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I was cleaning out some old stuff today and I found an old SMS module hidden away. Now no good (as a SMS module) however I noticed it has 4 sets of digital pins on the rear.
Can these be used as Digital High/Low (on/off) pins and link Processes to them? (like a cut down version of the PLM-ADIN)?
If not, what were they used for? The manual doesn't really say and the GSM network it operates on in AU was shutdown a long time ago.
Thanks in advance.
Can these be used as Digital High/Low (on/off) pins and link Processes to them? (like a cut down version of the PLM-ADIN)?
If not, what were they used for? The manual doesn't really say and the GSM network it operates on in AU was shutdown a long time ago.
Thanks in advance.