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How To Electronics

Editor's Pick

IoT AD8232 ECG ESP32
IoT Projects

IoT Based ECG Monitoring with AD8232 ECG Sensor & ESP32

Mamtaz AlamAugust 22, 2022
Expanding ESP8266 Analog Pin with ADS1115
ESP8266 Projects

Expanding ESP8266 Analog Pin: ADS1115 Integration Guide

Mamtaz AlamSeptember 29, 2023
Types of Diode : Overview, Symbol, Working & Applications
Articles

Types of Diode : Overview, Symbol, Working & Applications

Mamtaz AlamMay 20, 2023

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

Voice Controlled Robot Arduino

Wireless Voice Controlled Robot Car Using Arduino

Mamtaz AlamUpdated:August 3, 2023163 Mins Read19K

Overview In this project, we will learn how to make Voice Controlled Robot Car Using…

SIM7600 HTTP Post Arduino

HTTP Post with SIM7600 & Arduino | Send Data to Server

August 20, 2022
Arduino MLX90614 Infrared Temperature Sensor

DIY Infrared Thermometer using MLX90614, Arduino & OLED

April 23, 2024
Smart Shopping Cart with Automatic Billing System using RFID & Arduino

Smart Shopping Cart with Automatic Billing System using RFID & Arduino

October 9, 2023
R502 R503 Capacitive Fingerprint Sensor Arduino

Interfacing R502/R503 Capacitive Fingerprint Sensor with Arduino

June 14, 2026

IoT Projects & Tutorials

Product Counter ESP32 CAM ESP32-CAM Projects

Industrial Product Counter using ESP32 CAM & OpenCV

Mamtaz AlamUpdated:May 29, 202377 Mins Read12K
ABP LoRaWAN Node Arduino LoRa/LoRaWAN Projects

ABP-based LoRaWAN Node with Arduino & LoRa SX1276

Mamtaz AlamUpdated:May 28, 20237 Mins Read4K
Water Tank Level Monitoring System with GSM & ESP8266 ESP8266 Projects

Monitor Water Tank Level with GSM & ESP8266 on Blynk

Mamtaz AlamUpdated:June 28, 20256 Mins Read5K
CCS811 ESP8266 ESP32 IoT Projects

Monitor CCS811 CO2 & TVOC on ESP8266/ESP32 Webserver

Mamtaz AlamUpdated:August 21, 202214 Mins Read7K

Learn Electronics

Full Wave Bridge Rectifier

Full Wave Rectifier Basics, Circuit, Working & Applications

August 4, 2023
Silicon Controlled Rectifier (SCR) Construction & Working

Silicon Controlled Rectifier (SCR): Construction, Working & Applications

December 2, 2024
Half Wave Rectifier

Half Wave Rectifier Basics, Circuit, Working & Applications

August 4, 2023
AC to DC Converters

AC to DC Converters: Features, Design & Applications

May 20, 2023

Product Reviews

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

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

Mamtaz AlamUpdated:April 1, 20255 Mins Read

Overview The KAIWEETS KTI-W01 Thermal Imaging Camera delivers a high-resolution and versatile thermal imaging experience, ideal…

Rust Arduino

How to Run Rust on Arduino UNO

May 20, 2023
Build a DIY Customized Mini PC using Raspberry Pi 4

Build a DIY Customized Mini PC using Raspberry Pi 4

January 8, 2024
2.4GHz Spectrum Analyzer

How to use 2.4GHz Portable Spectrum Analyzer USB Dongle

February 1, 2026
Shenzhen Huaqiu Electronics

Shenzhen Huaqiu Electronics Approach for upgrading Electronics Industry

April 14, 2024
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Don't Miss

Interfacing SX1278 LORA Arduino

Interfacing SX1278 (Ra-02) LORA Module with Arduino

Under, Normal, Over AC Voltage Protection & Monitoring System using Arduino

Arduino AC Voltage Protection & Monitoring System | Under, Normal & Over Voltage

HMC5883L Magnetometer with Raspberry Pi

Interfacing HMC5883L Magnetometer with Raspberry Pi

IoT Based Battery Monitoring System ESP8266

IoT Based Battery Status Monitoring System using ESP8266

Inductive Water Level Indicator with Display using IC 74HC157 & CD4511

Inductive Water Level Indicator with Display using IC 74HC157 & CD4511

Digital Thermometer Using Arduino & DS18B20 Temperature Sensor

Digital Thermometer Using Arduino & DS18B20 Temperature Sensor

Trending Posts
  • IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
    IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
  • 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
  • 12V DC to 220V AC Inverter Circuit & PCB
    12V DC to 220V AC Inverter Circuit & PCB
  • How to use Modbus RTU with ESP32 to read Sensor Data
    How to use Modbus RTU with ESP32 to read Sensor Data
  • ESP32 Fingerprint Voting Machine with Live Web Dashboard
    ESP32 Fingerprint Voting Machine with Live Web Dashboard
  • C1001 60 GHz mmWave Sensor with ESP32 for Sleep, Fall, Life Detection
    C1001 60 GHz mmWave Sensor with ESP32 for Sleep, Fall, Life Detection
  • ECG Graph Monitoring with AD8232 ECG Sensor & Arduino
    ECG Graph Monitoring with AD8232 ECG Sensor & Arduino
  • LD2410 Sensor with ESP32 - Human Presence Detection
    LD2410 Sensor with ESP32 - Human Presence Detection
  • ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
    ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with 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
ADS1115 16-Bit ADC Module with Raspberry Pi
Raspberry Pi Projects

How to use ADS1115 16-Bit ADC Module with Raspberry Pi

Mamtaz AlamNovember 28, 2024

Raspberry Pi Pico Projects

Raspberry Pi Pico Camera Raspberry Pi

Interfacing 5MP SPI Camera with Raspberry Pi Pico

Fire Alarm Raspberry Pi Pico Raspberry Pi Pico Projects

Fire Alarm System using Flame Sensor & Raspberry Pi Pico

Rotary Encoder Raspberry Pi Pico Electronic Hourglass Raspberry Pi Pico Projects

Electronic Hourglass with Raspberry Pi Pico & Rotary Encoder

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

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

Raspberry Pi Pico W thingspeak DHT11 Raspberry Pi Pico W Projects

Send Sensor Data to Thingspeak with Raspberry Pi Pico W

Power Electronics

Lithium Ion Battery Charger Circuit Electronics Circuits

Lithium-Ion Battery Charger Circuit using MCP73831

Mamtaz AlamUpdated:September 12, 202335 Mins Read12K
DC-DC Converter using 555 Timer IC

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

October 2, 2022
Voltage Doubler Simulation

12V to 24V Voltage Doubler Circuit

April 28, 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

555 Timer Projects

Brushless DC Motor Driver Circuit Electronics Circuits

(BLDC) Brushless DC Motor Driver Circuit using 555 IC

Mamtaz AlamUpdated:August 10, 202313 Mins Read12K

Overview: Brushless DC Motor Driver Circuit using 555 IC In this project we will make…

Dark/Light Detector using 555 Timer

Dark/Light Detector using 555 Timer & LDR – Electronics Mini Project

February 2, 2025
Gas Leak Detection & Alarm using 555 Timer IC

Gas Leak Detection & Alarm using 555 Timer IC

February 2, 2025
Automatic Street Light using 555 Timer Circuit

Automatic Street Light using 555 Timer Circuit & LDR

October 2, 2022
Flashing Police Light LED Effect using 555 Timer

Flashing Police Light LED Effect using 555 Timer

June 25, 2023

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 Relay Switch IoT Projects

LoRa Relay Switch – Control Home Appliances using LoRa

Mamtaz AlamUpdated:August 21, 202235 Mins Read5K

Overview: Control Home Appliances using LoRa Relay Switch In this project, we will make a LoRa Relay Switch or LoRa Based Power Relay Control System…

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…

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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