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myPhone

Thesis Blog

February 27, 2018

Cheap GSM modules

Raspberry Pi and GSM network- sending SMS, connecting to the Internet (IoT)

aliexpress – € 1,86 /piece + shipping

or maybe… just use old candy bar phones

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maddk840

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Changing Volume on Adafruit Fona for Raspberry Pi

at+sttone is ringtone ( i think )
Changing Volume on Adafruit Fona for Raspberry Pi

yep. this is it....
Changing Volume on Adafruit Fona for Raspberry Pi

at+calm=1 --> gets the call tone when dialing to be ...
Changing Volume on Adafruit Fona for Raspberry Pi

or maybe it its this at+crsl=? at+crsl? at+crsl=10
Texting Phone

https://blog.jokielowie.com/en/2016/10/raspberry-pi-oraz-siec-gsm-wysylamy-sms-laczymy-sie-z-internetem-iot/ GSM DC power converter