SIM7000C Arduino NB-IoT/LTE/GPRS Expansion Shield Connection Diagram

Sample Code

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Since Arduino UNO only has one hardware port, which will make a conflict with the other Serial

device, DFRobot_SIM7000 Library will use SoftwareSerial as communication port. Please turn

the switch to the terminal "Tx>D8; Rx > D7"

.

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The program uses SIM7000 to achieve HTTP message interaction.

#include <Wire.h>

#include <DFRobot_SIM7000.h>

#define PIN_TX

7

#define PIN_RX

8

SoftwareSerial

mySerial(PIN_RX,PIN_TX);

DFRobot_SIM7000

sim7000;

static char

buff[350];

void setup(){

int signalStrength,dataNum;

Serial.begin(115200);

sim7000.begin(mySerial);