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Google Glass teardown shows some repairability, 570mAh battery

updated 10:08 am EDT, Wed June 12, 2013

Texas Instruments processor, Sandisk memory used in Glass

The Explorer Edition of Google Glass uses a non-replaceable 570mAh battery, according to a recent teardown. The main pod containing the 2.1Wh single-cell Lithium Polymer battery and the Glass hardware itself is also found to be removable from its main frame by a single Torx screw, suggesting that the device has at least some user-serviceable areas, with other parts not easily reached.

The teardown by Star Simpson and Scott Torborg explains the entire process for receiving Glass from Google, including the fitting and unboxing, before taking apart the headset itself. Before proceeding, they tried attaching Glass to prescription spectacles, but found the head proximity sensor to be unreliable, suggesting that the prescription frame version from Google itself may be built to work around this issue.

Despite the initially simple removal of the headband and being able to pry apart some plastic covers, other areas of plastic needed to be cut to avoid an internal screw, followed by a large amount of paste holding the main board and components together.

The components used to build Glass includes a custom-made touchpad module from Synaptics using its own touchpad controller. The main board, marked with "a Google[X] production" in copper, uses a TI OMAP4430 as the main processor, 16GB of flash memory from Sandisk, and mobile DRAM from Elpida. The bone conduction speaker, located in front of the battery bod, is seen to act as a tactile switch, while a flexible circuit board uses components from InvenSense.

The display for Glass, with its 640x360 resolution, is shown to be small enough to fit on top of a US dime, and while located near to the camera module, it does not share the same connection to the mainboard. The camera module itself is said to be comparable in size to sensors used in the average smartphone.



By Electronista Staff
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