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Hacking Ham Radio for Texting

Cars That Think

MicroAPRS , which is an open-source and Arduino-compatible firmware package for DIY packet radio modems. I thought about building it around a Raspberry Pi. It would need a lot of power, and there's a risk of corrupting the filesystem if you don't do a controlled shutdown, a problem if the battery dies. This was perfect.

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Dodge Circuit EV First Drive: electric car makes grand promises on Earth Day

Tony Karrer Delicious EVdriven

Chrysler isnt the first to realize that building an EV off of a Lotus platform makes for an incredibly fast and fun experience (see also: Tesla Roadster ) We escaped from the dark confines of Cobo Hall onto a decently sunny day and cruised along the river and past the Ren Cen, gunning the Circuit whenever possible. from coal.

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Automakers agree on common plug to recharge electric vehicles

Tony Karrer Delicious EVdriven

Since Power = Current x Voltage you can put the same amount of power through a conductor at a lower current with a higher voltage. This is important since the power dissipated by a wire is Current^2 x Resistance a lower current means less power lost on the lines and more efficiency for a high power load such as a car.

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Chrysler unveils new electric minivan for the US Postal Service

Tony Karrer Delicious EVdriven

Postal Service Minivan - Click above for high-res gallery Chrysler is celebrating Earth Day today by unveiling the first four of what will be a fleet of 250 battery-powered minivans for the U.S. In addition to the USPS, ConEd, Duke Energy, DTE Energy and Electric Power Research Institute (EPRI) will participate in the test program.

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