30 Mar '15, 5am

WiFi Sucks for RC Vehicles, Upgrade to 3G

This is the Kyosho Blizzard, a tracked remote control vehicle that’s a blast to take out in the rapidly retreating snowpack. [Antibore] was interested in performance testing the range of the thing. It includes a camera that streams video back to a tablet or smartphone. Both the video and the controls use WiFi for communications. As he expected, the rover loses control signal at about fifty meters, with the video has a disappointing twenty meter limit. His workaround is to saddle the crawler with a 3G bridge . Not a bad idea that may be feasibly completed with hardware you have on hand. In this case he grabbed a Beagleboard-XM. It runs embedded Linux and has USB ports which is perfect for the other two parts of the added hardware: a Huawei E230 3G dongle and a WiFi dongle. This means no alterations to the rover were necessary. He set up OpenVPN and performed a few other twe...

Full article: http://hackaday.com/2015/03/29/wifi-sucks-for-rc-vehicles...

Tweets

Reverse Engineering An RC Spy Tank #toyhacks

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superadrianme.com 30 Mar '15, 9am

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kicksonfire.com 30 Mar '15, 10pm

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Study: Electric Vehicles May Be More Useful Than Previously Thought via @ECarsReport

Study: Electric Vehicles May Be More Useful Tha...

electriccarsreport.com 31 Mar '15, 8pm

“People have commonly thought, ‘if I buy an EV, I’ll have to replace the battery in a few years because I’ll lose the abil...