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How To Electronics

Editor's Pick

Project Alexa & ESP32 Based Smart & Manual Home Automation System
ESP32 Projects

Alexa & ESP32 Based Smart & Manual Home Automation System

Mamtaz AlamFebruary 2, 2025
Interfacing ADXL375 Accelerometer with Arduino
Arduino Projects

Interfacing ADXL375 Accelerometer with Arduino (±200g)

Mamtaz AlamJune 28, 2025
DWIN HMI LCD Display Arduino
Arduino Projects

Interfacing DWIN HMI TFT LCD Display with Arduino

Mamtaz AlamFebruary 27, 2024

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

Decibel Meter using Sound Module & Arduino

Decibel Meter using Sound Module & Arduino with LCD Display

Mamtaz AlamUpdated:July 10, 202384 Mins Read18K

Introduction: Decibel Meter using Sound Module & Arduino with LCD Display has been designed specifically…

Flex Sensor Arduino Interfacing

Flex Sensor & Arduino Interfacing – Measure Bend/Resistance

May 27, 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
ECG Display using Pulse Sensor with OLED & Arduino

ECG Display using Pulse Sensor with OLED & Arduino

May 26, 2023
PZEM-004T Arduino Energy Meter

DIY AC Energy Meter using PZEM-004T & Arduino

March 6, 2025

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
GSM Arduino Firebase Arduino Projects

GSM & Arduino Communication with Firebase or Thingspeak

Mamtaz AlamUpdated:August 20, 202266 Mins Read4K
IoT Based Smart Kitchen IoT Projects

IoT Based Smart Kitchen Automation & Monitoring with ESP8266

Mamtaz AlamUpdated:December 23, 202327 Mins Read11K
IoT Based Visitor Counter IoT Projects

IoT Bidirectional Visitor Counter using ESPP8266 & MQTT

Mamtaz AlamUpdated:May 29, 202368 Mins Read5K

Learn Electronics

Half Wave Rectifier

Half Wave Rectifier Basics, Circuit, Working & Applications

August 4, 2023
DC-to-DC Converters

DC-to-DC Converters: Design, Working & Applications

May 20, 2023
LM386 Audio Amplifier

LM386 Audio Amplifier IC Pins, Working, Circuit & Applications

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

Boost Converter: Basics, Working, Design & Application

August 4, 2023

Product Reviews

MyArm 300 PI 2023 - Portable 7-Axis Robotic Arm Review Product Review

MyArm 300 Pi Unboxing & Usage – Portable 7-Axis Robotic Arm

Mamtaz AlamUpdated:February 2, 202510 Mins Read

Overview In today’s fast-paced world of robotics, the MyArm 300 PI 2023 really shines as…

PlayStation 5 vs Xbox Series X Compared

PlayStation 5 vs Xbox Series X Compared

October 14, 2023
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
Getting Started with Nuvoton NuMaker UNO NUC131 Microcontroller

Getting Started with Nuvoton NuMaker UNO NUC131 Microcontroller

July 9, 2023
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Don't Miss

Control Stepper Motor with DRV8825 Driver & ESP8266

How to Control Stepper Motor with DRV8825 Driver & ESP8266

TEMT6000 Light Sensor Arduino

TEMT6000 Ambient Light Sensor & Arduino – Measure Illuminance & Light Intensity

Lithium Ion Battery Charger Circuit

Lithium-Ion Battery Charger Circuit using MCP73831

Android Firebase ESP8266

Send Sensor Data to Android Using Google Firebase & ESP8266

Smart Shopping Cart with Automatic Billing System using RFID & Arduino

Smart Shopping Cart with Automatic Billing System using RFID & Arduino

Measure Angle MPU6050 Arduino

Measure Tilt Angle Using MPU6050 Gyro/Accelerometer & Arduino

Trending Posts
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    C1001 60 GHz mmWave Sensor with ESP32 for Sleep, Fall, Life Detection
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    How to use INA226 DC Current Sensor with Arduino
  • Designing of MPPT Solar Charge Controller using Arduino
    Designing of MPPT Solar Charge Controller using Arduino
  • 12V DC to 220V AC Inverter Circuit & PCB
    12V DC to 220V AC Inverter Circuit & PCB
  • ESP32 Fingerprint Voting Machine with Live Web Dashboard
    ESP32 Fingerprint Voting Machine with Live Web Dashboard
  • ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
    ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
  • 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
  • Measure Pitch, Roll, Yaw with MPU6050 + HMC5883L & ESP32
    Measure Pitch, Roll, Yaw with MPU6050 + HMC5883L & ESP32
  • DIY IoT Water pH Meter using pH Sensor & ESP32
    DIY IoT Water pH Meter using pH Sensor & ESP32

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 Embedded System Development Kit for Beginners
Raspberry Pi Projects

Raspberry Pi Embedded System Development Kit for Beginners

Mamtaz AlamAugust 18, 2023

Raspberry Pi Pico Projects

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

Shift Register 74HC595 with Raspberry Pi Pico & MicroPython

LCD Display Raspberry Pi Pico Raspberry Pi Pico Projects

Interfacing 16×2 LCD Display with Raspberry Pi Pico

Seeed XIAO RP2040 Raspberry Pi Pico Projects

Getting Started with Seeed XIAO RP2040 with Projects

Raspberry Pi Pico W Projects

Raspberry Pi Pico W OpenWeatherMap Raspberry Pi Pico W Projects

Raspberry Pi Pico W IoT Weather Station – OpenWeatherMap

Pi Pico W Web Server MicroPython Raspberry Pi Pico W Projects

Raspberry Pi Pico W Web Server Tutorial with MicroPython

BME280 Raspberry Pi Pico W Blynk Raspberry Pi Pico W Projects

Raspberry Pi Pico W send BME280 Sensor Data to Blynk 2.0

Power Electronics

3.7V to 9V Boost Converter Electronics Circuits

DIY 3.7V to 9V Boost Converter Circuit using MC34063

Mamtaz AlamUpdated:May 29, 202335 Mins Read8K
Transformerless Power Supply

Transformerless Power Supply – 220V AC to 9V DC

May 29, 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
0-35V Variable Power Supply Using XL4015 DC-DC Converter

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

October 2, 2022

555 Timer Projects

PWM Based DC Motor Speed Control using 555 Timer 555 Timer Projects

PWM Based DC Motor Speed Control using 555 Timer

Mamtaz AlamUpdated:August 10, 20236 Mins Read13K

Overview: In this tutorial, we learn about the PWM Based DC Motor Speed Control using…

DC-DC Converter using 555 Timer IC

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

October 2, 2022
Dark Activated Automatic Evening Lamp LDR 555

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

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

Light Dimmer Circuit using 555 Timer IC & MOSFET

December 2, 2024
DIY LED Chaser Circuit using 555 Timer IC & CD4017

LED Chaser Circuit using 555 Timer IC & CD4017

May 28, 2023

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…

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…

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…

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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