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How To Electronics

Editor's Pick

Laser Light Security System with Raspberry Pi Pico
Raspberry Pi

Laser Light Security System with Raspberry Pi Pico & LDR

Mamtaz AlamSeptember 30, 2022
MAX30100 Pulse Oximeter Sensor Arduino
Arduino Projects

Interfacing MAX30100 Pulse Oximeter Sensor with Arduino

Mamtaz AlamFebruary 9, 2024
Dissolved Oxygen Sensor Arduino
Arduino Projects

D.O. Meter using Analog Dissolved Oxygen Sensor & Arduino

Mamtaz AlamMay 29, 2023

Latest Posts

Types of Diode : Overview, Symbol, Working & Applications

Types of Diode : Overview, Symbol, Working & Applications

Mamtaz AlamUpdated:July 26, 202613 Mins Read16K
ESP32 Patient Health Monitor (ECG, SpO₂, BPM) & Live Dashboard

ESP32 Patient Health Monitor (ECG, SpO₂, BPM) & Live Dashboard

Mamtaz AlamUpdated:July 26, 202613 Mins Read
Buck Converter vs Boost Converter

Buck Converter vs Boost Converter: Working, Differences & Applications

July 16, 2026
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

Arduino Projects & Tutorials

MAX30102 & Arduino Heart Rate + Blood Oxygen Monitoring

MAX30102 & Arduino: Heart Rate + Blood Oxygen Monitoring

Mamtaz AlamUpdated:April 2, 2024410 Mins Read25K

Overview In this project, we will be interfacing MAX30102 Pulse Oximeter Sensor with Arduino to…

Arduino TTP223 Capacitive Touch Sensor Switch

Touch Detector using Arduino TTP223 Capacitive Touch Sensor

September 16, 2022
RS485 Modbus RTU protocol with Arduino

How to use Modbus RTU with Arduino to read Sensor Data

February 2, 2025
LoRa Weather Station

LoRa Based Wireless Weather Station with Arduino & ESP32

August 3, 2023
Soil NPK Sensor Arduino

Measure Soil Nutrient using Arduino & Soil NPK Sensor

October 24, 2024

IoT Projects & Tutorials

Indoor Air Quality Analysis using ESP32 & Bytebeam Cloud ESP32 Projects

Indoor Air Quality Analysis using ESP32 & Bytebeam Cloud

Vaibhav SharmaUpdated:December 20, 20228 Mins Read4K
ESP32 Cam send Image Google Drive ESP32-CAM Projects

How to send ESP32 CAM Captured Image to Google Drive

Priyansh ShankhdharUpdated:May 29, 202358 Mins Read12K
Weather Station NodeMCU IoT Projects

IoT Live Weather Station Monitoring Using NodeMCU ESP8266

Mamtaz AlamUpdated:August 3, 2023325 Mins Read16K
Aquarium Water Quality Monitor with TDS Sensor & ESP32 IoT Projects

Aquarium Water Quality Monitor with TDS Sensor & ESP32

Mamtaz AlamUpdated:August 20, 202247 Mins Read17K

Learn Electronics

Linear Voltage Regulator

Linear Voltage Regulator – Circuit, Types & Applications

May 20, 2023
DC-to-AC Converters (Inverters)

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

July 26, 2026
DC-to-DC Converters

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

KAIWEETS KTI-W01 Thermal Imaging Camera In-Depth Review

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

April 1, 2025
The Best 60W Electric Soldering Iron Station

The Best 60W Electric Soldering Iron Station – Test & Review

June 28, 2025
Shenzhen Huaqiu Electronics

Shenzhen Huaqiu Electronics Approach for upgrading Electronics Industry

April 14, 2024
PlayStation 5 vs Xbox Series X Compared

PlayStation 5 vs Xbox Series X Compared

October 14, 2023
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Don't Miss

Interfacing Multiple DS18B20 Temperature Sensors to Arduino

Interfacing Multiple DS18B20 Temperature Sensors to Arduino

AC Dimmer TRIAC Arduino

220V AC Light/Fan Dimmer using TRIAC & Arduino

ESP32 BME280 Weather Station

ESP32 & BME280 Based Mini Weather Station

Switched-Mode Power Supply SMPS

Switched Mode Power Supply: SMPS Design & Applications

Gesture Recognition and Its Application in Machine Learning

Home Automation using Amazon AWS IoT Core & ESP32

Home Automation using Amazon AWS IoT Core & ESP32

Trending Posts
  • ESP32 Patient Health Monitor (ECG, SpO₂, BPM) & Live Dashboard
    ESP32 Patient Health Monitor (ECG, SpO₂, BPM) & Live Dashboard
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    12V DC to 220V AC Inverter Circuit & PCB
  • Buck Converter: Basics, Working, Design & Application
    Buck Converter: Basics, Working, Design & Application
  • ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
    ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
  • IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
    IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
  • How to use Modbus RTU with ESP32 to read Sensor Data
    How to use Modbus RTU with ESP32 to read Sensor Data
  • ESP32 Fingerprint Attendance System with Live Web Dashboard
    ESP32 Fingerprint Attendance System with Live Web Dashboard
  • Designing of MPPT Solar Charge Controller using Arduino
    Designing of MPPT Solar Charge Controller using Arduino
  • Silicon Controlled Rectifier (SCR): Construction, Working & Applications
    Silicon Controlled Rectifier (SCR): Construction, Working & Applications
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    How to use INA226 DC Current Sensor with Arduino

Raspberry Pi Projects

Raspberry Pi 4 Model B
Raspberry Pi Projects

Raspberry Pi 4 Model B comparison & what’s inside the box

Mamtaz AlamAugust 28, 2023
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

Rotary Encoder Raspberry Pi Pico Electronic Hourglass Raspberry Pi Pico Projects

Electronic Hourglass with Raspberry Pi Pico & Rotary Encoder

OLED Display Raspberry Pi Pico Raspberry Pi

Interfacing SSD1306 OLED Display with Raspberry Pi Pico

Fire Alarm Raspberry Pi Pico Raspberry Pi Pico Projects

Fire Alarm System using Flame Sensor & Raspberry Pi Pico

Raspberry Pi Pico W Projects

IoT RGB LED Strip Control with Raspberry Pi Pico W & Adafruit IO Raspberry Pi Pico W Projects

IoT RGB LED Strip Control with Raspberry Pi Pico W & Adafruit IO

Raspberry Pi Pico W OpenWeatherMap Raspberry Pi Pico W Projects

Raspberry Pi Pico W IoT Weather Station – OpenWeatherMap

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

Designing of MPPT Solar Charge Controller using Arduino Arduino Projects

Designing of MPPT Solar Charge Controller using Arduino

Mamtaz AlamUpdated:January 24, 20253313 Mins Read58K
3.7V to 9V Boost Converter

DIY 3.7V to 9V Boost Converter Circuit using MC34063

May 29, 2023
Power Supply for ESP32 Board

Power Supply for ESP32 with Battery Charger & Boost Converter

September 12, 2023
DC-DC Converter using 555 Timer IC

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

October 2, 2022

555 Timer Projects

Dark/Light Detector using 555 Timer 555 Timer Projects

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

Mamtaz AlamUpdated:February 2, 202512 Mins Read6K

Introduction: Here we have explained a Dark/Light Detector using 555 Timer & LDR (Light Dependent…

Negative Voltage Generator Circuit using 555 Timer IC

Negative Voltage Generator Circuit using 555 Timer IC

May 28, 2023
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
DIY LED Chaser Circuit using 555 Timer IC & CD4017

LED Chaser Circuit using 555 Timer IC & CD4017

May 28, 2023

LoRa/LoRaWAN Projects

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…

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…

SX1276 STM32 LoRa/LoRaWAN Projects

Interfacing LoRa SX1276 with STM32 Microcontroller | LR1276-915MHz

Mamtaz AlamUpdated:May 29, 202317 Mins Read12K

Overview In this tutorial, we will learn Interfacing of LoRa Module SX1276 with STM32 Bluepill Microcontroller. The LR1276UA-A-915 module uses SX1276 IC and works on…

Latest Posts

A Guide to Sourcing Obsolete ICs for Vintage Projects Articles

Beyond AliExpress: A Guide to Sourcing Obsolete ICs for Vintage Projects

Mamtaz Alam6 Mins Read

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
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
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