modbus RTU with Arduino to read Sensor Data

February 2, 2025

IoT Projects & Tutorials

Aquarium Water Quality Monitor with TDS Sensor & ESP32 IoT Projects

Aquarium Water Quality Monitor with TDS Sensor & ESP32

Mamtaz AlamUpdated:August 20, 202247 Mins Read17K
Weather Station NodeMCU IoT Projects

IoT Live Weather Station Monitoring Using NodeMCU ESP8266

Mamtaz AlamUpdated:August 3, 2023325 Mins Read16K
ESP32 Home Automation with KME Smart IoT Platform ESP32 Projects

ESP32 Home Automation with KME Smart IoT Platform

Mamtaz AlamUpdated:February 2, 20259 Mins Read2K
Smart Home using DWIN HMI Display & ESP32 ESP32 Projects

Smart Home Controller using DWIN HMI Display & ESP32

Mamtaz AlamUpdated:February 27, 2024211 Mins Read27K

Learn Electronics

Types of Diode : Overview, Symbol, Working & Applications

Types of Diode : Overview, Symbol, Working & Applications

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

Boost Converter: Basics, Working, Design & Application

August 4, 2023
555 Timer IC Working

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

January 24, 2025
Cycloconverters Design, Working, Types & Applications

Cycloconverters: Design, Working, Types & Applications

May 20, 2023

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…

The Best 60W Electric Soldering Iron Station

The Best 60W Electric Soldering Iron Station – Test & Review

June 28, 2025
Rust Arduino

How to Run Rust on Arduino UNO

May 20, 2023
Getting Started with Nuvoton NuMaker UNO NUC131 Microcontroller

Getting Started with Nuvoton NuMaker UNO NUC131 Microcontroller

July 9, 2023
RYS8830 GPS GNSS

Reyax RYS8830 GPS/GNSS Receiver Module Complete Guide

May 20, 2023
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Don't Miss

Motion Detection ESP32 CAM

Motion Detection Squid Game using ESP32 CAM & OpenCV

AWS IoT Core ESP32 Lamp LED Relay

Control Relay/LED/Lamp with AWS IoT Core using ESP32

Temperature Based Fan Speed Control & Monitoring With Arduino

Temperature Based Fan Speed Controller using Arduino

Control Stepper Motor with DRV8825 Driver & Raspberry Pi Pico

Control Stepper Motor with DRV8825 Driver & Raspberry Pi Pico

Anemometer Arduino

How to Measure Wind Speed using Anemometer & Arduino

Measure Pitch, Roll, Yaw with MPU6050 HMC5883L & ESP32

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

Trending Posts
  • IoT Based PM & Air Quality Monitoring System using ESP32
    IoT Based PM & Air Quality Monitoring System using ESP32
  • 12V DC to 220V AC Inverter Circuit & PCB
    12V DC to 220V AC Inverter Circuit & PCB
  • Buck Converter: Basics, Working, Design & Application
    Buck Converter: Basics, Working, Design & Application
  • How to use INA219 DC Current Sensor Module with Arduino
    How to use INA219 DC Current Sensor Module with Arduino
  • Designing of MPPT Solar Charge Controller using Arduino
    Designing of MPPT Solar Charge Controller using Arduino
  • High-Accuracy Pitch, Roll, Yaw with ESP32 & BNO08x IMU
    High-Accuracy Pitch, Roll, Yaw with ESP32 & BNO08x IMU
  • ECG Graph Monitoring with AD8232 ECG Sensor & Arduino
    ECG Graph Monitoring with AD8232 ECG Sensor & Arduino
  • IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
    IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
  • L293D Dual H-Bridge Motor Driver IC Pins, Circuit, Working
    L293D Dual H-Bridge Motor Driver IC Pins, Circuit, Working
  • IoT Based Electricity Energy Meter using ESP32 & Blynk
    IoT Based Electricity Energy Meter using ESP32 & Blynk

Raspberry Pi Projects

HMC5883L Magnetometer with Raspberry Pi
Raspberry Pi Projects

Interfacing HMC5883L Magnetometer with Raspberry Pi

Mamtaz AlamAugust 19, 2023
Getting Started & Setting up Raspberry Pi 4 Model B
Raspberry Pi Projects

Getting Started & Setting up Raspberry Pi 4 Model B

Mamtaz AlamDecember 20, 2022

Raspberry Pi Pico Projects

Shift Register 74HC595 with Raspberry Pi Pico & MicroPython Raspberry Pi Pico Projects

Shift Register 74HC595 with Raspberry Pi Pico & MicroPython

RFID RC522 Raspberry Pi Pico Raspberry Pi Pico Projects

Using RC522 RFID Reader Module with Raspberry Pi Pico

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

LM35 Temperature Sensor with Raspberry Pi Pico MicroPython

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

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

Power Electronics

SG3525 PWM Inverter Circuit 12V to 220V, 300W, 5060 Hz Power Electronics

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

Mamtaz AlamUpdated:May 28, 202318 Mins Read28K
Power Supply for NodeMCU

Power Supply for NodeMCU with Battery Charger & Boost Converter

October 2, 2022
3.7V to 9V Boost Converter

DIY 3.7V to 9V Boost Converter Circuit using MC34063

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

Dark Activated Automatic Evening Lamp LDR 555 555 Timer Projects

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

Mamtaz AlamUpdated:October 2, 20224 Mins Read2K

In this mini electronics project we learn how to make Dark Activated 220V Automatic Evening…

Automatic Street Light using 555 Timer Circuit

Automatic Street Light using 555 Timer Circuit & LDR

October 2, 2022
Fire Alarm 555 Circuit

Fire Alarm Circuit Using IC 555 Timer & Thermistor

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

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

October 2, 2022
Rainfall Detector Alarm using 555 Timer & Rain Sensor

Rainfall Detector Alarm using 555 Timer & Rain Sensor

February 2, 2025

LoRa/LoRaWAN Projects

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…

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…

Interfacing SX1278 LORA Arduino Arduino Projects

Interfacing SX1278 (Ra-02) LORA Module with Arduino

Mamtaz AlamUpdated:August 22, 2022237 Mins Read62K

In this tutorial, we will learn about Interfacing SX1278 (Ra-02) LORA Module with Arduino. We will see SX1278 LORA & Arduino example and make a…

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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