a single Arduino shield that combines GPS tracking with a GSM and GPRS transceiver. There’s also an SD card thrown in for good measure, making this one of the best tracking and data logging ...

Over on the Arduino blog, the release of the official Arduino WiFi shield was just announced ... Basically, it’s an SD card with a built-in WiFi module. After configuring the Imp by holding ...

Whether you like Arduino or not ... 450W power The GSM Shield also includes a Telefonica SIM card that includes a worldwide data tariff which can be used anywhere there is a cellular signal.