Share 'Some details on the iPhone 4's GPS chip'
People are starting to look seriously at the iPhone 4 as a robotics controller. It's got a full IMU and otherwise looks appealing. You can get all the hardware chip and sensor specs from this excellent iFixIt teardown, but here's just one example: the GPS chip. It's a Broadcom chip and the refresh rate is "up to 2Hz". The user-accessible data is provided by the OS so the refresh rate in practic…
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