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How To Electronics

Editor's Pick

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
Rain Detection using Raindrop Sensor Module & Arduino
Arduino Projects

Rain Detection using Raindrop Sensor Module & Arduino

Mamtaz AlamFebruary 2, 2025
Arduino DS3231 Based Real Time Clock
Arduino Projects

Arduino DS3231 Real Time Clock with Alarm & Temperature

Mamtaz AlamAugust 22, 2022

Latest Posts

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

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

RYLR890 Arduino

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…

DC Voltmeter using Arduino and Seven Segment Display. This time we will be interfacing Arduino with 7 segment display and MA7219 IC to measure voltage ranging from 0-50V with almost no error at all. This DC voltmeter is linear with voltage and shows a linear characteristics from 0.01 Volt to 50 Volt.

0-50V DC Voltmeter using Arduino & Seven Segement Display

August 22, 2022
Mecanum Wheel Robot using Arduino & ESP32 CAM

Mecanum Wheel Robot using Arduino & ESP32 CAM

June 15, 2023
Range Finder using Ultrasonic Sensor & Arduino with OLED Display

Arduino Ultrasonic Range Finder with HC-SR04 on OLED Display

July 26, 2023
Top 15 Latest Sensor Projects for Arduino Beginners

Top 15 Latest Sensor Projects for Arduino Beginners

August 3, 2023

IoT Projects & Tutorials

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
Control LED on Inernet using Arduino & ENC28J60 IoT Projects

Control LED on Inernet using Arduino & ENC28J60 Ethernet Module

Mamtaz AlamUpdated:August 22, 202253 Mins Read3K
Interfacing LM35 Temperature Sensor with ESP32 Web Server IoT Projects

Interfacing LM35 Temperature Sensor with ESP32 Web Server

Mamtaz AlamUpdated:February 2, 202537 Mins Read7K
ESP32 LoRa Thingspeak Gateway Sensor Node IoT Projects

ESP32 LoRa Thingspeak Gateway with LoRa Sensor Node

Mamtaz AlamUpdated:August 21, 202224 Mins Read6K

Learn Electronics

DC-to-AC Converters (Inverters)

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

May 20, 2023
Silicon Controlled Rectifier (SCR) Construction & Working

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

December 2, 2024
Switched-Mode Power Supply SMPS

Switched Mode Power Supply: SMPS Design & Applications

May 20, 2023
555 Timer IC Working

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

January 24, 2025

Product Reviews

Lucid ONE - AI Planning 7 DOF Robotic Arm from AmberRobotics Product Review

Lucid ONE: AI Planning 7-DOF Robotic Arm Review

Mamtaz AlamUpdated:May 21, 20234 Mins Read

Overview Amber Robotics is at the forefront of a new era in intuitive control and…

Best 7 inch Raspberry Pi Touch Screen Display - SunFounder TS-7 Pro

Best 7 inch Raspberry Pi Touch Screen Display – SunFounder TS-7 Pro

August 1, 2023
RYS8830 GPS GNSS

Reyax RYS8830 GPS/GNSS Receiver Module Complete Guide

May 20, 2023
DWIN HMI TFT LCD Display

Getting started with DWIN HMI TFT LCD Display

February 27, 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

Fingerprint Sensor Biometric Attendance System

Fingerprint Biometric Attendance System using Arduino

Brushless DC Motor Driver Circuit

(BLDC) Brushless DC Motor Driver Circuit using 555 IC

BME280 Raspberry Pi Pico

Interface BME280 with Raspberry Pi Pico using MicroPython

Sending Ra-07 LoRaWAN Node Data to The Things Network Server

Speed-Run Translations: Making Fast-Moving Meme Videos Accessible Worldwide

LD2410 Sensor with ESP32 - Human Presence Detection

LD2410 Sensor with ESP32 – Human Presence Detection

Trending Posts
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    Buck Converter: Basics, Working, Design & Application
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    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 INA226 DC Current Sensor with Arduino
    How to use INA226 DC Current Sensor with Arduino
  • ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
    ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
  • DIY Turbidity Meter using Turbidity Sensor & Arduino
    DIY Turbidity Meter using Turbidity Sensor & Arduino
  • LD2410 Sensor with ESP32 - Human Presence Detection
    LD2410 Sensor with ESP32 - Human Presence Detection
  • ECG Graph Monitoring with AD8232 ECG Sensor & Arduino
    ECG Graph Monitoring with AD8232 ECG Sensor & Arduino
  • How to use INA219 DC Current Sensor Module with Arduino
    How to use INA219 DC Current Sensor Module with Arduino
  • ESP32 Fingerprint Attendance System with Live Web Dashboard
    ESP32 Fingerprint Attendance System with Live Web Dashboard

Raspberry Pi Projects

Age & Gender Classification with OpenCV on Raspberry Pi
Raspberry Pi Projects

Age & Gender Classification with OpenCV & Deep Learning on Raspberry Pi

Mamtaz AlamSeptember 6, 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

Raspberry Pi Pico Kit Raspberry Pi Pico Projects

Raspberry Pi Pico Primer Kit for Beginners & Students – 10 Projects

DC Motor Fan Speed Controller with Raspberry Pi Pico Raspberry Pi Pico Projects

DC Motor/Fan Speed Controller with Raspberry Pi Pico

LCD Display Raspberry Pi Pico Raspberry Pi Pico Projects

Interfacing 16×2 LCD Display with Raspberry Pi Pico

Raspberry Pi Pico W Projects

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 OpenWeatherMap Raspberry Pi Pico W Projects

Raspberry Pi Pico W IoT Weather Station – OpenWeatherMap

BME280 Raspberry Pi Pico W Web Server Weather Station Raspberry Pi Pico W Projects

BME280 & Raspberry Pi Pico W Web Server Weather Station

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
3.7V to 9V Boost Converter

DIY 3.7V to 9V Boost Converter Circuit using MC34063

May 29, 2023
Designing of MPPT Solar Charge Controller using Arduino

Designing of MPPT Solar Charge Controller using Arduino

January 24, 2025

12V DC to 220V AC Inverter Circuit & PCB

February 2, 2025

555 Timer Projects

Gas Leak Detection & Alarm using 555 Timer IC 555 Timer Projects

Gas Leak Detection & Alarm using 555 Timer IC

Mamtaz AlamUpdated:February 2, 202524 Mins Read5K

Overview In this project, we will build a Gas Leak Detection & Alarm System using…

Servo Motor Controller & Tester Circuit using 555 Timer IC

Servo Motor Controller & Tester Circuit using 555 Timer IC

October 8, 2023
Laser Security System using 555 Timer IC & LDR

Laser Security System using 555 Timer IC & LDR

May 13, 2023
PWM Lamp Dimmer Circuit using IC 555 Timer

Simple PWM Lamp Dimmer Circuit using IC 555 Timer

August 10, 2023
Automatic Street Light using 555 Timer Circuit

Automatic Street Light using 555 Timer Circuit & LDR

October 2, 2022

LoRa/LoRaWAN Projects

LoRa SX1278 ESP8266 ESP8266 Projects

ESP8266 & LoRa SX1278 Transmitter Receiver with DHT11

Mamtaz AlamUpdated:May 26, 2023205 Mins Read30K

In this tutorial, we will make Lora Transmitter & Receiver using Lora Module SX1278 & NodeMCU ESP8266 Wifi Module. The communication type is a point…

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
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

The Future of Video Production: Adding Emotion with AI Voice Generators

August 26, 2025
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