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How To Electronics

Editor's Pick

Getting Started with Raspberry Pi Pico W using MicroPython
Raspberry Pi Pico W Projects

Getting Started with Raspberry Pi Pico W using MicroPython

Mamtaz AlamMarch 2, 2023
Decibelmeter ESP8266
IoT Projects

IoT Decibelmeter with Sound Sensor & ESP8266

Mamtaz AlamJuly 10, 2023
Interfacing BMI160 Accelerometer & Gyroscope with Arduino
Arduino Projects

Interfacing BMI160 Accelerometer & Gyroscope with Arduino

Mamtaz AlamFebruary 2, 2025

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

Connecting RS485 Soil Moisture & Temperature Sensor to Arduino

Connecting RS485 Soil Moisture & Temperature Sensor to Arduino

Mamtaz AlamUpdated:September 18, 20237 Mins Read17K

Overview: In this guide, we will explore how to interface a Soil Moisture & Temperature…

Atlas Scientific Ph Sensor Arduino

Interfacing Atlas Scientific Ph Sensor with Arduino via UART/I2C

May 29, 2023
How to interface & set up XBee Module with Arduino for Zigbee Communication

How to set up & interface XBee Module with Arduino (Tx & Rx)

February 2, 2025
RS-485 Simplex Communication with Arduino & MAX485

RS-485 Simplex Communication with Arduino & MAX485

February 2, 2025
DWIN HMI LCD Display Arduino

Interfacing DWIN HMI TFT LCD Display with Arduino

February 27, 2024

IoT Projects & Tutorials

IoT Based Patient Health Monitoring System using ESP8266 & Arduino IoT Projects

IoT Patient Health Monitoring with ESP8266 & Arduino

Mamtaz AlamUpdated:February 2, 202516 Mins Read56K
ESP32 Music Player ESP32 Projects

DIY ESP32 Music Audio MP3 Player with OLED Display

Mamtaz AlamUpdated:August 21, 202266 Mins Read14K
IOT Biometric Fingerprint Attendance IoT Projects

IoT Biometric Fingerprint Attendance System using ESP8266

Mamtaz AlamUpdated:October 4, 2023967 Mins Read42K
ESP32 Projects

UV Index Meter with ESP32 & UV Sensor ML8511

Mamtaz AlamUpdated:August 21, 202234 Mins Read8K

Learn Electronics

Switched-Mode Power Supply SMPS

Switched Mode Power Supply: SMPS Design & Applications

May 20, 2023
Half Wave Rectifier

Half Wave Rectifier Basics, Circuit, Working & Applications

August 4, 2023
LM386 Audio Amplifier

LM386 Audio Amplifier IC Pins, Working, Circuit & Applications

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

Product Reviews

Best 7 inch Raspberry Pi Touch Screen Display - SunFounder TS-7 Pro Raspberry Pi

Best 7 inch Raspberry Pi Touch Screen Display – SunFounder TS-7 Pro

Mamtaz AlamUpdated:August 1, 20237 Mins Read2K

Overview In this guide, we will learn about the best 7-inch Raspberry Pi Touch Screen…

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
RYS8830 GPS GNSS

Reyax RYS8830 GPS/GNSS Receiver Module Complete Guide

May 20, 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

Arduino SIM IoT Cloud

Arduino SIM: Cellular Connectivity Service for Arduino IoT Cloud

ESP32 IoT Vehicle Motion Analyzer with MPU6050 & LIS3MDL

Full-Duplex Communication with MAX485 & Arduino

RS-485 Full-Duplex Communication with MAX485 & Arduino

Arduino RGB Color Detector using TCS3200 Color Sensor

RGB Color Detector using TCS3200 Color Sensor & Arduino

Shape Based Object Tracking with OpenCV on Raspberry Pi

Shape Based Object Tracking with OpenCV on Raspberry Pi

IoT pH Sensor ESP32

DIY IoT Water pH Meter using pH Sensor & ESP32

Trending Posts
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    12V DC to 220V AC Inverter Circuit & PCB
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    How to use ADS1115 16-Bit ADC Module with Arduino
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    LD2410 Sensor with ESP32 - Human Presence Detection
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    How to use INA226 DC Current Sensor with Arduino
  • How to use Modbus RTU with ESP32 to read Sensor Data
    How to use Modbus RTU with ESP32 to read Sensor Data
  • Capacitive Soil Moisture Sensor with ESP8266/ESP32 & OLED Display
    Capacitive Soil Moisture Sensor with ESP8266/ESP32 & OLED Display
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    Designing of MPPT Solar Charge Controller using Arduino

Raspberry Pi Projects

Obstacle Avoidance Robot using Raspberry Pi
Raspberry Pi Projects

Obstacle Avoidance Robot using Raspberry Pi 4 & HC-SR04

Mamtaz AlamOctober 30, 2022
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

Raspberry Pi Pico Projects

Modbus RTU with Raspberry Pi Pico & Micropython Raspberry Pi Pico Projects

Modbus RTU with Raspberry Pi Pico & MicroPython

BME280 Raspberry Pi Pico Raspberry Pi Pico Projects

Interface BME280 with Raspberry Pi Pico using MicroPython

Temperature Sensor Raspberry Pi Pico Raspberry Pi

Read Temperature Sensor Value from Raspberry Pi Pico

Raspberry Pi Pico W Projects

BME280 Raspberry Pi Pico W Web Server Weather Station Raspberry Pi Pico W Projects

BME280 & Raspberry Pi Pico W Web Server Weather Station

Raspberry Pi Pico W OpenWeatherMap Raspberry Pi Pico W Projects

Raspberry Pi Pico W IoT Weather Station – OpenWeatherMap

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

Power Electronics

Transformerless Power Supply Electronics Circuits

Transformerless Power Supply – 220V AC to 9V DC

Mamtaz AlamUpdated:May 29, 202374 Mins Read10K
Boost Converter 3.7V to 5V

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

October 2, 2022
Designing of MPPT Solar Charge Controller using Arduino

Designing of MPPT Solar Charge Controller using Arduino

January 24, 2025

12V DC to 220V AC Inverter Circuit & PCB

February 2, 2025

555 Timer Projects

Adjustable Auto On Off Delay Timer Circuit Using 555 IC 555 Timer Projects

555 Based Adjustable Auto On Off Delay Timer Circuit

Mamtaz AlamUpdated:February 14, 20253 Mins Read2K

Overview In this tutorial, we will build an IC 555 Based Adjustable Auto On Off…

Voltage Doubler Circuit using 555 Timer IC

May 13, 2023
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
Negative Voltage Generator Circuit using 555 Timer IC

Negative Voltage Generator Circuit using 555 Timer IC

May 28, 2023

LoRa/LoRaWAN Projects

LoRaWAN Temperature Humidity Soil Moisture Sensor Data on TTN & Thingspeak LoRa/LoRaWAN Projects

Smart Soil Moisture Monitoring with LoRaWAN on TTN Server

Mamtaz AlamUpdated:March 12, 202316 Mins Read3K

Overview In this article, we will discuss the Smart Temperature/Humidity/Soil Moisture Monitoring Device with LoRaWAN on TTN (The Things Network) Server. It is an innovative…

ESP32 LoRa Web Server IoT Projects

ESP32 LoRa Sensor Data Monitoring on Web Server

Mamtaz AlamUpdated:November 27, 20237 Mins Read7K

In this project, we will make a sensor monitoring system on Web Server using an ESP32 board & LoRa Module SX1278 or SX1276. The device…

OTAA LoRaWAN Node SX1276 Arduino LoRa/LoRaWAN Projects

OTAA-based LoRaWAN Node with Arduino & LoRa SX1276

Mamtaz AlamUpdated:May 28, 202327 Mins Read13K

Overview In this article, we will learn how we can create an OTAA-based LoRaWAN Node with Arduino & LoRa Module SX1276. In previous tutorial, we…

Latest Posts

Building a Smart Sensor Node with a BLE Microcontroller BLE Projects

Building a Smart Sensor Node with a BLE Microcontroller

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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

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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
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