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How To Electronics

Editor's Pick

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

IoT Controlled Relay using Raspberry Pi Pico W WiFi

Mamtaz AlamMay 28, 2023
ESP8266 ESP32 BME680
IoT Projects

ESP32/ESP8266 BME680 Weather Station & IAQ Monitoring on MQTT

Mamtaz AlamAugust 21, 2022
Boost Converter 3.7V to 5V
Electronics Circuits

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

Mamtaz AlamOctober 2, 2022

Latest Posts

ESP32 Fingerprint Attendance System with Live Web Dashboard

ESP32 Fingerprint Attendance System with Live Web Dashboard

Mamtaz AlamUpdated:June 21, 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

74HC595 Shift Register with Arduino

Shift Register 74HC595 with Arduino – Examples & Code

Mamtaz AlamUpdated:February 2, 202519 Mins Read6K

Overview In this project, we will be interfacing 74HC595 Shift Register with Arduino. We will…

GPS Speedometer Arduino

DIY Speedometer using GPS Module Arduino & OLED

May 28, 2023
Range Finder using Ultrasonic Sensor & Arduino with OLED Display

Arduino Ultrasonic Range Finder with HC-SR04 on OLED Display

July 26, 2023
Sending Sensor Data LoRa Arduino

Sending Sensor Data Wirelessly with LoRa SX1278 & Arduino

September 16, 2022
Interfacing RGB LED Strip with Arduino

Interfacing RGB LED Strip with Arduino with Fade & Color Effect

August 22, 2022

IoT Projects & Tutorials

SIM7600 HTTP Post Arduino Arduino Projects

HTTP Post with SIM7600 & Arduino | Send Data to Server

Mamtaz AlamUpdated:August 20, 202245 Mins Read13K
Smart & Manual Home Automation with Alexa & ESP8266 ESP8266 Projects

Smart & Manual Home Automation with Alexa & ESP8266

Mamtaz AlamUpdated:November 20, 202318 Mins Read5K
Home Automation Web Server IoT Projects

IoT Home Automation using ESP8266 Web Server

Mamtaz AlamUpdated:February 3, 2024113 Mins Read6K
Modbus RTU ESP32 RS485 Communication ESP32 Projects

How to use Modbus RTU with ESP32 to read Sensor Data

Mamtaz AlamUpdated:February 2, 202510 Mins Read30K

Learn Electronics

L293D Motor Driver IC

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

May 20, 2023
Classic Bluetooth Vs. Bluetooth Low Energy What's The Difference

Bluetooth Low Energy Basics: Classic Bluetooth Vs. Bluetooth LE

May 20, 2023
Dc-to-DC Step Down Buck Converter

Buck Converter: Basics, Working, Design & Application

August 4, 2023
LM358 Dual Op Amp IC

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

November 11, 2024

Product Reviews

2.4GHz Spectrum Analyzer Articles

How to use 2.4GHz Portable Spectrum Analyzer USB Dongle

Mamtaz AlamUpdated:February 1, 20266 Mins Read3K

Overview In this guide, we will learn about the 2.4GHz Portable Spectrum Analyzer USB Dongle…

RYS8830 GPS GNSS

Reyax RYS8830 GPS/GNSS Receiver Module Complete Guide

May 20, 2023
Lucid ONE - AI Planning 7 DOF Robotic Arm from AmberRobotics

Lucid ONE: AI Planning 7-DOF Robotic Arm Review

May 21, 2023
Raspberry Pi Embedded System Development Kit for Beginners

Raspberry Pi Embedded System Development Kit for Beginners

August 18, 2023
KAIWEETS KTI-W01 Thermal Imaging Camera In-Depth Review

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

April 1, 2025
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Don't Miss

PN532 NFC Arduino Interfacing

Interfacing PN532 NFC RFID Module with Arduino

Pulse Sensor Arduino

Pulse Rate (BPM) Monitor using Arduino & Pulse Sensor

TM1637 Raspberry Pi Pico

Using 7-Segment Display TM1637 with Raspberry Pi Pico

ESP32 Web Radio

Simple ESP32 Internet Web Radio with OLED Display

Brain Computer Interface

Brain Computer Interface (BCI) System Overview & Applications

ESP32 Internet Clock

Internet Clock with ESP32 & LCD Display using NTP Client

Trending Posts
  • 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
  • IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
    IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
  • ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
    ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
  • Designing of MPPT Solar Charge Controller using Arduino
    Designing of MPPT Solar Charge Controller using Arduino
  • ESP32 Fingerprint Attendance System with Live Web Dashboard
    ESP32 Fingerprint Attendance System with Live Web 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
  • DIY IoT Water pH Meter using pH Sensor & ESP32
    DIY IoT Water pH Meter using pH Sensor & ESP32
  • How to use Modbus RTU with ESP32 to read Sensor Data
    How to use Modbus RTU with ESP32 to read Sensor Data

Raspberry Pi Projects

ADXL345 Accelerometer Raspberry Pi 4
Raspberry Pi Projects

Measuring Acceleration with ADXL345 Accelerometer & Raspberry Pi

Mamtaz AlamAugust 19, 2023
HMC5883L Magnetometer with Raspberry Pi
Raspberry Pi Projects

Interfacing HMC5883L Magnetometer with Raspberry Pi

Mamtaz AlamAugust 19, 2023

Raspberry Pi Pico Projects

in Raspberry Pi Pico I2C Scanner Raspberry Pi

How to use I2C Pins in Raspberry Pi Pico | I2C Scanner Code

Raspberry Pi Pico LED Push Button Raspberry Pi Pico Projects

LED Control using Push Button with Raspberry Pi Pico

Joystick Raspberry Pi Pico Raspberry Pi Pico Projects

Control Servo with Joystick & Raspberry Pi Pico

Raspberry Pi Pico W Projects

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

Building a Raspberry Pi Pico W & LM35 Web Server

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

Raspberry Pi Pico W OpenWeatherMap Raspberry Pi Pico W Projects

Raspberry Pi Pico W IoT Weather Station – OpenWeatherMap

Power Electronics

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

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

Mamtaz AlamUpdated:October 2, 202213 Mins Read4K
DIY 5V 3A USB Charger for Car or Solar Panel

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

September 12, 2023
Power Supply for ESP32 Board

Power Supply for ESP32 with Battery Charger & Boost Converter

September 12, 2023
Boost Converter 3.7V to 5V

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

October 2, 2022

555 Timer Projects

Laser Security System using 555 Timer IC & LDR 555 Timer Projects

Laser Security System using 555 Timer IC & LDR

Mamtaz AlamUpdated:May 13, 20234 Mins Read5K

Overview This post is all about Laser Light Security System using 555 Timer IC &…

DC-DC Converter using 555 Timer IC

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

October 2, 2022
Light Dimmer Circuit using 555 Timer IC & MOSFET

Light Dimmer Circuit using 555 Timer IC & MOSFET

December 2, 2024
Project for Girlfriend - Heart Shaped Serial LED Flasher Circuit using 555 Timer

Heart Shaped LED Flasher Circuit using 555 Timer

June 25, 2023
Dark Activated Automatic Evening Lamp LDR 555

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

October 2, 2022

LoRa/LoRaWAN Projects

LoRa Soil Moisture IoT Projects

LoRa Based Soil Moisture Monitoring on LoRa ESP32 WebServer

Mamtaz AlamUpdated:August 20, 202227 Mins Read3K

Overview: LoRa Based Soil Moisture Monitoring In this Smart Agriculture Project, we will make LoRa Based Soil Moisture Monitoring System Project. The LoRa Soil Moisture…

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…

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 &…

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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