Wireless

Telerobotic Rock ‘Em Sock ‘Em Robots

Just when you thought Rock ‘Em Sock ‘Em Robots couldn’t get any cooler, makers Zachery Shivers and Anne Flinchbaugh go ahead and add a bunch of servos, a custom controller board, and some fancy sensor-laden wireless watches from TI to allow you to control your robot remotely. As an entry to the Texas Instruments Co-op Design Challenge, the souped-up game uses sensor readings from a pair of Chronos watches worn by each opponent to control their respective robot.

Continue Reading Adam Flaherty
Open-source, software-based GSM cellphone network

Open-source, software-based GSM cellphone network

In plain language, we are working on a new kind of cellular network that can be installed and operated at about 1/10 the cost of current technologies, but that will still be compatible with most of the handsets that are already in the market. This technology can also be used in private network applications (wireless PBX, rapid deployment, etc.) at much lower cost and complexity than conventional cellular.

Continue Reading Sean Michael Ragan4
Hacker hams transmitting from H.O.P.E.

Hacker hams transmitting from H.O.P.E.

This weekend’s Hackers on Planet Earth convention in New York City will include hams transmitting under the special event call-sign N2H, and anyone who makes contact gets a cool QSL card. I emailed organizer bernieS and got the scoop: Amateur Radio station N2H at HOPE – call-in frequencies: 146.550MHz 2Meter band 446.050MHz 70cm band 28.370MHz […]

Continue Reading John Baichtal2