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The finished prototype

17 Dec

Here are some pictures of the finished prototype:

Hardware schematic

12 Dec

Here below is a brief schematic over the hardware parts in the prototype bracelet. Most of the components are visualized with only their pins. However, the schematic will give a good overview of what’s put together.

Brief explanation: The YellowJacket module works almost like an Arduino, but has an onboard WiFi-device. The YellowJacket is connected to an OLED display (using serial communication), a push button and a vibrating DC motor. The circuit is powered with a 1-cell Li-Po battery (~4V, 600mAh) but since most components need 5V to work properly, a voltage booster device is connected between the battery and all other components (providing a steady 5V supply).


Cad models

11 Dec

Two cad models, one looking like the working prototype (was supposed to look) and one looking like a more modern, sleek bracelet.



Lo-fi prototypes of wearables

11 Dec

For the nerdy kid or gadget freak:

For the smaller kids:

For the indie teenager:

For the well dressed grandma:

All of these have a small display and one button, just like the working prototype.



Family Map Poster

10 Dec

Behold, the Family Map promotional poster:

Family Map Poster

Promotional poster, created for the exhibition

CAD model of wearable

10 Dec

Working on some models of the wearable object.

“Bracelet” components together and working

8 Dec

Now all components seem to work together! The picture below shows everything for the “bracelet” thing, except a missing push button. A Li-Po battery gives power to the circuit, but since it only provides about 4V and both the display and the YellowJacket needs 5V, a voltage booster is used. Out of the voltage booster, a stable 5V supply is fed into the YellowJacket and the OLED Display. The vibrator runs at about 3V (with help of a resistor). The FTDI programmer will not be attached to the “bracelet”, but is needed when programming the YellowJacket device.

Next, a push button will be added and then everything should be put together in a more compact way…

An overview of all components  of the “bracelet” (except for a missing push button).