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How To Electronics

Editor's Pick

Raspberry Pi Pico LED Push Button
Raspberry Pi Pico Projects

LED Control using Push Button with Raspberry Pi Pico

Mamtaz AlamOctober 2, 2022
Fan Speed Measurement using IR Sensor & Arduino
Arduino Projects

Fan Speed Measurement using IR Sensor & Arduino

Mamtaz AlamNovember 27, 2023
SG3525 PWM Inverter Circuit 12V to 220V, 300W, 5060 Hz
Power Electronics

SG3525 PWM Inverter Circuit 12V to 220V, 300W, 50/60 Hz

Mamtaz AlamMay 28, 2023

Latest Posts

ESP32 Fingerprint Attendance System with Live Web Dashboard

ESP32 Fingerprint Attendance System with Live Web Dashboard

Mamtaz AlamUpdated:June 21, 202610 Mins Read
IoT Based PM & Air Quality Monitoring System using ESP32

IoT Based PM & Air Quality Monitoring System using ESP32

Mamtaz AlamUpdated:June 14, 202611 Mins Read
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
High-Accuracy Pitch, Roll, Yaw with ESP32 & BNO08x IMU

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

April 27, 2026

Arduino Projects & Tutorials

Send GSM SIM800900 GPRS Data to Thingspeak with Arduino

Cellular IoT: Send SIM800/900 GPRS Data to Thingspeak with Arduino

Mamtaz AlamUpdated:August 21, 2022215 Mins Read17K

In this project we will learn about IoT using GSM Module. We will use SIM900/800…

Smart Shopping Cart with Automatic Billing System using RFID & Arduino

Smart Shopping Cart with Automatic Billing System using RFID & Arduino

October 9, 2023
TEMT6000 Light Sensor Arduino

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

August 22, 2022
DRV8825 Stepper Motor Arduino

How to Control Stepper Motor with DRV8825 Driver & Arduino

January 24, 2025
Temperature Based Fan Speed Control & Monitoring With Arduino

Temperature Based Fan Speed Controller using Arduino

December 25, 2022

IoT Projects & Tutorials

Program ESP8266 Raw Chip ESP8266 Projects

How To Program Raw ESP8266-12E/F Chip using Arduino IDE

Dolendra VikasUpdated:May 29, 20237 Mins Read9K
Bitcoin Price Tracker ESP32 IoT Projects

Bitcoin $ Price Tracker Using ESP32 & OLED Display

Mamtaz AlamUpdated:May 28, 202324 Mins Read7K
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
ECG Sensor AD8232 ESP8266 IoT Projects

IoT ECG Monitoring with AD8232 ECG Sensor & ESP8266

Mamtaz AlamUpdated:May 29, 202336 Mins Read21K

Learn Electronics

DC-to-AC Converters (Inverters)

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

May 20, 2023
Switched-Mode Power Supply SMPS

Switched Mode Power Supply: SMPS Design & Applications

May 20, 2023
L298N Dual H-Bridge Motor Driver IC

L298 Dual H-Bridge Motor Driver IC Pins, Working, Applications

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

Boost Converter: Basics, Working, Design & Application

August 4, 2023

Product Reviews

Shenzhen Huaqiu Electronics Articles

Shenzhen Huaqiu Electronics Approach for upgrading Electronics Industry

Mamtaz AlamUpdated:April 14, 20247 Mins Read

Q. Can you briefly introduce the Shenzhen Huaqiu Electronics Company? We, Huaqiu Electronics, are an…

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

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

February 2, 2025
Raspberry Pi Embedded System Development Kit for Beginners

Raspberry Pi Embedded System Development Kit for Beginners

August 18, 2023
The Best 60W Electric Soldering Iron Station

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

June 28, 2025
KAIWEETS KTI-W01 Thermal Imaging Camera In-Depth Review

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

April 1, 2025
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Don't Miss

Power Supply for NodeMCU

Power Supply for NodeMCU with Battery Charger & Boost Converter

Tilt Angle & Distance Meter

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

ESP8266 ESP32 BME680

ESP32/ESP8266 BME680 Weather Station & IAQ Monitoring on MQTT

INA226 DC Current Sensor Arduino

How to use INA226 DC Current Sensor with Arduino

Azure IoT Central ESP8266

Getting Started with Azure IoT Central using ESP8266

Solar Radiation Measurement using Pyranometer sensor & Arduino

Solar Radiation Measurement using Pyranometer Sensor & Arduino

Trending Posts
  • ESP32 Fingerprint Attendance System with Live Web Dashboard
    ESP32 Fingerprint Attendance System with Live Web Dashboard
  • IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
    IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
  • 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 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
    ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
  • How to use INA226 DC Current Sensor with Arduino
    How to use INA226 DC Current Sensor with Arduino
  • MAX30102 & Arduino: Heart Rate + Blood Oxygen Monitoring
    MAX30102 & Arduino: Heart Rate + Blood Oxygen Monitoring
  • IoT Based ECG Monitoring with AD8232 ECG Sensor & ESP32
    IoT Based ECG Monitoring with AD8232 ECG Sensor & ESP32
  • Buck Converter: Basics, Working, Design & Application
    Buck Converter: Basics, Working, Design & Application
  • Half Wave Rectifier Basics, Circuit, Working & Applications
    Half Wave Rectifier Basics, Circuit, Working & Applications

Raspberry Pi Projects

Edge Detection & Motion Sensing with OpenCV on Raspberry Pi
Raspberry Pi Projects

Edge Detection & Motion Sensing with OpenCV on Raspberry Pi

Mamtaz AlamAugust 26, 2023
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

BME280 Raspberry Pi Pico Raspberry Pi Pico Projects

Interface BME280 with Raspberry Pi Pico using MicroPython

Raspberry Pi Pico OLED Keypad Calculator Raspberry Pi Pico Projects

Simple Calculator using Keypad, OLED & Raspberry Pi Pico

Control Stepper Motor with DRV8825 Driver & Raspberry Pi Pico Raspberry Pi Pico Projects

Control Stepper Motor with DRV8825 Driver & Raspberry Pi Pico

Raspberry Pi Pico W Projects

Raspberry Pi Pico W thingspeak DHT11 Raspberry Pi Pico W Projects

Send Sensor Data to Thingspeak with Raspberry Pi Pico W

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

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
Designing of MPPT Solar Charge Controller using Arduino

Designing of MPPT Solar Charge Controller using Arduino

January 24, 2025
0-35V Variable Power Supply Using XL4015 DC-DC Converter

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

October 2, 2022

12V DC to 220V AC Inverter Circuit & PCB

February 2, 2025

555 Timer Projects

Light Dimmer Circuit using 555 Timer IC & MOSFET 555 Timer Projects

Light Dimmer Circuit using 555 Timer IC & MOSFET

Mamtaz AlamUpdated:December 2, 202433 Mins Read5K

Overview In this article, we will make Light Dimmer Circuit using 555 Timer IC &…

Water Level Alert using Float Sensor & 555 Timer

Water Level Alert using Float Sensor & 555 Timer

February 15, 2025

Voltage Doubler Circuit using 555 Timer IC

May 13, 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

LoRa/LoRaWAN Projects

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…

ESP32 Lora SX1278 ESP32 Projects

ESP32 & LoRa SX1278/76 Transmitter Receiver with OLED

Mamtaz AlamUpdated:May 26, 202336 Mins Read37K

In this tutorial, we will make Lora Transmitter & Receiver using Lora Module SX1278 & ESP32 Wifi Module. The communication type is a point to…

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…

Latest Posts

DIY Colorimeter using AS7265x Spectroscopy Sensor & ESP32 ESP32 Projects

DIY Colorimeter using AS7265x Spectroscopy Sensor & ESP32

Mamtaz AlamUpdated:February 1, 202610 Mins Read1K
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
Build IoT DC Energy Meter with ESP32 Web Dashboard

Build IoT DC Energy Meter with ESP32 Web Dashboard

September 5, 2025
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