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How To Electronics

Editor's Pick

ADS1115 16-Bit ADC Module with Arduino
Arduino Projects

How to use ADS1115 16-Bit ADC Module with Arduino

Mamtaz AlamNovember 28, 2024
Sound Sensor Raspberry Pi Pico
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Voice Activated Light with Sound Sensor & Raspberry Pi Pico

Mamtaz AlamOctober 2, 2022
DIY LiPo Battery Charger with IoT Voltage & SoC Monitoring System
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IoT Battery Monitoring System with DIY LiPo Charger

Mamtaz AlamJanuary 24, 2025

Latest Posts

ESP32 Fingerprint Attendance System with Live Web Dashboard

ESP32 Fingerprint Attendance System with Live Web Dashboard

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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

apr33a3 voice module Arduino

Interfacing APR33A3 Voice Record & Playback Module with Arduino

Mamtaz AlamUpdated:August 22, 202211 Min Read6K

Overview In this tutorial, we will learn about APR33A3 Voice Record & Playback Module &…

Arduino Based Solar Tracker Using LDR & Servo Motor

Arduino Based Solar Tracker Using LDR & Servo Motor

November 27, 2023

8×32 MAX7219 Dot Matrix LED Display with Arduino

October 9, 2022
TFMini-S Micro LiDAR Distance Sensor Arduino

How to use TFMini-S LiDAR Distance Sensor with Arduino

August 20, 2022
DRV8825 Stepper Motor Arduino

How to Control Stepper Motor with DRV8825 Driver & Arduino

January 24, 2025

IoT Projects & Tutorials

MicroPython ESP32 DHT11 ESP32 MicroPython

MicroPython: ESP32 with DHT11 Humidity Temperature Sensor

Mamtaz AlamUpdated:August 22, 202214 Mins Read3K
LoRa Relay Switch IoT Projects

LoRa Relay Switch – Control Home Appliances using LoRa

Mamtaz AlamUpdated:August 21, 202235 Mins Read5K
STM32 SIM900 GPRS IoT Projects

Send SIM800/900 GSM/GPRS Data to Thingspeak with STM32

Mamtaz AlamUpdated:August 21, 202215 Mins Read5K
Motion Detection ESP32 CAM ESP32-CAM Projects

Motion Detection Squid Game using ESP32 CAM & OpenCV

Mamtaz AlamUpdated:May 29, 202318 Mins Read3K

Learn Electronics

L298N Dual H-Bridge Motor Driver IC

L298 Dual H-Bridge Motor Driver IC Pins, Working, Applications

May 20, 2023
LM358 Dual Op Amp IC

LM358 Dual Op-Amp Features, Pins, Working & Applications

November 11, 2024
DC-to-DC Step Up Boost Converter

Boost Converter: Basics, Working, Design & Application

August 4, 2023
LM386 Audio Amplifier

LM386 Audio Amplifier IC Pins, Working, Circuit & Applications

May 20, 2023

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…

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
PlayStation 5 vs Xbox Series X Compared

PlayStation 5 vs Xbox Series X Compared

October 14, 2023
Build a DIY Customized Mini PC using Raspberry Pi 4

Build a DIY Customized Mini PC using Raspberry Pi 4

January 8, 2024
Raspberry Pi Embedded System Development Kit for Beginners

Raspberry Pi Embedded System Development Kit for Beginners

August 18, 2023
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Don't Miss

Interfacing Voltage Sensor Arduino

Interfacing 0-25V DC Voltage Sensor with Arduino

ESP32 DW3000 UWB Module Achieving 500m Range

ESP32 DW3000 UWB Module Achieving 500m Range

IOT RFID Attendance Arduino

IoT Based RFID Attendance System Using Arduino ESP8266 & Adafruit.io

Interface Capacitive Soil Moisture Sensor with Arduino

Interface Capacitive Soil Moisture Sensor v1.2 with Arduino

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What is Li-Fi? What are its Pros, Cons & Applications?

Interfacing Waterproof Ultrasonic Sensor JSN-SR04T AJ-SR04M with Arduino

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  • ESP32 CAN Bus Tutorial | Interfacing MCP2515 CAN Module with ESP32
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Raspberry Pi Projects

DIY Thermal Imaging Camera using AMG8833 Raspberry Pi
Raspberry Pi Projects

DIY Thermal Camera with Raspberry Pi & AMG8833 Thermal Image Sensor

Mamtaz AlamJune 28, 2025
Shape Based Object Tracking with OpenCV on Raspberry Pi
Raspberry Pi Projects

Shape Based Object Tracking with OpenCV on Raspberry Pi

Mamtaz AlamAugust 28, 2023

Raspberry Pi Pico Projects

Pulse Width Modulation PWM Raspberry Pi Pico Raspberry Pi Pico Projects

Breathing LED: PWM Usage in Raspberry Pi Pico

Traffic Light Controller Raspberry Pi Pico Raspberry Pi Pico Projects

Traffic Light Controller with Raspberry Pi Pico & MicroPython

MPU6050 Gyroscope Accelerometer Raspberry Pi Pico MicroPython Raspberry Pi Pico Projects

Interfacing MPU6050 with Raspberry Pi Pico & MicroPython

Raspberry Pi Pico W Projects

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

BME280 Raspberry Pi Pico W Blynk Raspberry Pi Pico W Projects

Raspberry Pi Pico W send BME280 Sensor Data to Blynk 2.0

IoT LED Control using Blynk 2.0 & Raspberry Pi Pico W Raspberry Pi Pico W Projects

IoT LED Control using Blynk 2.0 & Raspberry Pi Pico W

Power Electronics

Boost Converter 3.7V to 5V Electronics Circuits

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

Mamtaz AlamUpdated:October 2, 20223 Mins Read11K
DIY 5V 3A USB Charger for Car or Solar Panel

DIY 5V 3A USB Charger for Car or Solar Panel (4-30V Input)

September 12, 2023
3.7V to 9V Boost Converter

DIY 3.7V to 9V Boost Converter Circuit using MC34063

May 29, 2023
Lithium Ion Battery Charger Circuit

Lithium-Ion Battery Charger Circuit using MCP73831

September 12, 2023

555 Timer Projects

Brushless DC Motor Driver Circuit Electronics Circuits

(BLDC) Brushless DC Motor Driver Circuit using 555 IC

Mamtaz AlamUpdated:August 10, 202313 Mins Read12K

Overview: Brushless DC Motor Driver Circuit using 555 IC In this project we will make…

PWM Lamp Dimmer Circuit using IC 555 Timer

Simple PWM Lamp Dimmer Circuit using IC 555 Timer

August 10, 2023
Rainfall Detector Alarm using 555 Timer & Rain Sensor

Rainfall Detector Alarm using 555 Timer & Rain Sensor

February 2, 2025
Fire Alarm 555 Circuit

Fire Alarm Circuit Using IC 555 Timer & Thermistor

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DC-DC Converter using 555 Timer IC

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

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LoRa/LoRaWAN Projects

ESP32 LoRa Thingspeak Gateway Sensor Node IoT Projects

ESP32 LoRa Thingspeak Gateway with LoRa Sensor Node

Mamtaz AlamUpdated:August 21, 202224 Mins Read6K

In this project, we will make ESP32 LoRa Thingspeak Gateway with LoRa Sensor Node. The project is basically a sensor monitoring system on Thingspeak Server…

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 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 &…

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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