I would like to make a project with GSM/Internet. So far I am using the GSM Shield for another project. Except for occasional hanging it is working good.
What are the differences (advantages/disadvantages) between GSM Shield (1+2), MKR 1400 and MKR NB 1500?
Is the MKR 1400 really like an standalone Arduino (UNO)? Why it has pins underneath then?
It is nothing like the UNO... its heart is an Arm Cortex®-M0 32-bit SAMD21processor... way more powerful and self sufficient to run your C++ code. The board includes as well a u-blox SARA-U201 GSM / 3G connectivity module and you have libraries to interface your code with the module directly.
all details are on the product page
the MKR NB 1500 has a different type of connectivity for Narrowband communication (based on u-blox SARA-R410M-02B, a low power chipset operating in the de different bands of the IoT LTE cellular range) and uses the same processor as the rest of the MKR family.
these are more integrated than the Shields that you connect on top of other arduinos (usually with way less compute power and memory) and the shield is only a GPRS connection (aka 2.5G) which is becoming extinct in many parts of the world.
because it makes it easier for tinkerer to play with in on a breadboard ?
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