MINI SIM800L GSM Module

[Volker]

Hi everyone

I recently posted for help regarding the MikroElectronika GSM Click and as TOP204 mentioned they are quite expensive.
@ TOP204, I took your advice and got myself a SIM800. Nice little module. As mentioned before this is a total new experience for me and of course a learning curve.
I am using a PIC18F452 in an application where I am measuring battery voltage, Solar voltage and Temperature and a few digital Inputs.
What I am planning to do is to send this data via http to a web server. I would really appreciate some sample code to get me going. In my application I wont be receiving data, just sending the info maybe a few times per day, or should an alarm condition, for example low battery voltage occur data needs to be send to a web server

Any help with appreciated

Regards

V
 

[RayEllam]

Hi V,
Attached is some code i wrote a few years back that included a SIM800 and was written for a PIC24. First look at the main.bas and you will see calls to subs that set up and operate the SIM800. The subs are in the SC_SIM800-1.bas file. I have included the configuration file that may also be useful?

You will have to pick your own way through this stuff but it's all written in a logical way so strip out all the stuff that's unnecessary in main and config then you should be good to go.

Good luck
Ray

[RayEllam]

Also, to get started and before you write code on a pic, connect the SIM up to a serial terminal via a usb to serial cable and play with the AT commands, confirm you can talk to the unit BEFORE writing any code. I guarantee you will have less grey hair 🤔

[Volker]

Thanks Ray, much appreciated

Have an awesome day
cheers

V

[Craig]

Hi V

Have a look at the code Example Section I posted some basic Code for the Ublox G100 Module which is similar to the Simcom unit.
It will give you a good idea of how to get going. Ray's Advice is Excellent with regards of how to start by just testing the Sim800
on a terminal program first.
Regards
Craig

[Volker]

Thanks Craig,
I really do appreciate all the help KI can get

Hope you guys have a good weekend

kind regards

V