Tag Archives: RGB

Importing LEDs from China — Battle with customs follow-up

Posted on July 3, 2015 by robert

Behold, the stickers of DOOM… If you should find any of these on a shipment to you, prepare for battle!

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ISML + WiFi — ESP8266 finally tamed, but…

Posted on June 19, 2015 by robert

Preliminary testing of WiFi control using the ESP8266 module.

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Small project #12 ⅔ — IKEA Samtid mood-light BT firmware

Posted on April 28, 2015 by robert

A user of the “new” version of the lamp has undertaken the heroic task of writing the Bluetooth code for controlling it! Here’s a sneak-peak:

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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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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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WS2812B + ATmega168 breakout — a.k.a. RGB LED RING V3

Posted on October 19, 2013 by robert

No more software PWM, no more LED driver chips, just intelligent LED pixels. These things come with integrated controllers/drivers and support 24bit colors (8bit per R,G,B). This makes projects smaller and is much easier on the microcontroller, no more need … Continue reading →

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Mood light coaster

Posted on March 4, 2012 by robert

Yes, that’s what you get if you throw some laser-cut acrylic sheets (via Ponoko or Formulor) and a LED board into one big pot and stir it vigorously.

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RGB LED Ring V2 + ShiftPWM — super smooth color fading

Posted on January 20, 2012 by robert
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RGB LED Ring V2 — sequels don’t have to be bad

Posted on January 11, 2012 by robert
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Succumbing to the XMAS-lights madness

Posted on December 1, 2010 by robert

“This time of the year” is approaching __again__. Where did all the time go? I remember having seen my neighbours’ light shows and illuminated windows as if it had been just yesterday. But this year I will fight back! I’ll … Continue reading →

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More light! — Prolly my LAST large perfboard prototype

Posted on November 23, 2010 by robert

I’m still alive — physically that is. Recently I felt the urge to do some soldering an I promptly succumbed to it. 3 days later I was done and totally fed up with having to solder using the “W-word”. The … Continue reading →

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Bad soldering day — A rip-off (literally)

Posted on July 8, 2010 by robert

Once in a while I sell one or two of the RGB LED RING boards. As not everybody feels comfortable with soldering SMD parts (and I’ve explicitly warned that it’s not that easy and that the RGB LEDs die easily) … Continue reading →

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RGB LED Ring — now available as DIY SMD kit !

Posted on May 15, 2010 by robert

The RGB LED Ring is available as a DIY SMD kit! Honestly, ignore the next two paragraphs :-) Well as of next Monday 18:00 CET to be honest (May 17th 2010). I’ve already added it to zen-cart, but it’s still … Continue reading →

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Nitelite upgrade — another RGB thingy

Posted on February 28, 2010 by robert
http://www.youtube.com/watch?v=jU23Af8sHPo

A few days ago I visited my parents. The main purpose was to ‘deposit’ my new Lecroy WaveAce 224 DSO. I bought it as a gift for myself, but I haven’t fulfilled all criteria to receive the gift yet. Therefore … Continue reading →

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RGB LED Toy — It works

Posted on December 9, 2009 by robert

Well… sort of. I finally got the PCBs from sparkfun! Almost 6 weeks, 9 days only for the “air mail” letter to get to me. Maybe my “dear friends” at the customs office were “busy” again. Unfortunately my request to … Continue reading →

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RGB LED Toy — first order at BatchPCB

Posted on November 1, 2009 by robert

For quite some time I have 19 SMD RGB LEDs sitting in one of my electronics boxes. It used to be 20, but I’ve ruined one while trying to solder it to perfboard. They are 3 single LEDs put into … Continue reading →

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IKEA SAMTID modification — part 2

Posted on August 19, 2009 by robert

Not having the right tools is such a pain. The modification I’m planning to do requires cutting 72 round 35mm holes into the white plastic foil that forms the Ikea SAMTID’s “head”. I tried to do that with a scalpel, … Continue reading →

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IKEA SAMTID modification — part 1

Posted on July 8, 2009 by robert

I have 3 Ikea Samtid lamps. They’re affordable, useful and the design is timeless. One is in my living room and started to bore me. That has to change. As the lamp can be dismantled very easily it’s begging for … Continue reading →

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Expli.de – electronics competition — my my ;-)

Posted on June 27, 2009 by robert

I’m happily awaiting the prize ;-) Now I’ll finally be able to learn to work with AVRs “the right way” (LOL). For links to the other awarded projects, just click here. “myAVR MK2 USB PLUS” development KIT – kindly sponsored … Continue reading →

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128 = 64 x 2 — Extending to larger matrix displays

Posted on June 20, 2009 by robert

I haven’t had the nerve to test if my 8×8 PWM code could cope with a double sized matrix, but it turns out someone else has already had fun doing that. Have a look at dirk’s blog for more information. … Continue reading →

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