Adafruit FONA 3G Cellular Breakout - American version Without Free Ting Sim Card Shipping:1 day including the A4990 driver and

including the A4990 driver and a FET for reverse battery protection

even the high precision RTK solution can be increased to 20Hz

blue and yellow with 1mm JST termination

The ESP8266 is a cost-effective

1 ms to update 30 LEDs

Adafruit FONA 3G Cellular Breakout - American version Without Free Ting Sim Card Shipping:1 day including the A4990 driver andFor those who want to take it to the next level we now have a 3G Cellular Modem breakout! The FONA 3G has better coverage, GSM backwards compatibility and even sports a built in GPS module for geolocation & asset tracking. This all in one cellular phone module with that lets you add location tracking, voice, text, SMS and data to your project in a single breakout. If you want the version that comes with a free Ting 2G SIM Card, click here! This