Tag Archives: lighting

Spontaneous LED bulb teardown — OSRAM AA66588 [10W]

Posted on September 5, 2015 by robert

Yes, yet another power-supply failure!

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Small project #12 ½ — IKEA Samtid mood-light-upgrade upgrade

Posted on April 16, 2015 by robert

Someone, I won’t mention any names here, practically coerced me into upgrading this little project a bit. Now there’s the option to add a bluetooth module (HC-05, JY-MCU “ZS-040”), which supports remote code upload, or a WiFi module (ESP8266-1) using … Continue reading →

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Spontaneous LED bulb teardown — Filamented LED light bulb

Posted on April 6, 2015 by robert

I finally was in the mood to tear down one of these filamented LED bulbs.

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Filamented LED light bulbs — Would be nice if…

Posted on January 15, 2015 by robert

…they did work as expected.

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Small project #12 — IKEA Samtid mood-light upgrade

Posted on August 16, 2014 by robert

This upgrade is based on the loved-by-everybody WS2812B intelligent RGB LED and works just fine with Adafruit’s NeoPixel library. The concept is – once again – rather simple. Whack a lot of WS2812B RGB LEDs onto a small board, add … Continue reading →

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A death trap

Posted on June 6, 2013 by robert

Why you should always turn off the power!

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Ditching CF light bulbs — Are LED bulbs ready yet ?

Posted on December 31, 2010 by robert

The contestants: 5W LED, 7W LED (both Philips), 15W CFL (Megaman) The blister is just terrible to open…

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