Tag Archives: LED

RGB LED Ring V2 — sequels don’t have to be bad

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Zombie Meerkat — The compulsory Halloween project

2x red LEDs, 1x RGB LED, 1x ATtiny24, 1x MBI5168, 1x 470R potentiometer, 2x 270R, 1x 10k, 1x 294R resistors, perfboard, wire, solder and a lot of time. The victim: a meerkat sculpture I wanted to ‘deal with’ last year … Continue reading

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ATtiny 2313 + MBI5168 + 3W LED

Towards re-illuminating my kitchen workspace…

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IKEA Sunnan – revisited

I’ve had my IKEA Sunnan since summer 2010. I put it into bright sunlight all the time. The only way I can make it light up full-blast is to dismantle it, charge the batteries externally and reassemble it again. What … Continue reading

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Ditching CF light bulbs — Are LED bulbs ready yet ?

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

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Succumbing to the XMAS-lights madness

“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

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)

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 !

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

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

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

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

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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Seeedstudio Super White LED lighting bar 3W — first test

I finally got my trusty digital power supply back. It must be more than 10 years old by now, but it still works like on the first day ;-) Don’t remember how much I payed for it, but looking at … Continue reading

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IKEA SAMTID modification — part 1

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 ;-)

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

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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Showing live video on my 64-pixel display

Hi again! I really can’t believe it myself, but it works just fine ;-) All of this is coded in Perl and is only tested on linux. The program uses these modules, if you don’t have them install from CPAN … Continue reading

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Interactively controlled animation on a 64-pixel RGB LED display

OK, enough with this pompous title. I’ll just show how to hook up a normal potentiometer to PORTC, PIN2 of the ATmega168/328 microcontroller and control which image is displayed on the matrix. This pin works as an analog to digital … Continue reading

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64 Pixels Roundup @ interactive-matter.org

It seems I’m by far not the only one fascinated by LED matrices. Interactive-matter have put together an overview of 64-pixel projects. Go and have a look :-)

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