char apn[] = ""; // Access point name. Leave empty if it is not needed. char gprsLogin[] = ""; // GPRS username. Leave empty if it is not needed. char gprsPassword ...
This is the basic circuit diagram. Wire up 2 of these circuits, one for master and one for the slave. For the connections, all we are doing here is connecting the HC05 to the Arduino. The Receiver (Rx ...
The ESP8266-01 has been a great module to quench all our thirsts for IOT projects. Since its release, it has developed a strong community and evolved into an easy to use, cheap and powerful Wi-Fi ...
and the Nextion display to form the complete GSM Mobile System. pageNum = rawMsg[rawMsg.length()-4]; //Read Nextion: get the page number. msg = rawMsg.substring(1 ...
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