[Brian] first reported a new $5 WiFi module back in August. Since then there have been an explosion of awesome projects utilizing ... the ESP8266 with an Arduino Mega2560.

Here is a list of projects that ... access with an Arduino. Just be warned: this one is a bit more complicated than the ...

Presumably, the core phone module will have regulatory acceptance ... Of course, we’ve seen GSM and cell phone shields for Arduino before. Difficult to imagine sticking those in a dog collar ...