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Tried making an LED jellyfish from the instructions at: www.instructables.com/id/LED-Jellies
Think it needs a bit more work, but hey, it glows, and has taken over the world, as demonstrated in this photo.
Công ty Cổ phần ENTEC LED chuyên cung cấp các sản phẩm đèn LED chất lượng cao cấp nhập khẩu trực tiếp từ Hàn Quốc. Với đội ngũ nhân viên nhiều năm kinh nghiệm, quý khách hàng sẽ được tư vấn miễn phí từ việc lựa chọn sử dụng đèn cho đến việc thi công lắp đặt. Chế độ bảo hành hậu mãi luôn là điều chúng tôi tự hào, tất cả các sản phẩm LED đều được bảo hành từ 4-5 năm, miễn phí thay mới khi có bất cứ lỗi nào từ nhà sản xuất.
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led litec is a manufacturer of high technology led lighting and light emitting diode bulbs, tubes, corn lights, indoor and outdoor lights, industrial & commercial lighting, strip lights, ropes and led neon tubes. www.ledlitec.com
An optional way to hook up your LED strips to power them directly from 24V.
Instead of connecting the + and - line to each strip, connect the - from the first strip to the + of the second. The + of the first strip and the - of the second connect to either the PSU or the FET on your RAMPS board. This way 1/2 the voltage is dropped on the first strip leaving the remaining 12V for the second strip.
Thanks to Triffid Hunter for the suggestion and the great diagram.
Cette Montre LED de Sport de Surface de Miroir de Couronne Sphérique Exquise J747 / noir, représente le design de surface de miroir de cristal, éblouissant l'affichage de temps numérique LED, la bande en cuir PU douce et durable, la qualité le mouvement électronique, fabrication délicate, une décoration étonnante et une montre pratique pour vous!
Description:
Si vous cherchez une montre cool, élégante et pratique, donc vous êtes venus au bon site. Ici, diverses types et des couleurs On fournit des montres LED, et Il doit y avoir un pour vous!
Cette MJ747 Montre LED de Sport de Surface de Miroir de Couronne Sphérique Exquise, représente le design de surface de miroir de cristal, éblouissant l'affichage de temps numérique LED, la bande en cuir PU douce et durable, la qualité le mouvement électronique, fabrication délicate, une décoration étonnante et une montre pratique pour vous!
www.electroniquestout.com/montre-led-de-sport-de-surface-...
Shot this using my new Hoya star filter! My brother has these LEDs in his room for decoration, and I thought they would be perfect to try out the filter.
Will post a couple more in the comments, I couldn't decide which I liked better!
This is yesterday's 365.
sooc
Montre Bijoux Femme Léopard de disque et grain Blanc/Rouge/Rose/Jaune Beige
pailletted réglable PU la courroie en cuir, l'affichage de temps analogue précis,
craftmanship délicat, est une décoration étonnante et un pratical vous surveille.
Description
Les couleurs sont aussi une chose que chacun d'entre nous
est attentif de, vous pouvez choisir la couleur que vous aimez parce qu'il y a beaucoup de sélections
et le mieux est vous ne doivent pas dépenser(passer) plus de temps fouillant(recherchant)
dans cette sorte d'accessoire(de complice), juste visitLed Electroniquestout.com vous
verra plusieurs designs(conceptions) de montres de bracelet dans le quartz
La bande(l'orchestre) wirst de cette montre est composée de PU cuir.
Si vous voulez avoir une montre, qui semble non seulement futuriste,
mais se sentir aussi futuriste, donc vous devriez obtenir ce quartz Montre Bijoux Femme Léopard.
www.electroniquestout.com/led-montre/montre-de-disque-et-...
15 second exposure with a wide open aperture. i used a bike light and a small keychain for most of these shots.
led litec is a manufacturer of high technology led lighting and light emitting diode bulbs, tubes, corn lights, indoor and outdoor lights, industrial & commercial lighting, strip lights, ropes and led neon tubes. www.ledlitec.com
The front of my LED ring, not turned on obviously. Notice the Nikon rear lense cap in the center. I made the white mount out of 3/16 white acrylic. It was a little shiny to begin with, but I sanded it to make the light diffuse better.
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Sam and myself took some long exposure pictures in the basement of Cord, in the northern quarter, manchester. One of us was posing while the other one was drawing shapes with an LED.
LED strip lights, ribbons or tapes are one of the most popular LED products available on the market.
Last photo of this year uploaded by me=)
Have an great yearchange and don't lose your hands with lightning the fireworks!!!
Please don't use this image on websites, blogs or other media without my explicit permission. © All rights reserved
Live camera at the Kouter (Gent), connected to LED panel.
(had to correct the perspective in the image)
Recently I bought 4 different coloured led-strips(red, green, blue and white) with 24 individual leds and fed by 12V (75mA). Apart from swaying the leds in patterns they are nice in the white-box for colour lighting. Easier to handle than gels and they create interesting effects. I made a little "switch box" and use plain paper for diffusing. The - flexible - led strips are mounted in aluminium with little strips of velcro so they can be used together or separately.
KiCad's 3D view of the MAX7219 driver PCB. Those four 4-pin headers should be females, not males. The two 5-pin headers will need to be right-angle, too.
Essa foto foi tirada há uns dois meses. São os LEDs da placa de rede dos computadores da IL. Achei muito interessante o brilho captado pela câmera.
Paula M.
LED Bulb or Tube vs Incandescent Bulb and fluorescent tube
1W 10W
3W 25W
6W 50W
7W 60W
10W 75W
15W 100W
Contact: Mr. Lee
Email: hileds@gmail.com
MSN: hileds@hotmail.com
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) I do some 'contract soldering' from time to time as well.
Today I've killed 3 - THREE - of these friggin' things, and I only have about 10 spares left. That's a loss of more than 1€ of semiconductor. Time to get more spares it seems.
In this shot I managed to show what's going belly up here. It's always the green ones that die. As shown here, the bonding wire has been ripped off the left pad due to stress.
Looking at this image again a few hours later, it seems the whole pad has moved to the left opening a gap of maybe 0.1mm. What a heap of shit. Could the surface tension of the solder create such a big force and pull the pad out of the somewhat softened plastic body?
I'm trying to keep the heat down and be quick, but today was a very bad soldering day. I have a feeling they wanted to save time and material in the bonding process and the wires are a bit overstressed anyway. Maybe they also 'tweaked' the gold content a bit and it got too brittle.
If these LEDs are soldered in a reflow oven this problem might not occur at all, as the epoxy around the wires will soften a bit. Given the correct temperature-vs-time profile is used. Time to get an SMD toaster? Maybe. Any recommendations? Hotplate? And I don't want to spend a fortune on it as well. Oh BTW, I hate things that suddenly just sublimate without any signs of warning! I'm looking for reasonably priced quality products here. Nothing fancy, but fully functional with a minimal amount of cursing.
Today was also the very first time that I just couldn't reliably upload code using a bootloader with the chip running on the internal 8MHz RC oscillator. Maybe this is due to the somewhat elevated temperatures we're having here right now. It's in the middle of the night right now and I'm still getting 26°C in my room. Or maybe this AVR's factory calibration is just terribly wrong. Luckily I had previously assembled another one of the boards, so I just swapped them. The good one is sent away and I keep the rebellious one for further testing. I'll put it into the freezer tomorrow and see what happens to it.