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How To Electronics

Editor's Pick

MAX30100 Pulse Oximeter Arduino
Arduino Projects

Blood Oxygen & Heart Rate Monitor with MAX30100 & Arduino

Mamtaz AlamFebruary 9, 2024
Silicon Controlled Rectifier (SCR) Construction & Working
Learn Electronics

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

Basanta SubediDecember 2, 2024
Pulse Rate Monitoring over Internet using ThingSpeak
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IoT BPM Monitoring on ThingSpeak using ESP8266 & Pulse Sensor

Mamtaz AlamAugust 22, 2022

Latest Posts

ESP32 Patient Health Monitor (ECG, SpO₂, BPM) & Live Dashboard

ESP32 Patient Health Monitor (ECG, SpO₂, BPM) & Live Dashboard

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Buck Converter vs Boost Converter: Working, Differences & Applications

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ESP32 Fingerprint Voting Machine with Live Web Dashboard

ESP32 Fingerprint Voting Machine with Live Web Dashboard

July 12, 2026
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

Arduino Projects & Tutorials

Caller ID Display Bikers Bluetooth

Wireless Caller ID Display for Bikers using Bluetooth & Arduino

Mamtaz AlamUpdated:September 16, 202223 Mins Read1K

Wireless Caller ID Display for Bikers using Bluetooth & Arduino We present to you the…

TEMT6000 Light Sensor Arduino

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

August 22, 2022
Gas Leakage Detector GSM Arduino

Gas Leakage Detector using GSM & Arduino with SMS Alert

February 2, 2025
Arduino RADAR Model using Ultrasonic Sensor

Arduino RADAR Model using Ultrasonic Sensor for Detection & Ranging

August 22, 2022
How to use IR Sensor Module with Arduino

How to use IR Sensor Module with Arduino – Simple Guide

February 2, 2025

IoT Projects & Tutorials

ESP32 OLED DisplayMicroPython ESP32 MicroPython

MicroPython: Interfacing 0.96″ OLED Display with ESP32

Mamtaz AlamUpdated:May 26, 20234 Mins Read4K
BH1750 ESP8266 IoT Projects

IoT ESP8266 Lux Meter using BH1750 Light Sensor & Blynk

Mamtaz AlamUpdated:August 21, 20234 Mins Read2K
IoT Based Patient Health Monitoring System using ESP8266 & Arduino IoT Projects

IoT Patient Health Monitoring with ESP8266 & Arduino

Mamtaz AlamUpdated:February 2, 202516 Mins Read56K
DIY Pedometer with ESP32 & BMI160 - Steps Counter ESP32 Projects

DIY Pedometer with ESP32 & BMI160 – Steps Counter

Mamtaz AlamUpdated:April 25, 202627 Mins Read3K

Learn Electronics

AC to DC Converters

AC to DC Converters: Features, 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
Linear Voltage Regulator

Linear Voltage Regulator – Circuit, Types & Applications

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

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

December 2, 2024

Product Reviews

2.4GHz Spectrum Analyzer Articles

How to use 2.4GHz Portable Spectrum Analyzer USB Dongle

Mamtaz AlamUpdated:February 1, 20266 Mins Read3K

Overview In this guide, we will learn about the 2.4GHz Portable Spectrum Analyzer USB Dongle…

Build a DIY Customized Mini PC using Raspberry Pi 4

Build a DIY Customized Mini PC using Raspberry Pi 4

January 8, 2024
PlayStation 5 vs Xbox Series X Compared

PlayStation 5 vs Xbox Series X Compared

October 14, 2023
Rust Arduino

How to Run Rust on Arduino UNO

May 20, 2023
RYS8830 GPS GNSS

Reyax RYS8830 GPS/GNSS Receiver Module Complete Guide

May 20, 2023
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Don't Miss

Line Follower Tracking Robot using Raspberry Pi 4

Line Follower/Tracking Robot using Raspberry Pi 4

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DIY AI Camera with Google Vision & ESP32 CAM Module

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How to send ESP32 CAM Captured Image to Google Drive

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Raspberry Pi Projects

App Controlled Robot using Raspberry Pi
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App Controlled Robot using Raspberry Pi with AI Features

Mamtaz AlamNovember 1, 2022
Best 7 inch Raspberry Pi Touch Screen Display - SunFounder TS-7 Pro
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Mamtaz AlamAugust 1, 2023

Raspberry Pi Pico Projects

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

Control Stepper Motor with DRV8825 Driver & Raspberry Pi Pico

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DC Motor/Fan Speed Controller with Raspberry Pi Pico

Data Logger SD Card Raspberry Pi Pico MicroPython Raspberry Pi Pico Projects

Data Logger with SD Card & Raspberry Pi Pico MicroPython

Raspberry Pi Pico W Projects

Pi Pico W Web Server MicroPython Raspberry Pi Pico W Projects

Raspberry Pi Pico W Web Server Tutorial with MicroPython

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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BME280 & Raspberry Pi Pico W Web Server Weather Station

Power Electronics

Lithium Ion Battery Charger Circuit Electronics Circuits

Lithium-Ion Battery Charger Circuit using MCP73831

Mamtaz AlamUpdated:September 12, 202335 Mins Read12K
Voltage Doubler Simulation

12V to 24V Voltage Doubler Circuit

April 28, 2023
3.7V to 9V Boost Converter

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May 29, 2023

12V DC to 220V AC Inverter Circuit & PCB

February 2, 2025

555 Timer Projects

Automatic Street Light using 555 Timer Circuit 555 Timer Projects

Automatic Street Light using 555 Timer Circuit & LDR

Mamtaz AlamUpdated:October 2, 202243 Mins Read7K

Automatic Street Light using 555 Timer This Electronics Mini Project includes Automatic Street Light using…

DIY LED Chaser Circuit using 555 Timer IC & CD4017

LED Chaser Circuit using 555 Timer IC & CD4017

May 28, 2023
Fire Alarm 555 Circuit

Fire Alarm Circuit Using IC 555 Timer & Thermistor

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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

LoRa/LoRaWAN Projects

IoT Projects

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

Mamtaz AlamUpdated:August 20, 202227 Mins Read3K

Overview In this project, we will take a look at a Ra-07 LoRaWAN Node from Makerfabs & send some sensor data to The Things Network…

LoRa Weather Station Arduino Projects

LoRa Based Wireless Weather Station with Arduino & ESP32

Mamtaz AlamUpdated:August 3, 2023159 Mins Read14K

Overview: LoRa Based Wireless Weather Station In this project, we will learn how to make LoRa Based Wireless Weather Station using Arduino Pro Mini &…

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…

Latest Posts

ESP32 Projects

ESP32 IoT Vehicle Motion Analyzer with MPU6050 & LIS3MDL

Mamtaz AlamUpdated:April 27, 202612 Mins Read1K
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
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
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