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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

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 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

Xiao ESP32 WiFi Piano: Stream Your Music from Any Browser

Build a web-controlled piano using the Seeed Studio Xiao ESP32, a MAX98357 I2S amplifier, and an SSD1306 OLED display.

July 07, 2026 by CETECH CETECH

GPS Tracker using Heltec WiFi LoRa 32 V4 and REYAX RYS352A GNSS Module

This project combines the Heltec WiFi LoRa 32 V4 development board with the REYAX RYS352A Multi-GNSS module to build a browser-based GPS tracker capable of displaying real-time location data on an interactive OpenStreetMap interface.

July 01, 2026 by Rachana Jain

DIY Green Laser Night Sky Object Finder - Find Stars & Galaxies Instantly with great accuracy

After a simple calibration process, the laser beam points extremely close to the desired target, making it possible to find many deep-sky objects within seconds using binoculars or a telescope.

June 27, 2026 by Mirko Pavleski

XiaoZhi AI and DFRobot ESP32-S3 AI Camera

Build Your Own AI-Powered Voice Assistant with XiaoZhi AI and DFRobot ESP32-S3 AI Camera

June 16, 2026 by CETECH CETECH

DIY Miniature X-Ray Machine using a TV Vacuum Tube DY86

A simple rectifier tube can produce high-quality X-ray radiographs. It is a cost-effective way to explore the principles of medical imaging and vacuum tube physics in a controlled DIY environment.

June 13, 2026 by Mirko Pavleski

PowerPD — ESP32 USB-C PD/PPS Programmable Power Supply

PowerPD is a compact USB-C PD/PPS power supply and PD analyzer built around an ESP32 microcontroller, an AP33772S USB-C PD sink controller,

June 01, 2026 by Raushan kumar

Build an IoT Smart Grid with Arduino UNO R4

Real-time energy monitoring with Arduino UNO R4 WiFi, PZEM-004T, OLED, and ThingSpeak

May 28, 2026 by Rinme Tom

Low-Cost Offline Voice Recognition with SU-03T

Build an offline voice-controlled system using the SU-03T voice module without cloud processing

May 28, 2026 by Rinme Tom

ESP32-CAM WhatsApp Image Alert System

Send Real-Time Images to WhatsApp Using ESP32-CAM and Wi-Fi

May 28, 2026 by Rinme Tom

Simple Optocoupler Tester Circuit

Quickly check 4-pin and 6-pin optocouplers with a pocket-sized tester and two LEDs.

May 16, 2026 by Rinme Tom

Arduino Handheld Game Console

Build a pocket-sized Arduino gaming console with a 128×64 OLED display and 10 classic retro games.

May 16, 2026 by Rinme Tom

ESP32 Analog VU Meter – Smooth Needle, Real Audio Response (DIY Build)

In this project, I built a fully functional analog-style VU meter using an CrowPanel 3.5"-HMI ESP32 display, and LVGL.

May 16, 2026 by Mirko Pavleski

ESP Claw with DFRobot ESP32 P4 Dev Kit

Will guide you to implement ESP Claw on DFRobot ESP32 P4 Dev Kit and how to use the interfaces.

May 12, 2026 by CETECH CETECH

Professional grade Smart Lock with ESP32, BLE and Android App Control

By integrating advanced sensors and optimizing the power management of the ESP32, I've created a DIY smart lock that is both reliable and energy-efficient.

April 25, 2026 by Mirko Pavleski

Power Failure Alarm

Why this project : I wanted to have an alarm for major storms that cause power outages lasting more than 2.5 hours. I'll only use it while I'm sleeping. But the delay before the alarm sounds can be easily modified in the Arduino Nano code.

April 15, 2026 by Andre Larochelle

Pocket Size ESP32 AI Voice Assistant With Xiaozhi

Pocket-size AI voice assistant that can listen, respond, and even display information on a small screen. It feels more like a real device

April 09, 2026 by Raushan kumar

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Latest Lighting Projects

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

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

DIY 3D Printed LED Roulette Wheel | ESP32 C3 Project

DIY ESP32 Telegram Flood Protection System - Smart Home Automation

Xiao ESP32 WiFi Piano: Stream Your Music from Any Browser

GPS Tracker using Heltec WiFi LoRa 32 V4 and REYAX RYS352A GNSS Module

DIY Green Laser Night Sky Object Finder - Find Stars & Galaxies Instantly with great accuracy

XiaoZhi AI and DFRobot ESP32-S3 AI Camera

DIY Miniature X-Ray Machine using a TV Vacuum Tube DY86

PowerPD — ESP32 USB-C PD/PPS Programmable Power Supply

Build an IoT Smart Grid with Arduino UNO R4

Low-Cost Offline Voice Recognition with SU-03T

ESP32-CAM WhatsApp Image Alert System

Simple Optocoupler Tester Circuit

Arduino Handheld Game Console

ESP32 Analog VU Meter – Smooth Needle, Real Audio Response (DIY Build)

ESP Claw with DFRobot ESP32 P4 Dev Kit

Professional grade Smart Lock with ESP32, BLE and Android App Control

Power Failure Alarm

Pocket Size ESP32 AI Voice Assistant With Xiaozhi

Categories

Platforms

Latest Lighting Projects

Categories

Platforms

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

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

DIY 3D Printed LED Roulette Wheel | ESP32 C3 Project

DIY ESP32 Telegram Flood Protection System - Smart Home Automation

Xiao ESP32 WiFi Piano: Stream Your Music from Any Browser

GPS Tracker using Heltec WiFi LoRa 32 V4 and REYAX RYS352A GNSS Module

DIY Green Laser Night Sky Object Finder - Find Stars & Galaxies Instantly with great accuracy

XiaoZhi AI and DFRobot ESP32-S3 AI Camera

DIY Miniature X-Ray Machine using a TV Vacuum Tube DY86

PowerPD — ESP32 USB-C PD/PPS Programmable Power Supply

Build an IoT Smart Grid with Arduino UNO R4

Low-Cost Offline Voice Recognition with SU-03T

ESP32-CAM WhatsApp Image Alert System

Simple Optocoupler Tester Circuit

Arduino Handheld Game Console

ESP32 Analog VU Meter – Smooth Needle, Real Audio Response (DIY Build)

ESP Claw with DFRobot ESP32 P4 Dev Kit

Professional grade Smart Lock with ESP32, BLE and Android App Control

Power Failure Alarm

Pocket Size ESP32 AI Voice Assistant With Xiaozhi

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