Great to use with Arduino Mega 2560
I used the EFCom Shield with the Arduino Mega to turn on and off, household appliance.
Now I can turn on my heater via SMS, in my remote cabin before I arrive there. Here in Iceland it gets pretty cold during the winter and so we need to heat our houses. This takes a lot of energy. I placed the shield connected to ... Read more
development board easy to use, powerful gprs module, which can be made developments in the area of electronic engineering geolocation solutions with low power consumption ideal for portable applications in batteries, wide-ranging, integrated antenna, and built-in power supply plate high, not sure pin connection, which does not ensure perfect contact ... Read more
Full support of manufacturer's commands module. Excellent compatibility with the Arduino. Good documentation on the website Elecfreaks. Using small sketches, almost anyone can build an alarm, or remote control, data transmission. Anything on GSM. GPRS connections are also possible. Soldering of components is not accurate-the soldering flux to the bosses ... Read more
The module comes from the elecfreaks GSM module. They have a tutorial on how to set it up and some examples on how to use it using the arduino platform.
Comes with the required power supply to make it work.
Has SMS, GPRS and audio (phone calls). The sim card holder is not so good but it works.
The elecfreaks page has a lower price for it. Remember using ... Read more
Easy to use.
Works out of the Box.
Very cheap and good build quality.
Can find several tutorials on the internet.
Comes with the 9V 1A power supply.
Comes with the antena.
You can use the hardware serial and software serial by just changing some jumpers.
Led activity is very good The SIM card tray could be more sturdy. If you like arduino ... Read more
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