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Receive Voice Call
This sketch receives a voice call from an Arduino or Genuino board equipped with a GSM shield. Once the call is received and connected, it shows the number that is calling, and hangs up. You’ll need to attach a speaker and microphone to hear the connected call and transmit your voice. Hardware Required Arduino or […]
Firewalld Cheat Sheet
Notes and Tips To list all services firewalld is aware in an easy to read format use command firewall-cmd –get-services | tr ” ” “\n” Default firewalld service .xml files can be found under /usr/lib/firewalld/services For all commands that support the –zone= option if no zone is provided it will use the default zone. To make changes persistent add […]
Receive Caller ID and dial USSD via AT commands
Sample code : #include “SIM900.h” #include //#include “inetGSM.h” //#include “sms.h” //#include “call.h” //To change pins for Software Serial, use the two lines in GSM.cpp. //GSM Shield for Arduino //www.open-electronics.org //this code is based on the example of Arduino Labs. //Simple sketch to communicate with SIM900 through AT commands. //InetGSM inet; //CallGSM call; //SMSGSM sms; int […]