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How To Electronics

Editor's Pick

TEMT6000 Light Sensor Arduino
Arduino Projects

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

Mamtaz AlamAugust 22, 2022
GPS Vehicle Tracking System Arduino
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GPS+GSM Based Vehicle Tracking System using Arduino

Mamtaz AlamJune 19, 2023
Rainfall Detector Alarm using 555 Timer & Rain Sensor
555 Timer Projects

Rainfall Detector Alarm using 555 Timer & Rain Sensor

Mamtaz AlamFebruary 2, 2025

Latest Posts

IoT Based PM & Air Quality Monitoring System using ESP32

IoT Based PM & Air Quality Monitoring System using ESP32

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DIY ESP32 MLX90640 IR Thermal Camera with Live Web Display

DIY ESP32 MLX90640 IR Thermal Camera with Live Web Display

Mamtaz AlamUpdated:May 10, 202611 Mins Read1K
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
DIY Colorimeter using AS7265x Spectroscopy Sensor & ESP32

DIY Colorimeter using AS7265x Spectroscopy Sensor & ESP32

February 1, 2026

Arduino Projects & Tutorials

RS-485 Simplex Communication with Arduino & MAX485

RS-485 Simplex Communication with Arduino & MAX485

Mamtaz AlamUpdated:February 2, 202518 Mins Read15K

Overview In this tutorial, we will learn how to use Simplex RS-485 communication in Arduino…

Designing of MPPT Solar Charge Controller using Arduino

Designing of MPPT Solar Charge Controller using Arduino

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apr33a3 voice module Arduino

Interfacing APR33A3 Voice Record & Playback Module with Arduino

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Stopwatch 7 Segment Arduino

Stopwatch Using 4 Digit 7 Segment Display & Arduino

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40KG Load Cell Arduino

Weighing Scale with 40KG Load Cell HX711 & Arduino

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IoT Projects & Tutorials

C1001 60 GHz mmWave Sensor with ESP32 ESP32 Projects

C1001 60 GHz mmWave Sensor with ESP32 for Sleep, Fall, Life Detection

Mamtaz Alam12 Mins Read8K
CCS811 ESP8266 ESP32 IoT Projects

Monitor CCS811 CO2 & TVOC on ESP8266/ESP32 Webserver

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Google Firebase LED ESP8266 IoT Projects

IoT Based LED Control using Google Firebase & ESP8266

Mamtaz AlamUpdated:August 21, 202246 Mins Read11K
Highly Accurate Decibel Meter ESP32 ESP32 Projects

Make an Accurate ESP32 Decibel Meter (SPL) with Data Logger

Mamtaz AlamUpdated:December 4, 202418 Mins Read15K

Learn Electronics

Full Wave Bridge Rectifier

Full Wave Rectifier Basics, Circuit, Working & Applications

August 4, 2023
Dc-to-DC Step Down Buck Converter

Buck Converter: Basics, Working, Design & Application

August 4, 2023
DC-to-DC Step Up Boost Converter

Boost Converter: Basics, Working, Design & Application

August 4, 2023
Linear Voltage Regulator

Linear Voltage Regulator – Circuit, Types & Applications

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…

PlayStation 5 vs Xbox Series X Compared

PlayStation 5 vs Xbox Series X Compared

October 14, 2023
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
MyArm 300 PI 2023 - Portable 7-Axis Robotic Arm Review

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

February 2, 2025
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Don't Miss

SX1272 Based LoRa USB Dongle Gateway 868/915MHz

SX1272 Based LoRa USB Dongle Gateway 868/915MHz

Raspberry Pi Pico W thingspeak DHT11

Send Sensor Data to Thingspeak with Raspberry Pi Pico W

Soil Moisture Sensor Nodemcu

Monitor Soil Moisture Sensor Data with Nodemcu on Thingspeak

Home Automation using ESP32 & Blynk 2.0 with Real-Time Feedback

Home Automation using ESP32 & Blynk 2.0 with Real-Time Feedback

Building a Raspberry Pi Pico W & LM35 Web Server

Building a Raspberry Pi Pico W & LM35 Web Server

Shape Based Object Tracking with OpenCV on Raspberry Pi

Shape Based Object Tracking with OpenCV on Raspberry Pi

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Raspberry Pi Projects

Fever Detector with MLX90640 & OpenCV Raspberry Pi
Raspberry Pi Projects

Thermal Fever Detector with MLX90640 & OpenCV Raspberry Pi

Mamtaz AlamFebruary 2, 2025
HMC5883L Magnetometer with Raspberry Pi
Raspberry Pi Projects

Interfacing HMC5883L Magnetometer with Raspberry Pi

Mamtaz AlamAugust 19, 2023

Raspberry Pi Pico Projects

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

DC Motor/Fan Speed Controller with Raspberry Pi Pico

LM35 Temperature Sensor with Raspberry Pi Pico MicroPython Raspberry Pi Pico Projects

LM35 Temperature Sensor with Raspberry Pi Pico MicroPython

Raspberry Pi Pico Projects

Billboard Scrolling with LCD Display & Raspberry Pi Pico

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

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IoT LED Control using Blynk 2.0 & Raspberry Pi Pico W

Raspberry Pi Pico W OpenWeatherMap Raspberry Pi Pico W Projects

Raspberry Pi Pico W IoT Weather Station – OpenWeatherMap

Power Electronics

SG3525 PWM Inverter Circuit 12V to 220V, 300W, 5060 Hz Power Electronics

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

Mamtaz AlamUpdated:May 28, 202318 Mins Read28K
Boost Converter 3.7V to 5V

DIY 3.7V to 5V Boost Converter for Lithium-Ion Battery

October 2, 2022
DC-DC Converter using 555 Timer IC

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

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Transformerless Power Supply

Transformerless Power Supply – 220V AC to 9V DC

May 29, 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 &…

Dark/Light Detector using 555 Timer

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

February 2, 2025
Project for Girlfriend - Heart Shaped Serial LED Flasher Circuit using 555 Timer

Heart Shaped LED Flasher Circuit using 555 Timer

June 25, 2023
PWM Lamp Dimmer Circuit using IC 555 Timer

Simple PWM Lamp Dimmer Circuit using IC 555 Timer

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Gas Leak Detection & Alarm using 555 Timer IC

Gas Leak Detection & Alarm using 555 Timer IC

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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…

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

Overview This article provides a guide on how to set up the Dragino LPS8N open-source LoRaWAN Indoor Gateway with The Things Network Server (TTN Server).…

LoRaWAN Temperature Humidity Soil Moisture Sensor Data on TTN & Thingspeak LoRa/LoRaWAN Projects

Smart Soil Moisture Monitoring with LoRaWAN on TTN Server

Mamtaz AlamUpdated:March 12, 202316 Mins Read3K

Overview In this article, we will discuss the Smart Temperature/Humidity/Soil Moisture Monitoring Device with LoRaWAN on TTN (The Things Network) Server. It is an innovative…

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Flight Black-Box Motion Recorder using ESP32 & BMI160 ESP32 Projects

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Humidity & Temperature Monitoring using DHT11 & NodeMCU on ThingSpeak

ESP8266 & DHT11 Humidity Temperature Monitor on ThingSpeak

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IoT based Battery SoC (%) Monitoring System with ESP32

IoT based Battery SoC (%) Monitoring System with ESP32

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

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DIY ESP32 Board for Battery Powered IoT Applications

DIY ESP32 Board for Battery Powered IoT Applications

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Build IoT DC Energy Meter with ESP32 Web Dashboard

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

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