For educational purposes, learning AT commands on the Spreadtrum is fine, but note that behavior may differ subtly from industry-standard modules.

delay(5000); gsm.println("AT");

void setup() Serial.begin(9600); gsm.begin(9600);

// Turn on module (adjust pin) pinMode(9, OUTPUT); digitalWrite(9, LOW); delay(2000); digitalWrite(9, HIGH);

Gsm Shield Spreadtrum 1.6 [HOT | SUMMARY]

For educational purposes, learning AT commands on the Spreadtrum is fine, but note that behavior may differ subtly from industry-standard modules.

delay(5000); gsm.println("AT");

void setup() Serial.begin(9600); gsm.begin(9600); gsm shield spreadtrum 1.6

// Turn on module (adjust pin) pinMode(9, OUTPUT); digitalWrite(9, LOW); delay(2000); digitalWrite(9, HIGH); For educational purposes, learning AT commands on the