Serial.println("Set baud rate......");

if(sim7000.setBaudRate(19200)){

//Set baud rate from

115200 to 19200

Serial.println("Set baud rate:19200");

}else{

Serial.println("Faile to set baud rate");

while(1);

}

mySerial.begin(19200);

Serial.println("For example, if you type AT\\r\\n, OK\\r\\n will be re

sponsed!");

Serial.println("Enter your AT command :");

}

void loop() {

mySerial.listen();

while(mySerial.available()){

Serial.write(mySerial.read());

}

mySerial.flush();

while(Serial.available()){

mySerial.write(Serial.read());

}

delay(20);

}

Input AT command to Uno serial port when the program runs and you can directly control

SIM7000 with AT command. Click to download AT command sheet. Common AT command

Introduction: