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How To Electronics

Editor's Pick

BME280 Arduino
Arduino Projects

BME280 & Arduino Based Simple Weather Station

Mamtaz AlamNovember 30, 2022
Power Supply for NodeMCU
ESP8266 Projects

Power Supply for NodeMCU with Battery Charger & Boost Converter

Mamtaz AlamOctober 2, 2022
ECG Sensor AD8232 ESP8266
IoT Projects

IoT ECG Monitoring with AD8232 ECG Sensor & ESP8266

Mamtaz AlamMay 29, 2023

Latest Posts

Buck Converter vs Boost Converter

Buck Converter vs Boost Converter: Working, Differences & Applications

Mamtaz Alam12 Mins Read
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

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
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

Arduino Projects & Tutorials

Interfacing BMI160 Accelerometer & Gyroscope with Arduino

Interfacing BMI160 Accelerometer & Gyroscope with Arduino

Mamtaz AlamUpdated:February 2, 20259 Mins Read9K

Overview In this tutorial, we will be Interfacing the BMI160 Accelerometer & Gyroscope with Arduino…

MCP4725 12-Bit Digital-to-Analog Converter with Arduino

How to use MCP4725 12-Bit DAC Module with Arduino

October 3, 2023
TEMT6000 Light Sensor Arduino

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

August 22, 2022
Arduino MCP2515 CAN Bus Module

Arduino CAN Bus Tutorial | Interfacing MCP2515 CAN Module with Arduino

August 12, 2024
Blind Walking Stick Using Arduino & Ultrasonic Sensor HC-SR04

Blind Walking Stick Using Arduino & Ultrasonic Sensor HC-SR04

August 22, 2022

IoT Projects & Tutorials

SIM7600 HTTP Post Arduino Arduino Projects

HTTP Post with SIM7600 & Arduino | Send Data to Server

Mamtaz AlamUpdated:August 20, 202245 Mins Read13K
ESP32 Projects

Interfacing 5MP SPI Camera with ESP32 WiFi Module

Mamtaz AlamUpdated:July 26, 20235 Mins Read9K
DIY Pedometer with ESP32 & BMI160 - Steps Counter ESP32 Projects

DIY Pedometer with ESP32 & BMI160 – Steps Counter

Mamtaz AlamUpdated:April 25, 202627 Mins Read3K
Decibelmeter ESP8266 IoT Projects

IoT Decibelmeter with Sound Sensor & ESP8266

Mamtaz AlamUpdated:July 10, 202385 Mins Read11K

Learn Electronics

Switched-Mode Power Supply SMPS

Switched Mode Power Supply: SMPS Design & Applications

May 20, 2023
Dc-to-DC Step Down Buck Converter

Buck Converter: Basics, Working, Design & Application

August 4, 2023
Half Wave Rectifier

Half Wave Rectifier Basics, Circuit, Working & Applications

August 4, 2023
L293D Motor Driver IC

L293D Dual H-Bridge Motor Driver IC Pins, Circuit, Working

May 20, 2023

Product Reviews

Getting Started with Nuvoton NuMaker UNO NUC131 Microcontroller Product Review

Getting Started with Nuvoton NuMaker UNO NUC131 Microcontroller

Mamtaz AlamUpdated:July 9, 20238 Mins Read

Overview This is the Getting Started guide with NuMaker UNO Board from the Nuvoton NuMicro…

2.4GHz Spectrum Analyzer

How to use 2.4GHz Portable Spectrum Analyzer USB Dongle

February 1, 2026
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
Build a DIY Customized Mini PC using Raspberry Pi 4

Build a DIY Customized Mini PC using Raspberry Pi 4

January 8, 2024
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Don't Miss

Shift Register 74HC595 with Raspberry Pi Pico & MicroPython

Shift Register 74HC595 with Raspberry Pi Pico & MicroPython

Stream Videos From Your Mobile to TV

How to Stream Videos From Your Mobile to TV Screen

IoT Applications for Enhanced Living & Working Environments

IoT Applications for Enhanced Living & Working Environments

MAX30100 ESP32

Monitor SpO2/BPM with ESP32 & MAX30100 Pulse Oximeter on Blynk

AC Dimmer Bluetooth Arduino

Wireless AC Light Dimmer with Bluetooth & Arduino

ESP32 LoRa Web Server

ESP32 LoRa Sensor Data Monitoring on Web Server

Trending Posts
  • IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
    IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
  • 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
  • Designing of MPPT Solar Charge Controller using Arduino
    Designing of MPPT Solar Charge Controller using Arduino
  • How to use Modbus RTU with ESP32 to read Sensor Data
    How to use Modbus RTU with ESP32 to read Sensor Data
  • How to use ADS1115 16-Bit ADC Module with Arduino
    How to use ADS1115 16-Bit ADC Module with Arduino
  • ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
    ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
  • ECG Graph Monitoring with AD8232 ECG Sensor & Arduino
    ECG Graph Monitoring with AD8232 ECG Sensor & Arduino
  • Pulse Rate (BPM) Monitor using Arduino & Pulse Sensor
    Pulse Rate (BPM) Monitor using Arduino & Pulse Sensor
  • How to use INA226 DC Current Sensor with Arduino
    How to use INA226 DC Current Sensor with Arduino

Raspberry Pi Projects

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
Obstacle Avoidance Robot using Raspberry Pi
Raspberry Pi Projects

Obstacle Avoidance Robot using Raspberry Pi 4 & HC-SR04

Mamtaz AlamOctober 30, 2022

Raspberry Pi Pico Projects

raspberry pi pico getting started Raspberry Pi Pico Projects

Raspberry Pi Pico Getting Started Tutorial with MicroPython

Interfacing ADXL345 Accelerometer with Raspberry Pi Pico Raspberry Pi Pico Projects

Interfacing ADXL345 Accelerometer with Raspberry Pi Pico

TM1637 Raspberry Pi Pico Raspberry Pi

Using 7-Segment Display TM1637 with 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

Getting Started with Raspberry Pi Pico W using MicroPython Raspberry Pi Pico W Projects

Getting Started with Raspberry Pi Pico W using MicroPython

Home Automation using Raspberry Pi Pico W & Blynk 2.0 Raspberry Pi Pico W Projects

Home Automation using Raspberry Pi Pico W & Blynk 2.0

Power Electronics

DC-DC Converter using 555 Timer IC Electronics Circuits

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

Mamtaz AlamUpdated:October 2, 202243 Mins Read8K
Power Supply for ESP32 Board

Power Supply for ESP32 with Battery Charger & Boost Converter

September 12, 2023
Designing of MPPT Solar Charge Controller using Arduino

Designing of MPPT Solar Charge Controller using Arduino

January 24, 2025
Voltage Doubler Simulation

12V to 24V Voltage Doubler Circuit

April 28, 2023

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 &…

Servo Motor Controller & Tester Circuit using 555 Timer IC

Servo Motor Controller & Tester Circuit using 555 Timer IC

October 8, 2023
PWM Based DC Motor Speed Control using 555 Timer

PWM Based DC Motor Speed Control using 555 Timer

August 10, 2023
Flashing Police Light LED Effect using 555 Timer

Flashing Police Light LED Effect using 555 Timer

June 25, 2023
LED Blinking Circuit using 555 Timer

Automatic LED Blinking Circuit using 555 Timer IC – LED Flasher

February 14, 2025

LoRa/LoRaWAN Projects

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…

DIY LoRa-Enabled IoT Geo-Fencing using GPS, Arduino & ESP8266 LoRa/LoRaWAN Projects

LoRa-Enabled IoT Geo-Fencing using GPS, Arduino & ESP8266

Mamtaz AlamUpdated:November 11, 2024615 Mins Read6K

Overview This project is about making a DIY LoRa-Enabled IoT Geo-Fencing using GPS Module, Arduino & ESP8266. In today’s connected world, knowing an object’s location…

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…

Latest Posts

Building a Smart Sensor Node with a BLE Microcontroller BLE Projects

Building a Smart Sensor Node with a BLE Microcontroller

Mamtaz Alam4 Mins Read
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
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
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