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A little something for big ideas... earrings, bracelets, necklaces, hair clips, belts, hat bands, e-textiles, robot-bling, and more!

Have you ever read Earrings! by Judith Viorst? It's a great book... about a little girl that is desperate to get earrings for pierced ears.

I want them.
I need them.
I love them.
Beautiful earrings.
Glorious earrings.

Unlike the parents in the book... we caved when my daughter turned nine years old. Which... set me on an interesting path - ending in a ton of research on e-textiles. Long story.

Here's the short version.

A couple months ago I was watching this great show called "Ask an Engineer" which is hosted by Limor 'Ladyada' Fried, Phillip 'Adabot' Torrone, and Becky 'bekathwia' Stern. They started talking about e-textiles and how the fashion industry is painting a very over-done picture of what e-textiles has to offer. The general consensus was that what we really need is an influx of tasteful components / elements for use in e-textiles... iCufflinks and iNecklace from Adafruit is a perfect example.

So... it got me thinking about creating an inexpensive 'component' that could be used to accessorize, create accessories, or participate as a first-class citizen in an e-textile project. I can't take all the credit - my daughter was my chief creative engineer.

The doBlink is born!

Here is a photo (below) of some of my early prototypes... surface mount components keep doBlink light and small. There are four blue LEDs on a doBlink that blink in just about any pattern you can imagine - controlled by a Microchip PIC 12F1822 microprocessor.

Earrings for the next concert you say - yep. Beautiful blinky earrings for pierced ears!

Chain more than one doBlink together to create a belt, a hat band, bracelet, or bling for your killer-robot. Just supply your doBlink with 3V - and shimmering awesomeness will commence. 

How small? ...a little larger than a dime... about the size of a quarter ( 24mm-ish ).

Don't let the size of the battery fool you... with a conservative blink cycle - one CR1025 battery can last for 7 - 10 days ( easy ).

It's even breadboard compatible!

The design includes solder-jumpers to pass power from one doBlink to another. Press the button at the bottom to cycle between blink patterns! 

What's the status of the project?

* initial concept - done
* cost / spec parts - done
* rough prototype - done
* small production run - done
* final production run - READY TO GO!

One obstacle remains... it's an economy of scale thing. Producing doBlink in small quantities is relatively expensive. A quantity order will help drive the cost down to a reasonable price-point.

What do you think - are you ready to doBlink?

FAQ

  • Technically... yes. You could de-solder the microcontroller from the board, re-program it, and then solder it back into place. It's a lot of work - but it is possible. Unfortunately, there is no way to re-program the microcontroller while on the board.

    Last updated:
  • At night they can easily be seen 25 feet away. In the day, you can start to see a twinkle at 10 - 12 feet. Results will vary depending on how fresh your battery is or what kind of power you have them hooked up to.

    Last updated:
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    Two bare / unpopulated doBlink PCBs - no battery clips. A great visual element for 'artsy' projects. (US backers)

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    Two bare / unpopulated doBlink PCBs - no battery clips. A great visual element for 'artsy' projects. (option for backers outside the US)

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    The CR2032 power module will power up to four doBlink for a very long time. It's a handy module for any project that needs a 3 volt power source. (world-wide backers)

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    5 backers

    Two assembled / tested doBlink with two CR1025 batteries and battery clips loose or installed. (US backers)

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    3 backers

    Two assembled / tested doBlink with two CR1025 batteries and battery clips loose or installed. (option for backers outside the US)

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    6 backers

    Four assembled / tested doBlink with two CR1025 batteries and battery clips loose or installed. (US backers)

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    0 backers Limited (10 left of 10)

    The doBlink bracelet - just like the one shown in the update video. Assembled, tested, and ready to wear. Comes with the CR2032 power module, three doBlink, and two batteries. (US backers)

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    1 backer

    Four assembled / tested doBlink with four CR1025 batteries and battery clips loose or installed. (option for backers outside the US)

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    0 backers Limited (10 left of 10)

    The doBlink bracelet - just like the one shown in the update video. Assembled, tested, and ready to wear. Comes with the CR2032 power module, three doBlink, and two batteries. (option for backers outside the US)

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    2 backers Limited (18 left of 20)

    Want a custom blink sequence? No problem! Two assembled / tested doBlink, two CR1025 batteries, and battery clips loose or installed. Up to 10 custom blink sequences of your own design. (for world-wide backers)

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Funding period

- (45 days)