Halloween LED Jellyfish Costume

Click to see a picture of this first hand at the Daily DIY Blog

Here’s a cool one for all the DIY’ers out there just in time for Halloween: Make your own LED Jellyfish Costume using some LED rope lights and a translucent plastic salad bowl. Hey it’s weird and neat at the same time! Perfect for Halloween!

Boo!

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LED Display Case Lighting

Here’s a case study (uggh!Pardon the pun) in the works:

Our engineering department and myself would be very interested to get any feedback you might have on tackling the issue of shelf lighting (i.e. under shelf lighting) for product illumination on low-clearance shelves in a display case. The problem is this particular customer wants uniform or near uniform illumination of the top and front face of the product from shelf to shelf when the clearance between shelves is about 10 inches or so. They currently use and are not happy with fluorescent lighting which have a short life cycle in a heated environment and cannot be adjusted for color-temp or dimmed etc… so they want to switch to LEDs. When your product is so close to the lights, what is the best way to spread the illumination across the top and front face? Have any of you done something similar? We have our own thougts on this but would love to get your’s.

Here is a 3D Sketchup render (click to shoot over to my Architectural Lighting blog for a quick article about Sketchup and the Kerkythea Renderer) of the type of case (typical, not exact) this would be employed in:

Click thumnail to view full size image

..and here is the exact same Sketchup 3D model and scene rendered in Kerkythea:

Click thumbnail to view full size image

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DIY: An Introduction to Driving LEDs

Driving LED lamps – some simple design guidelines
Sorry I didn’t post yesterday. Too many company emergencies that needed dealing with. You know how it goes.

Here’s a bit about a topic I have neglected to date: Driving LEDs. All the talk is about the LEDs but you don’t hear too much about the often very sophisticated controllers that are used to drive LEDs and LED modules. Forgoing the complicated for something a bit more simple and easy to understand, this guide is a great primer for the basic considerations that must be taken into account when working with LEDs. Well done!

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LED Throwies: Not Exactly What LED Manufacturers Intended

Instructables Article: LED Throwies

1. Buy a whole mess of colorful LEDs
2. Buy as many lithium button cell batteries as you did LEDs
3. Buy same quantity of small disk magnets
4. Tape one LED to one battery
5. Tape magnet to battery to complete one throwie
6. Take a whole bunch of throwies and chuck up onto side of metal building, bridge (don’t try this in Boston ), phone pole, side of your car, wherever
7. Stand back and admire the light show

Checkout the rest of this great article for the entire story, complete step-by-step instructions, recommendations, photos, and comments on this weird but totally cool new use for LEDs!

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