Profile cover photo
Profile photo
Margery Conner
267 followers -
LEDs. Technology. Writing. Gardening. Travel. Fitness.
LEDs. Technology. Writing. Gardening. Travel. Fitness.

267 followers
About
Margery's posts

Post has attachment
Dimmable, 90+ CRI candelabra bulbs. Clever use of plastic light guide and internal reflections within the bulb cover: http://www.designingwithleds.com/cree-5w-led-candelabra-bulb/

Post has attachment

Post has attachment
Light spectrum charts (+ raw data) for common LED, fluorescent, and incandescent lights -- Using the excellent UPRtek MK350 spectrometer http://www.designingwithleds.com/light-spectrum-charts-data/

Post has attachment

Post has attachment

Post has attachment
How how to use a laser pointer lens, iPhone, and a tripod to take 175x-mag photos of LED filaments http://www.designingwithleds.com/smartphone-microscope-led-photos/ 

Post has attachment
I used to think LED filaments were just LEDs-on-a-stick --wrong! They seem to use a clever packaging method of chips wire-bonded to a square wire lead-frame. Very versatile.

Post has attachment

Post has attachment
Gorgeous light quality: The NEW Cree TW series LED T8 tube light at a third less than the original one. http://www.designingwithleds.com/the-new-cree-tw-series-led-t8-review-and-teardown/

Post has attachment
At $38, the FEIT/Costco ‪#‎LED‬ shop light is a good product. And the light quality is good, too. 
Wait while more posts are being loaded