I have been tasked to find a way of communicating to a webservice from my microcontroller - yay!
With little-no real grasp on sms/etc (due to not ever 'using' it before), it appears that my knowledge of GPRS is, well, none existent.
So, I've come here in hope that someone could tell me if there is such a way for a microcontroller to 'send data out' though, well, a 'sim card' via an sms message.
This has left me a little lost If i'm honest.
My project involves 'tracking' a vehicle (still working on finding a GPS module for that), and then sending the coordinates back to HQ at hourly intervals (via text message).
So, My obvious question is this: What GPRS sim card module will allow me to do this?
I read here, although the accepted answer there for a chip requires external power, and so is of no 'true' use to me as the whole unit needs to be powered and left 'unattended' for long hours at a time.
seeing as I also need to 'monitor current location' of the board, I am also in need to obtain a GPS location.
I was thinking that mobile phones have both of these cababilitys - is this done with a 'sim card module', or is there a way of 'one module does both - send an sms AND can also gain current GPS location'?
Sorry if this is too broad, but I'm certainly not 'gifted' in knowing too much about these technologies (esp. when all these acronyms use similar letters).
Any advice / input here would be very helpful.