Legacy Personal Blogs

Please Note:

This blog contains the legacy personal blog posts of our members, other than our Top Members whose content has been migrated into individual blogs in this area. Our new platform does not have personal blogs so this is how we have preserved the personal blog posts of our members from the Jive platform. No new posts will be permitted in this blog. Instead, if you wish to create blog content, please post it in the blog in the most appropriate topic area.

  • LED Floodlight 80W-

    e14 Contributor
    LED lighting industry in China is entering the independent innovation of great historical opportunity to achieve leapfrog development, expanding the application of LED lights, LED lights in the application in practice did have some problems, the coun...

  • led power 50w  -

    e14 Contributor
    Light-emitting diode (LED) lighting for the unconventional, comfortable and customized open a new world. These design opportunities in the rapidly enhance the extent and speed of the application of LED in the car. When the LED in the car, front and r...

  • LED 400W --

    e14 Contributor
    The reason is nothing more than the two cases:First, the LED leakage current caused by the PN junction failure, so the point of LED light does not shine, this generally does not affect the work of other LED lights;Second, disconnect the internal conn...

  • engineering apps for a smooth workflow.

    mouch
    Yesterday, I saw this link published on twitter via @element14 http://www.element14.com/community/message/50932#50932/l/re-engineering-apps-for-your-phone And this made me think about how I use my i-devices in my engineering life and decided to ...

  • LED spotlights 30w

    e14 Contributor
    The LED driver design requires a compliant, so is crucial to understand their properties and select the appropriate drive circuit based on the specific application. Such a dedicated drive circuit to rated voltage and current for these LEDs to create ...

  • LED Floodlight 80W--

    e14 Contributor
    LED lighting market opportunity is huge, broad space for development. LED lighting applications has been developed from past outdoor landscape lighting LED interior lighting applications. According to the analysis of the next five years, LED interior...

  • High Power LED 50W

    e14 Contributor
    Both to build energy-saving, efficient and intelligent lighting systems, MCU and tunable optical drive for environmental sensing, high-performance dimming is a popular design trends of today's LED lighting systems, in addition to optical and thermal ...

  • led 100w

    e14 Contributor
    The current development of China's LED lightingThe current circumstances, subject to the enhancement of luminescence efficiency of the upstream chip prices fell and the LED lighting apparatus, a growing emphasis on the development of LED lighting in ...

  • led driver 200w--

    e14 Contributor
    The data from the Guangzhou International Lighting Exhibition displays, led driver 120w become one of the venture capital and private equity investment is the most favorite in industry, only Wu Sonny and he led by GSR Ventures has invested 8 LED busi...

  • led 1w  --

    e14 Contributor
    First, the status LED North American standardsLED energy-saving lamps, as a new product, the current North American product safety standards do not specifically for this type of technology requirements, testing of LED products become a topic in the ...

  • hrmshield filtering and graphing

    fustini
    I wrote a quick overview of how the hrmshield sketch works in my last post, so in this post I'd like explain what I do with the data it produces.  All the code along with sample data are in the hrmshield github repo.  ParseAfter doing a tes...

  • Polyjoule à Nogaro

    Polyjoule
    Bonjour à tous, L'équipe Polyjoule est actuellement à Nogaro pour participer à la course de l'Educ Eco où elle fait partie des favorites!Nous participons cette année pour la 1ère fois à cette course afin de préparer nos deux pilotes à conduire l...

  • a Cheap SD card Breakout.

    YT2095
    needing a memory card adapter so that I can continue experimenting with USB classes, I realised I hadn`t got any way of interfacing them to my circuit, so Last night I had an idea, and built a couple of them this morning.I realise it`s so simple and ...

  • LED Flood light 10W

    e14 Contributor
    A single LED luminous efficiency, luminous efficiency of lamps with LED light sources have similarities and differences?Plus provisions for a specific LED forward biased, for example, coupled with IF = 20mA forward current (corresponding to the VF ≈ ...

  • LED 400W

    e14 Contributor
    1 circuitNeed to use more LED products, LED series, will require a higher voltage of the LED driver output: if all the LEDs in parallel, you need a larger current of the LED driver outputs. All the LEDs in series or in parallel, not only limited by t...

  • led power 10w-

    e14 Contributor
    LED industry in the past in order to profit fully white led 1w   beam, once the development of large-size LED chips trying to take this way to achieve the desired goals, but actually exert power white LED continuous beam but will decline m...

  • high power led --

    e14 Contributor
    The test results showed that compared to the past most of the reflective self-ballasted LED lamp luminous efficiency indicators improved significantly, reaching a level of 60lm / W, compared with traditional halogen reflector lamps, increase about th...

  • LED Spotlight 30W --

    e14 Contributor
    With the development of the automotive industry, more and more state-of-the-art lighting technology being used in the car. Among them, the LED Floodlight 80W  (LED) lighting has incomparable advantages of the halogen and xenon lamps, such as lon...

  • High Power LED 50W ---

    e14 Contributor
    Compared with the vehicle's interior and exterior lighting solutions, LED lighting has many advantages such as higher performance, longer life, lower cost, this way of lighting and automotive lighting aesthetics and performance. However, want a car b...

  • Where to stop reporting...

    mouch
    In my previous post I mentioned my worries on the missing data of current pubblication. But as with everything there is an oposite side to the story.  As I mentioned I am currently simulating dc-dc converters and a characteristic of these models...

  • LED Spotlight 30W

    e14 Contributor
    In today's hottest LED industry, energy saving has been as synonymous with new energy. With the development of society, LED industry to high-power LED product transition. High-power LED driver power supply selection (species) of the LED drive power i...

  • led driver 120w

    e14 Contributor
    High power LED lighting industry's technology roadmap  Existing high-power LED 400W cooling technology exists to thermal resistance, low heat capacity, we are trying to chip a heat integration (two-story structure) model "to address the lo...

  • High Power LED 50W

    e14 Contributor
    The revised Japan Electrical Appliance and Material Safety Law will go into effect in July 2012. After this revision, the High Power LED 50W  has also become the object of the regulations applicable. In several limits, particular concern is the ...

  • FPGA Modular Firmware Skeleton for multiple instruments - Morph-IC-II, YouTube video.

    e14 Contributor
    I have developed the following design as the framework for the bus interface of USB2 interfaced FPGA based instruments. This firmware in intended to aid the design of instrumentation using the Morph-IC-II module and other fpga systems interfaced...

  • LED Blue 150W

    e14 Contributor
    Most lighting designers believe that the quality of all LED products are the same. However, many LED Blue 150W manufacturers and suppliers, Asian manufacturers to low-cost global supply LEDs. Surprisingly, only a small part of these manufacturers to...