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Old Jul 16, 2012, 03:04 AM
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Target audiences

It may be that RCGroups reaches more people than DIY Drones. RC Groups tends to be the same material, year after year, since it's aimed at the same RC flying which has been around forever. DIY Drones tends to be the same material every year, but every once in a while a new technology emerges.

The audience of both tends to be the same RC pilots, not electronics designers, but RC Groups tended to be frequented by more electronics designers while DIY Drones is frequented by more absolute beginners.

The ARM microcontrollers, compilers, & free tools in 2011 had enough improved usability & speed that they broke a barrier to finally enabling some mass adoption of high computing power in home made robots. They're still as expensive as always, but maybe they can be useful. Machine vision on a 168Mhz ARM with 192k of RAM is still not happening, but maybe it can do something with sonar.

So far, the ARM aircraft is still a science project. The only useful flying has still been done by a $2 PIC.
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Old Jul 16, 2012, 05:13 AM
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I believe the 8-bit microcontrollers like avr still very enough to build and GPS-based full-functional autopilot and IMU sensors.The progress of ARM board is obvious but the hard tasks like technical vision or ets depend rather of optical sensors and efficient program codes then from processor's mhzs.
Yet i have to add the lowest simple 32-bit ARM CortexM3 boards like STM32VLDISCOVERY getting more cheap year after year. It looks very suitable for the heart of homemade drones and robots.
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