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 ...

Want your Arduino project to be able to play sounds? That’ll be $20. Internet connectivity? $50. GPS ... shield templates allow your smartphone’s display to emulate a switch, slider, keypad ...

Put Arduino to work protecting your secrets. This project is a keypad-controlled lock that ... With an Arduino, a GPS shield kit by SparkFun, and a few other key ingredients, you can create ...