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ESP32-S3 Based Weather Monitoring System with LVGL

This project is a compact weather monitoring system built with an ESP32-S3 Smart Display and sensors. It uses a BME280 sensor to measure temperature, humidity, atmospheric pressure, and altitude, along with a rain sensor for rainfall detection and an LDR for day/night identification.

August 18, 2026 by Rachana Jain

Long-Range Appliance Control Using Arduino and RYLR999 LoRa

Build a long-range wireless appliance controller using Arduino Nano and the Reyax RYLR999. A smartphone sends commands over BLE, while LoRa carries them to a remote Arduino that switches a bulb or fan through relays—without requiring Wi-Fi or internet connectivity.

August 17, 2026 by Rachana Jain

Getting Started with the Heltec WiFi LoRa 32 V4

This project is a practical guide to getting started with the Heltec WiFi LoRa 32 V4, an ESP32-S3-based development board that combines LoRa, Wi-Fi, Bluetooth, an OLED display, native USB, battery management, and GNSS connectivity.

August 16, 2026 by Rachana Jain

Simple Object Recognition with the UNIHIKER K10 – No TensorFlow, No Internet, No Cloud AI

This project demonstrates that practical object recognition does not always require complex machine learning frameworks. Using only the built-in camera, display, and processing power of the UNIHIKER K10, it is possible to create a simple, fast, and effective object recognition system that can be trained directly by the user.

August 15, 2026 by Mirko Pavleski

Arduino 4-Channel Relay Control Project

This project demonstrates how to control multiple external loads using an Arduino Uno and a 5V 4-channel relay module. The Arduino controls each relay independently, allowing a DC motor and individual RGB LED channels to be switched using separate outputs.

August 12, 2026 by Rachana Jain

4 Mechatronics and Automation Projects, Quickly Explained

A fast, practical breakdown of four automation builds: smart sorting, pneumatic access control, and two bottle filling and capping lines.

August 11, 2026 by Bob Odhiambo

DIY PCL82 Tube Amplifier, Single-Ended Amp with Amazing Sound

In this project, I convert a classic PCL86 single-ended tube amplifier design to operate with the less common PCL82 vacuum tube. Powered entirely from compact DC-DC converters, this amplifier delivers maximum 2W of warm tube sound with absolutely no audible hum or switching noise.

August 08, 2026 by Mirko Pavleski

Nix Robot - DIY Humanoid

Bipedal humanoid robot with autonomous gaits and other moves. DIY builds are easy to make for students and teachers of robotics. Started as an educational project, it evolved into a rapidly expanding ecosystem of open-sourced STL and CAD files, codebase, and community around it. Features possible AI/ML integration and device expansion.

August 04, 2026 by Nix Robot

Simple MCP2036 SDR Radio - The Most Unusual Software Defined Radio

In this project I demonstrate an extremely simple Direct Conversion SDR Receiver based on the Microchip MCP2036 IC. With only a handful of passive components and an external VFO, this unusual circuit becomes a surprisingly capable SDR front-end covering frequencies up to approximately 10–15 MHz.

August 01, 2026 by Mirko Pavleski

PRESS & EAT: From Idea to Hardware in 5 Minutes

A Wio Terminal gadget that solves "what to eat today": press the joystick to randomly scroll through 20 foods, and after 2 seconds it stops to tell you what to eat.

July 31, 2026 by shirley li

Building Smart Light-Sensing Projects with LDR Sensors and Arduino

Explore how Light Dependent Resistors enable automatic lighting, security systems, and IoT projects through practical Arduino tutorials, component selection guides, and real-world applications from street lights to smart home automation.

July 29, 2026 by Daniel DSouza

Arduino Nano Tamagotchi

Head back to the 90s by making your own Arduino-based Tamagotchi! This is a Nano-adapted version of ArduinoGotchi, based on GPL-licensed firmware by Gary Kwok, modified for a compact handheld build.

July 28, 2026 by Chaos Theory

Elecrow All-in-One Arduino Starter Kit Review - 20 Projects & 16 Modules

This Elecrow Starter Kit saves time, eliminates wiring problems, and makes learning electronics both simple and enjoyable.

July 25, 2026 by Mirko Pavleski

Building a Photoelectric Sensor-Controlled AC Timer Circuit Using a 24V DC Relay

Learn how to interface a 24V DC photoelectric sensor with an AC timer relay using an interposing relay in this practical industrial automation project.

July 21, 2026 by Bob Odhiambo

The Technology Behind Illuminated Custom 3D Signs: From CAD Design to a Finished Display

A great illuminated sign is built long before the LEDs are switched on and It starts with a well-planned 3D model lighting layout that delivers smooth.

July 20, 2026 by Vlada Tselomudrova

Build Your Own WiFi Scanner: Network Detective Tool

Ever wondered what WiFi networks are around you? Here's how to build one with your hands!

July 19, 2026 by CETECH CETECH

ESP32-C3 Color Detector with TCS34725, Real-Time RGB Detection & Web Interface

This ESP32-C3 Color Detector demonstrates how accurate and efficient color recognition can be achieved using a dedicated TCS34725 optical sensor. With real-time RGB detection, instant LED feedback, and a wireless smartphone interface, the project provides a practical and low-cost solution for a wide range of embedded electronics applications.

July 18, 2026 by Mirko Pavleski

DIY 3D Printed LED Roulette Wheel | ESP32 C3 Project

Today I am going to show you how I made a "Digital Roulette Wheel" by combining ESP32-C3 with the classic CD4017 CMOS decade counters

July 17, 2026 by Ashish Adhikari

DIY Smart Security Alarm System with Motion Sensor and Arduino

In this tutorial, we will build a simple yet highly effective Smart Security Alarm System using an Arduino, a Passive Infrared (PIR) Motion Sensor, and a buzzer. This project is perfect for beginners who want to get hands-on experience with hardware interrupts, sensor calibration, and basic automation.

July 17, 2026 by sky Lin

DIY ESP32 Telegram Flood Protection System - Smart Home Automation

How to build a highly reliable, automated Flood Protection System using an ESP32 microcontroller and a Telegram Bot for real-time remote monitoring and control.

July 11, 2026 by Mirko Pavleski

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ESP32-S3 Based Weather Monitoring System with LVGL

Long-Range Appliance Control Using Arduino and RYLR999 LoRa

Getting Started with the Heltec WiFi LoRa 32 V4

Simple Object Recognition with the UNIHIKER K10 – No TensorFlow, No Internet, No Cloud AI

Arduino 4-Channel Relay Control Project

4 Mechatronics and Automation Projects, Quickly Explained

DIY PCL82 Tube Amplifier, Single-Ended Amp with Amazing Sound

Nix Robot - DIY Humanoid

Simple MCP2036 SDR Radio - The Most Unusual Software Defined Radio

PRESS & EAT: From Idea to Hardware in 5 Minutes

Building Smart Light-Sensing Projects with LDR Sensors and Arduino

Arduino Nano Tamagotchi

Elecrow All-in-One Arduino Starter Kit Review - 20 Projects & 16 Modules

Building a Photoelectric Sensor-Controlled AC Timer Circuit Using a 24V DC Relay

The Technology Behind Illuminated Custom 3D Signs: From CAD Design to a Finished Display

Build Your Own WiFi Scanner: Network Detective Tool

ESP32-C3 Color Detector with TCS34725, Real-Time RGB Detection & Web Interface

DIY 3D Printed LED Roulette Wheel | ESP32 C3 Project

DIY Smart Security Alarm System with Motion Sensor and Arduino

DIY ESP32 Telegram Flood Protection System - Smart Home Automation

Categories

Platforms

Latest Projects

Categories

Platforms

ESP32-S3 Based Weather Monitoring System with LVGL

Long-Range Appliance Control Using Arduino and RYLR999 LoRa

Getting Started with the Heltec WiFi LoRa 32 V4

Simple Object Recognition with the UNIHIKER K10 – No TensorFlow, No Internet, No Cloud AI

Arduino 4-Channel Relay Control Project

4 Mechatronics and Automation Projects, Quickly Explained

DIY PCL82 Tube Amplifier, Single-Ended Amp with Amazing Sound

Nix Robot - DIY Humanoid

Simple MCP2036 SDR Radio - The Most Unusual Software Defined Radio

PRESS & EAT: From Idea to Hardware in 5 Minutes

Building Smart Light-Sensing Projects with LDR Sensors and Arduino

Arduino Nano Tamagotchi

Elecrow All-in-One Arduino Starter Kit Review - 20 Projects & 16 Modules

Building a Photoelectric Sensor-Controlled AC Timer Circuit Using a 24V DC Relay

The Technology Behind Illuminated Custom 3D Signs: From CAD Design to a Finished Display

Build Your Own WiFi Scanner: Network Detective Tool

ESP32-C3 Color Detector with TCS34725, Real-Time RGB Detection & Web Interface

DIY 3D Printed LED Roulette Wheel | ESP32 C3 Project

DIY Smart Security Alarm System with Motion Sensor and Arduino

DIY ESP32 Telegram Flood Protection System - Smart Home Automation

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