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How To Electronics

Editor's Pick

MAX30100 Pulse Oximeter Sensor Arduino
Arduino Projects

Interfacing MAX30100 Pulse Oximeter Sensor with Arduino

Mamtaz AlamFebruary 9, 2024
ESP32 with BMI160 Accelerometer & Gyroscope Sensor
ESP32 Projects

ESP32 with BMI160 Accelerometer & Gyroscope Sensor

Mamtaz AlamApril 25, 2026
Reed Switch use Raspberry Pi Pico
Raspberry Pi Pico Projects

How to use Reed Switch with Raspberry Pi Pico

Mamtaz AlamNovember 4, 2022

Latest Posts

ESP32 Fingerprint Attendance System with Live Web Dashboard

ESP32 Fingerprint Attendance System with Live Web Dashboard

Mamtaz AlamUpdated:July 5, 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

RS485 Modbus RTU protocol with Arduino

How to use Modbus RTU with Arduino to read Sensor Data

Mamtaz AlamUpdated:February 2, 202511 Mins Read13K

Overview In this tutorial, we will explore the Modbus RTU protocol and learn how to…

Arduino DS3231 Based Real Time Clock

Arduino DS3231 Real Time Clock with Alarm & Temperature

August 22, 2022
Interfacing BMI160 Accelerometer & Gyroscope with Arduino

Interfacing BMI160 Accelerometer & Gyroscope with Arduino

February 2, 2025
How to interface & set up XBee Module with Arduino for Zigbee Communication

How to set up & interface XBee Module with Arduino (Tx & Rx)

February 2, 2025
INA226 DC Current Sensor Arduino

How to use INA226 DC Current Sensor with Arduino

November 11, 2024

IoT Projects & Tutorials

Home Automation Arduino IoT Cloud ESP32 IoT Projects

Home Automation with Arduino IoT Cloud using ESP32

Mamtaz AlamUpdated:February 5, 202416 Mins Read15K
esp8266 nrf24l01 IoT Projects

ESP8266 NRF24L01 Wifi Gateway with Arduino NRF24L01 Node

Mamtaz AlamUpdated:May 29, 2023188 Mins Read16K
ESP8266 SHT31 IoT Projects

ESP8266 SHT31 Humidity Temperature Monitoring on Thingspeak

Mamtaz AlamUpdated:August 21, 202214 Mins Read2K
ESP32 Projects

Getting Started with ESP32 DW1000 UWB (Ultra Wideband) Module

Mamtaz AlamUpdated:January 4, 2024710 Mins Read28K

Learn Electronics

LM386 Audio Amplifier

LM386 Audio Amplifier IC Pins, Working, Circuit & Applications

May 20, 2023
DC-to-AC Converters (Inverters)

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

May 20, 2023
Cycloconverters Design, Working, Types & Applications

Cycloconverters: Design, Working, Types & Applications

May 20, 2023
DC-to-DC Step Up Boost Converter

Boost Converter: Basics, Working, Design & Application

August 4, 2023

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…

Raspberry Pi Embedded System Development Kit for Beginners

Raspberry Pi Embedded System Development Kit for Beginners

August 18, 2023
2.4GHz Spectrum Analyzer

How to use 2.4GHz Portable Spectrum Analyzer USB Dongle

February 1, 2026
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

UV Index Meter with ESP32 & UV Sensor ML8511

STM32 & SIM900/800 HTTP Post Request in JSON Format

LM35 Temperature Sensor with Raspberry Pi Pico MicroPython

LM35 Temperature Sensor with Raspberry Pi Pico MicroPython

Pulse Rate Monitoring over Internet using ThingSpeak

IoT BPM Monitoring on ThingSpeak using ESP8266 & Pulse Sensor

Silicon Controlled Rectifier (SCR) Construction & Working

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

BH1750 Ambient Light Sensor Arduino

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

Trending Posts
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    IoT AC Energy Meter with PZEM-004T & ESP32 WebServer
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    12V DC to 220V AC Inverter Circuit & PCB
  • Buck Converter: Basics, Working, Design & Application
    Buck Converter: Basics, Working, Design & Application
  • How to use INA226 DC Current Sensor with Arduino
    How to use INA226 DC Current Sensor with Arduino
  • Pulse Rate (BPM) Monitor using Arduino & Pulse Sensor
    Pulse Rate (BPM) Monitor using Arduino & Pulse Sensor
  • DIY IoT Water pH Meter using pH Sensor & ESP32
    DIY IoT Water pH Meter using pH Sensor & ESP32
  • Arduino CAN Bus Tutorial | Interfacing MCP2515 CAN Module with Arduino
    Arduino CAN Bus Tutorial | Interfacing MCP2515 CAN Module with Arduino
  • ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
    ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
  • How to use INA219 DC Current Sensor Module with Arduino
    How to use INA219 DC Current Sensor Module with Arduino
  • LD2410 Sensor with ESP32 - Human Presence Detection
    LD2410 Sensor with ESP32 - Human Presence Detection

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
Text-to-Speech Speaking Robot Raspberry Pi 4
Raspberry Pi Projects

Text-to-Speech Speaking Robot using Raspberry Pi 4

Mamtaz AlamOctober 30, 2022

Raspberry Pi Pico Projects

Raspberry Pi Pico Kit Raspberry Pi Pico Projects

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

Raspberry Pi Pico ESP8266 Raspberry Pi

Raspberry Pi Pico Web Server with ESP8266 & MicroPython

Interfacing XBee Module with Raspberry Pi Pico & MicroPython Raspberry Pi Pico Projects

Interfacing XBee Module with Raspberry Pi Pico & MicroPython

Raspberry Pi Pico W Projects

Raspberry Pi Pico W OpenWeatherMap Raspberry Pi Pico W Projects

Raspberry Pi Pico W IoT Weather Station – OpenWeatherMap

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

IoT Controlled Relay using Raspberry Pi Pico W WiFi

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

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
3.7V to 9V Boost Converter

DIY 3.7V to 9V Boost Converter Circuit using MC34063

May 29, 2023
Power Supply for ESP32 Board

Power Supply for ESP32 with Battery Charger & Boost Converter

September 12, 2023
0-35V Variable Power Supply Using XL4015 DC-DC Converter

0-35V Variable Power Supply Using XL4015 DC-DC Converter

October 2, 2022

555 Timer Projects

Water Level Alert using Float Sensor & 555 Timer 555 Timer Projects

Water Level Alert using Float Sensor & 555 Timer

Mamtaz Alam3 Mins Read2K

Overview This article explores a water level alert circuit using a 555 timer and a float sensor,…

Rainfall Detector Alarm using 555 Timer & Rain Sensor

Rainfall Detector Alarm using 555 Timer & Rain Sensor

February 2, 2025
Laser Security System using 555 Timer IC & LDR

Laser Security System using 555 Timer IC & LDR

May 13, 2023
Flashing Police Light LED Effect using 555 Timer

Flashing Police Light LED Effect using 555 Timer

June 25, 2023
Negative Voltage Generator Circuit using 555 Timer IC

Negative Voltage Generator Circuit using 555 Timer IC

May 28, 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…

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…

STM32 LoRa SX1278 STM32 Projects

Interfacing LoRa SX1278 with STM32 – Sender & Receiver

Mamtaz AlamUpdated:May 29, 202386 Mins Read20K

Overview In this tutorial, we will learn Interfacing of LoRa Module SX1278 with STM32 Bluepill Microcontroller. The Ra-02 module uses SX1278 IC and works on…

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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