[TriEmbed] Group LED Buy

Thu Dec 25 10:17:57 CST 2014

Merry Christmas, Santa Adam!

    Thanks for offering this opportunity! Hitting the sweet spot between 
post-Christmas and pre-Chinese New Year seems like an excellent 
strategy. The challenge now is to ask myself which of the umpteen 
personal projects that could be cool with these smart LEDs I can afford. 
Wait, I guess I just get N meters and use the kitchen scissors for the 
last minute decisions.

Best Regards,
Pete

On 12/23/2014 09:05 AM, Adam Haile wrote:
> This is actually unrelated to the AllPixel Kickstarter, but I'm going 
> to be ordering a decent quantity of LED strips from the manufacturer 
> that I've used for about 3 years. (I'm building a VERY large display 
> for Maker Faire 2015). Which happens to be the same one we are using 
> for the AllPixel rewards. They make a wide array of high quality LED 
> strip and strings (XMas style lights).
>
> So, since it's always cheaper to buy in as much bulk as possible 
> (especially when shipping from China), I wanted to open up the option 
> to get in on the order to everyone with TriEmbed. These are insanely 
> cheap as they will be coming direct from the manufacturer. As much as 
> 1/3 the price as from places like Adafruit. I'm not looking to take 
> any profit from this. Everyone will get the pricing listed in the PDFs 
> (plus shipping and manufacturer's fees). Here's the details:
>
> Go here to get pricing PDFs: http://adamhaile.net/LEDPrices/
>
> As a quick reminder for those unfamiliar, here's the differences:
>
>   * WS2812 (NeoPixel) - 1 wire, 800Kbps data, 400Hz PWM, 24-bit color.
>     Cheapest but slow. Good for most things.
>   * WS2801 - 2 wire (SPI), 1Mbps data, 2.5kHz PWM, 24-bit color.
>     Mid-range speed and price.
>   * LPD8806 - 2 wire (SPI), 24Mbps data, 4kHz PWM, 21-bit color.
>     Fastest, most expensive. Great for POV displays
>     <http://maniacallabs.com/2014/11/19/weekend-project-povstick/> or
>     video applications. 1 IC per 2 LEDs so much use in LED pairs.
>   * APA102 - The new hotness. 2 wire (SPI). IC built into the LED like
>     WS2812. 12Mbps data. 2kHz PWM. A little more expensive than WS2812
>     but MUCH faster.
>
> All of these are controllable using FastLED on Arduino, with the 
> AllPixel and BiblioPixel, and in most cases on the Raspberry Pi 
> (WS2812 and APA102 are complicated).
>
> For those that don't want strips but prefer christmas light style 
> strings, checkout PixelStringLights.pdf. Note however that in the 
> interest of a timely order I will not order anything that doesn't have 
> green text (PixelStringLights PDF only). The black and red text items 
> are made on demand and have a several week lead time.
>
> All are available in various levels of water resistance:
>
>   * IP40 - NOT waterproof in any way. Bare strip.
>   * IP65 - Epoxy coating. Resists moisture and light splashes.
>   * IP67 - Silicone sleeve. Submersible up to 1m for up to 30 minutes.
>     (I have hit these with a pressure washer to no affect).
>   * IP68 - Silicone sleeve AND epoxy coated. Pretty much impervious if
>     you don't cut. Only available on some.
>
> All are sold as 5 meter rolls, except the string lights. See 
> the PixelStringLights PDF for length and quantity info.
>
> If you would like to order some, send me the Item Number (for 
> example: TW5050RGB32T-8806 - which is LPD8806, IP67, 32 pixels/m) and 
> the quantity in rolls (or strings). Note that the prices listed for 
> the rolls are PER METER not per roll. Multiply times 5 for the full 
> roll price.
>
> You can probably ignore the 300m or more pricing. It's highly unlikely 
> we'll hit that (barely did for the Kickstarter). But I will still see 
> if I can get a better price... I've bought a LOT of leds from them :)
>
> Once I've had some time to collect everyone's orders, I will submit an 
> invoice request to the manufacturer. That will give me the final price 
> with shipping and fees. Generally, the fees are a 4% transaction fee 
> for using Paypal (I really don't like the idea of doing a bank 
> transfer to China). So you can assume about 4% more, plus shipping 
> (was about $35 when I ordered 10 rolls). Fees and shipping will be 
> divided among everyone based on your order quantity.
>
> I will then send a paypal invoice to everyone and once I get all 
> payments I will submit the order to the manufacturer.
>
> Since part of the point is to save on shipping, the intention is for 
> that anyone who orders to either pick up at a TriEmbed meeting or make 
> other arrangements with me. I'm unsure of the time frame on this since 
> it depends on when I get all the orders in and it usually takes a few 
> weeks anyways. So the sooner I hear from those interested, the sooner 
> everyone gets their LEDs :)
>
> Let me know if you are interested or have any questions.
>
> Adam Haile
>
>
> _______________________________________________
> Triangle, NC Embedded Computing mailing list
> TriEmbed at triembed.org
> http://mail.triembed.org/mailman/listinfo/triembed_triembed.org
> TriEmbed web site: http://TriEmbed.org

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.triembed.org/pipermail/triembed_triembed.org/attachments/20141225/7708b61c/attachment.htm>