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How To Electronics

Editor's Pick

ABP LoRaWAN Node Arduino
LoRa/LoRaWAN Projects

ABP-based LoRaWAN Node with Arduino & LoRa SX1276

Mamtaz AlamMay 28, 2023
Smart Shopping Cart with Automatic Billing System using RFID & Arduino
Arduino Projects

Smart Shopping Cart with Automatic Billing System using RFID & Arduino

Mamtaz AlamOctober 9, 2023
Shape Based Object Tracking with OpenCV on Raspberry Pi
Raspberry Pi Projects

Shape Based Object Tracking with OpenCV on Raspberry Pi

Mamtaz AlamAugust 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 Read1K
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

Digital Thermometer with Arduino & LM35 Temperature Sensor

Mamtaz AlamUpdated:February 2, 202586 Mins Read10K

Overview In this project, we interfaced LM35 Temperature Sensor with Arduino to design a digital…

14-Bit ADC Usage Guide in Arduino UNO R4 Minima

14-Bit ADC Usage Guide in Arduino UNO R4 Minima

November 28, 2024
GSM Arduino Firebase

GSM & Arduino Communication with Firebase or Thingspeak

August 20, 2022
Gas Leakage Detector GSM Arduino

Gas Leakage Detector using GSM & Arduino with SMS Alert

February 2, 2025
apr33a3 voice module Arduino

Interfacing APR33A3 Voice Record & Playback Module with Arduino

August 22, 2022

IoT Projects & Tutorials

IoT Based Patient Health Monitoring IoT Projects

IoT Based Patient Health Monitoring on ESP32 Web Server

Mamtaz AlamUpdated:May 29, 2023527 Mins Read42K
LoRa Weather Station Arduino Projects

LoRa Based Wireless Weather Station with Arduino & ESP32

Mamtaz AlamUpdated:August 3, 2023159 Mins Read14K
Setting up LPS8N LoRaWAN Gateway with The Things Network LoRa/LoRaWAN Projects

Setting up LPS8N LoRaWAN Gateway with The Things Network

Mamtaz AlamUpdated:March 2, 20239 Mins Read2K
ESP32 LoRa Web Server IoT Projects

ESP32 LoRa Sensor Data Monitoring on Web Server

Mamtaz AlamUpdated:November 27, 20237 Mins Read7K

Learn Electronics

555 Timer IC Working

555 Timer IC – Features, Pinout, Working, Circuit, Operating Modes

January 24, 2025
Dc-to-DC Step Down Buck Converter

Buck Converter: Basics, Working, Design & Application

August 4, 2023
LM386 Audio Amplifier

LM386 Audio Amplifier IC Pins, Working, Circuit & Applications

May 20, 2023
Switched-Mode Power Supply SMPS

Switched Mode Power Supply: SMPS Design & Applications

May 20, 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…

Raspberry Pi Embedded System Development Kit for Beginners

Raspberry Pi Embedded System Development Kit for Beginners

August 18, 2023
Mars Rover Robot Replica using ESP32 CAM & Arduino

Mars Rover Robot Replica using ESP32 CAM & Arduino

February 2, 2025
Rust Arduino

How to Run Rust on Arduino UNO

May 20, 2023
Shenzhen Huaqiu Electronics

Shenzhen Huaqiu Electronics Approach for upgrading Electronics Industry

April 14, 2024
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Don't Miss

Why DIY IoT Prototype Fails at Scale Hidden Component‑Sourcing Trap

Why DIY IoT Prototype Fails at Scale: Hidden Component‑Sourcing Trap

Face & Eyes Detection with OpenCV Raspberry Pi Camera

Face & Eyes Detection with OpenCV Raspberry Pi Camera

DIY LiPo Battery Charger with IoT Voltage & SoC Monitoring System

IoT Battery Monitoring System with DIY LiPo Charger

DC-to-AC Converters (Inverters)

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

BH1750 Ambient Light Sensor Arduino

Light (Lux) Meter using BH1750 Ambient Light Sensor & Arduino

IOT Biometric Fingerprint Attendance

IoT Biometric Fingerprint Attendance System using ESP8266

Trending Posts
  • 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
  • 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
  • Designing of MPPT Solar Charge Controller using Arduino
    Designing of MPPT Solar Charge Controller using Arduino
  • DIY IoT Water pH Meter using pH Sensor & ESP32
    DIY IoT Water pH Meter using pH Sensor & ESP32
  • IoT Based PM & Air Quality Monitoring System using ESP32
    IoT Based PM & Air Quality Monitoring System using ESP32
  • How to use INA226 DC Current Sensor with Arduino
    How to use INA226 DC Current Sensor with Arduino
  • 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

Raspberry Pi Projects

App Controlled Robot using Raspberry Pi
Raspberry Pi Projects

App Controlled Robot using Raspberry Pi with AI Features

Mamtaz AlamNovember 1, 2022
Getting Started & Setting up Raspberry Pi 4 Model B
Raspberry Pi Projects

Getting Started & Setting up Raspberry Pi 4 Model B

Mamtaz AlamDecember 20, 2022

Raspberry Pi Pico Projects

Capacitive Soil Moisture Sensor Raspberry Pi Pico Raspberry Pi Pico Projects

Capacitive Soil Moisture Sensor with Raspberry Pi Pico

DIY SmartPhone Oscilloscope using Raspberry Pi Pico Raspberry Pi Pico Projects

DIY SmartPhone Oscilloscope using Raspberry Pi Pico

MPU6050 Gyroscope Accelerometer Raspberry Pi Pico MicroPython Raspberry Pi Pico Projects

Interfacing MPU6050 with Raspberry Pi Pico & MicroPython

Raspberry Pi Pico W Projects

IoT Controlled Relay using Raspberry Pi Pico W WiFi Raspberry Pi Pico W Projects

IoT Controlled Relay using Raspberry Pi Pico W WiFi

Pi Pico W Web Server MicroPython Raspberry Pi Pico W Projects

Raspberry Pi Pico W Web Server Tutorial with MicroPython

Raspberry Pi Pico W thingspeak DHT11 Raspberry Pi Pico W Projects

Send Sensor Data to Thingspeak with Raspberry Pi Pico W

Power Electronics

DIY 5V 3A USB Charger for Car or Solar Panel Power Electronics

DIY 5V 3A USB Charger for Car or Solar Panel (4-30V Input)

Mamtaz Alam4 Mins Read6K
Power Supply for ESP32 Board

Power Supply for ESP32 with Battery Charger & Boost Converter

September 12, 2023
Voltage Doubler Simulation

12V to 24V Voltage Doubler Circuit

April 28, 2023
Transformerless Power Supply

Transformerless Power Supply – 220V AC to 9V DC

May 29, 2023

555 Timer Projects

Negative Voltage Generator Circuit using 555 Timer IC 555 Timer Projects

Negative Voltage Generator Circuit using 555 Timer IC

Mamtaz AlamUpdated:May 28, 20233 Mins Read3K

Overview In this guide, we will design Negative Voltage Generator Circuit using a 555 Timer…

Laser Security System using 555 Timer IC & LDR

Laser Security System using 555 Timer IC & LDR

May 13, 2023
Project for Girlfriend - Heart Shaped Serial LED Flasher Circuit using 555 Timer

Heart Shaped LED Flasher Circuit using 555 Timer

June 25, 2023
Dark Activated Automatic Evening Lamp LDR 555

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

October 2, 2022
LED Blinking Circuit using 555 Timer

Automatic LED Blinking Circuit using 555 Timer IC – LED Flasher

February 14, 2025

LoRa/LoRaWAN Projects

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…

LoRa Based Low Power GPS Tracker with Arduino & ESP8266 LoRa/LoRaWAN Projects

LoRa Based Low Power GPS Tracker with Arduino & ESP8266

Mamtaz AlamUpdated:November 11, 2024214 Mins Read16K

Overview In this project, we will build a LoRa Based Low Power GPS Tracker using Arduino & ESP8266. This is a special kind of GPS…

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…

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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