Control relay using GSM SMS I need your help please

[south_wind]

I'm working on a project using picf877a and flowcode v5

I want to use my mcu and wait until it receive SMS message

first it will check the number or a password for authentication

Then :-

If number 1 is written in message relay 1 turn on
number 2 relay 2 turn on

and so on I just want to know how can I make this

I will appreciate any help , thank you

[EtsDriver]

You should start by making a chart of WHAT your program should do, like this, and by this you can start making your own flowchart based on that:

For example the program base could be like this:

Code: Select all

**START**
**Startup**
- Program loads password from EEPROM to variable (so safe system... okay, maybe not.)
- Program initializes the GSM modem and checks if there is connection...

**Loop**
Program checks if new messages available
if message available, check if it contains "r c pass" where the r is relay, c is control and pass is password.
if pass was not same as eeprom pass, then set password_right to 0 and send wrong password message back and return to start of loop
else if password right then: * put stuff here to select relay and turn on or off respectively * then reset the password ok part

return to start of loop
**END**

[south_wind]

Thank you EtdDriver

[Steve001]

have you seen this post

http://www.matrixtsl.com/mmforums/viewt ... ote#p26503

Steve

[south_wind]

Thanks steve that was helpful