RGB Led Driver Shield for Arduino Nano
ArduinoLed

RGB Led Driver Shield for Arduino Nano

This is my second project for LED Driver based on CAT4101 IC. The first project was for single White LED. This project has been designed to drive 3 channels of RGB LEDs with PWM signal which helps to create multi-color LED light. Arduino Nano is used to generate PWM signals for RGB LEDs...

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PIXO Pixel – An ESP32 Based IoT RGB Display
IoTLed

PIXO Pixel – An ESP32 Based IoT RGB Display

PIXO Pixel uses an ESP32 to control a matrix of 256(16x16) RGB LEDs. It is an IoT device that can display information via Wifi and BLE. The PIXO Pixel is an open source RGB display that uses the very cool, APA102-2020 Addressable LED in a 16 x 16 array. These LEDs are very fast,...

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Chromatron – Wifi Pixel Controller
Led

Chromatron – Wifi Pixel Controller

Chromatron is an open source Wifi pixel controller designed to make LED pixel projects easy and fun. Hi, I'm Jeremy! I've designed a toolkit for making art with LED pixel strips, and I'd like to share it with you! Chromatron takes custom designed hardware and feature-packed firmware,...

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HOW-TO: Music Reactive Desk Light
ArduinoLed

HOW-TO: Music Reactive Desk Light

Martina @ natural-nerd.com build a sound reacting LED light using Arduino: Hi! In this build we’ll make a good looking light that dances to all sounds and music, using simple components and some basic Arduino programming. It makes an awesome effect while standing on the desk when...

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RASPILIGHT: an open project for Ambilight TV effect
Raspberry Pi

RASPILIGHT: an open project for Ambilight TV effect

LucaBellan @ open-electronics.org  re-created the Ambilight TV effect on any other TV using Raspberry and Kodi. He writes: The screen’s edges are divided into logic sectors, and each sector is associated with a specific LED and, by making a color average of the pixels, you can find...

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The Aurora Boxealis – A Color Sensing and Mirroring Project
Led

The Aurora Boxealis – A Color Sensing and Mirroring Project

Besides looking damned good on an otherwise bland and ordinary desk, this project is about more than just being attention grabbing eye candy.  It’s about demonstrating a small portion of our single board computer capabilities by hooking up a color sensor, RGB light strip, and...

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Color sensor achieves high dynamic range with auto exposure
Sensor

Color sensor achieves high dynamic range with auto exposure

Massimo Gottardi@ edn.com writes: The Design Idea in Figure 1 is a color detector capable of generating an RGB triplet over a high dynamic range, a useful attribute for machine vision applications. The circuit implements auto-exposure control to achieve this. Thus, RGB values for a...

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16×32 RGB Matrix Panel Driver Arduino Shield
ArduinoLed

16×32 RGB Matrix Panel Driver Arduino Shield

Raj @ embedded-lab.com has revised his RGB Matrix Display Shield to an improved version. The shield now also carries the DS1307 RTC chip on board along with a CR1220 coin cell battery holder on the back. It is applicable for driving popular 16×32 RGB matrix panels with HUB75 (8×2...

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