Category: Led

Smart LED Flashlight
Vitaliy_M @ instructables.com has build a nice little LED flashlight. The flashlight turns on automatic for 60 seconds when it senses that the room is dark enough. To turn on manual light for additional 60 seconds you need to push the RST button. Smart LED Flashlight -...
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Arduino LED Scroll Bar using easyEDA
Today I want to make a LED Scroll Bar as is shown in the picture above. Ten LED strips can flash in different effect by using a control board. Components: LED strip, Arduino Nano, Dupont line and a control board. Arduino LED Scroll Bar using easyEDA -...
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WiFiRGB – A WiFi-enabled RGB high-power LED
Tom blogged about his WiFi/Browser controlled RGB LED project: Features Simple hardware, using pre-fabricated modules Controls an RGB LED via any recent browser, any operating system WiFi credentials can be configured via browser Software is written as an Arduino...
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ESP8266 RGB Color Picker
In this project, you’re going to build a web server with an ESP8266 to remotely control an RGB LED. This project is called ESP8266 RGB Color Picker. ESP8266 RGB Color Picker -...
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384:LED – Mini RGB LED array
Mini (1.44'' x 0.94'' or 24mm x 37mm) 8X16 RGB LED Array. 128 RGB LEDs with three LED chip each gives 384. For this project I designed two PCBs. A control PCB and a LED PCB. My goal was to fit them both in a small panel inside a 5x5 cm square to use cheap Chinese Manufacturing...
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LED current regulator has low dropout
Peter Demchenko @ edn.com This Design Idea circuit regulates the current through one or more LEDs, making it almost independent of supply voltage. Its main advantage is a very small dropout voltage, which can be less than 100mV. The design could find use on LED strips, where the...
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Interfacing 8×8 LED Matrix with Arduino
This tutorial will show how to interface a 8x8 LED matrix with Arduino. Example code is provided. LED matrix displays can be used to display almost anything. Most modern LED sign boards uses various types of matrix boards with controllers. In this tutorial we are going to interface a...
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LEDs deliver 76,000 candelas at a 10° beam angle
Lumileds' second generation LUXEON CoB Compact Range LEDs feature an efficacy and output boost of up to 16% over its previous generation arrays. The devices cover different power range directional lamps such as a 35W-equivalent and a 50W-equivalent MR-16 lamp, achieving...
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