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How To Electronics

Editor's Pick

WS2812B NodeMCU
IoT Projects

Blynk Controlled WS2812B Neopixel LED Strip with NodeMCU

Mamtaz AlamAugust 21, 2022
LoRa Weather Station
Arduino Projects

LoRa Based Wireless Weather Station with Arduino & ESP32

Mamtaz AlamAugust 3, 2023
Shift Register 74HC595 with Raspberry Pi Pico & MicroPython
Raspberry Pi Pico Projects

Shift Register 74HC595 with Raspberry Pi Pico & MicroPython

Mamtaz AlamFebruary 2, 2025

Latest Posts

ESP32 Fingerprint Voting Machine with Live Web Dashboard

ESP32 Fingerprint Voting Machine with Live Web Dashboard

Mamtaz AlamUpdated:July 12, 202613 Mins Read
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

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

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

Arduino Projects & Tutorials

Tilt Angle & Distance Meter

Arduino Tilt Angle & Distance Meter with ADXL335 & HC-SR04

Mamtaz AlamUpdated:September 16, 202214 Mins Read3K

Arduino Tilt Angle & Distance Meter with ADXL335 & HC-SR04 In this post, we will…

Anemometer Arduino

How to Measure Wind Speed using Anemometer & Arduino

August 30, 2023
Soil Ph Sensor Arduino

DIY Soil Ph Meter using Soil Ph Sensor & Arduino

October 24, 2024
A9G GPRS GPS Internet

Internet with A9G Low Power GPRS+GPS Module & Arduino

August 21, 2022
Myoware Muscle Sensor Arduino

Electromyography(EMG) with MyoWare Muscle Sensor & Arduino

August 21, 2022

IoT Projects & Tutorials

Home Automation using Amazon AWS IoT Core & ESP32 IoT Projects

Home Automation using Amazon AWS IoT Core & ESP32

Mamtaz AlamUpdated:February 2, 202511 Mins Read6K
IoT Based Battery Monitoring System ESP8266 ESP8266 Projects

IoT Based Battery Status Monitoring System using ESP8266

Mamtaz AlamUpdated:November 11, 202456 Mins Read33K
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 Based Visitor Counter IoT Projects

IoT Bidirectional Visitor Counter using ESPP8266 & MQTT

Mamtaz AlamUpdated:May 29, 202368 Mins Read5K

Learn Electronics

DC-to-AC Converters (Inverters)

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

May 20, 2023
Cycloconverters Design, Working, Types & Applications

Cycloconverters: Design, Working, Types & Applications

May 20, 2023
Op Amp IC 741 Basics, Characteristics, Pins & Applications

Op Amp IC 741 Basics, Characteristics, Pins, Applications

November 28, 2024
LM358 Dual Op Amp IC

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

November 11, 2024

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…

Build a DIY Customized Mini PC using Raspberry Pi 4

Build a DIY Customized Mini PC using Raspberry Pi 4

January 8, 2024
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
DWIN HMI TFT LCD Display

Getting started with DWIN HMI TFT LCD Display

February 27, 2024
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Don't Miss

Indoor Air Quality Analysis using ESP32 & Bytebeam Cloud

Indoor Air Quality Analysis using ESP32 & Bytebeam Cloud

MAX6675 Thermocouple Arduino

Industrial Thermometer with MAX6675 Thermocouple & Arduino

Solar Radiation Measurement using Pyranometer sensor & Arduino

Solar Radiation Measurement using Pyranometer Sensor & Arduino

Interfacing AD8495 K-Type Thermocouple Amplifier with Arduino

Interfacing AD8495 K-Type Thermocouple Amplifier with Arduino

DRV8825 Stepper Motor Arduino

How to Control Stepper Motor with DRV8825 Driver & Arduino

IoT Solar Power Monitoring System ESP32

IoT Based Solar Power Monitoring System with ESP32

Trending Posts
  • C1001 60 GHz mmWave Sensor with ESP32 for Sleep, Fall, Life Detection
    C1001 60 GHz mmWave Sensor with ESP32 for Sleep, Fall, Life Detection
  • 12V DC to 220V AC Inverter Circuit & PCB
    12V DC to 220V AC Inverter Circuit & PCB
  • IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
    IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
  • Designing of MPPT Solar Charge Controller using Arduino
    Designing of MPPT Solar Charge Controller using Arduino
  • ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
    ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
  • How to use INA219 DC Current Sensor Module with Arduino
    How to use INA219 DC Current Sensor Module with Arduino
  • How to use INA226 DC Current Sensor with Arduino
    How to use INA226 DC Current Sensor with Arduino
  • Buck Converter: Basics, Working, Design & Application
    Buck Converter: Basics, Working, Design & Application
  • LD2410 Sensor with ESP32 - Human Presence Detection
    LD2410 Sensor with ESP32 - Human Presence Detection
  • Face Recognition Based Attendance System using ESP32 CAM
    Face Recognition Based Attendance System using ESP32 CAM

Raspberry Pi Projects

Text-to-Speech Speaking Robot Raspberry Pi 4
Raspberry Pi Projects

Text-to-Speech Speaking Robot using Raspberry Pi 4

Mamtaz AlamOctober 30, 2022
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

ADXL335 Raspberry Pi Pico Raspberry Pi Pico Projects

Interfacing ADXL335 Accelerometer with Raspberry Pi Pico

TM1637 Raspberry Pi Pico Raspberry Pi

Using 7-Segment Display TM1637 with Raspberry Pi Pico

Control Stepper Motor with A4988 Driver & Raspberry Pi Pico Raspberry Pi Pico Projects

Control Stepper Motor with A4988 Driver & 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

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

Getting Started with Raspberry Pi Pico W using MicroPython

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

Power Supply for ESP32 Board ESP32 Projects

Power Supply for ESP32 with Battery Charger & Boost Converter

Mamtaz AlamUpdated:September 12, 202375 Mins Read44K
Lithium Ion Battery Charger Circuit

Lithium-Ion Battery Charger Circuit using MCP73831

September 12, 2023
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

12V DC to 220V AC Inverter Circuit & PCB

February 2, 2025

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 &…

Negative Voltage Generator Circuit using 555 Timer IC

Negative Voltage Generator Circuit using 555 Timer IC

May 28, 2023
Adjustable Auto On Off Delay Timer Circuit Using 555 IC

555 Based Adjustable Auto On Off Delay Timer Circuit

February 14, 2025
Servo Motor Controller & Tester Circuit using 555 Timer IC

Servo Motor Controller & Tester Circuit using 555 Timer IC

October 8, 2023

Voltage Doubler Circuit using 555 Timer IC

May 13, 2023

LoRa/LoRaWAN Projects

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…

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…

STM32 LoRa SX1278 STM32 Projects

Interfacing LoRa SX1278 with STM32 – Sender & Receiver

Mamtaz AlamUpdated:May 29, 202386 Mins Read20K

Overview In this tutorial, we will learn Interfacing of LoRa Module SX1278 with STM32 Bluepill Microcontroller. The Ra-02 module uses SX1278 IC and works on…

Latest Posts

High-Accuracy Pitch, Roll, Yaw with ESP32 & BNO08x IMU ESP32 Projects

High-Accuracy Pitch, Roll, Yaw with ESP32 & BNO08x IMU

Mamtaz AlamUpdated:April 27, 20268 Mins Read2K
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

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
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