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Author : Ila MulyandiNo comments
SIM800 adalah salah satu Module GSM/GPRS Serial  yang dapat kita Gunakan bersama Arduino/AVR
Ada beberapa type dari Breakout Board SIM800/SIM800L yang akan kita bahas disini adalah yg Versi
Mini SIM800L dengan Micro SIM.

Berikut datasheet SIM800L mini Module :

Description:

Chip: SIM800L
Voltage: 3.7-4.2V (datasheet = 3.4-4.4V)
Freq : QuadBand 850/900/1800/1900Mhz
Module size: 2.5cmx2.3cm
Transmitting power
Class 4 (2W) at GSM 850 and EGSM 900
Class 1 (1W) at DCS 1800 and PCS 1900GPRS connectivity
GPRS multi-slot class 12 default
GPRS multi-slot class 1~12 (option)
Temperature range Normal operation: 40°C ~ +85°C
TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232
Power module automatically boot, homing network
Onboard signal lights all the way . It flashes slowly when there is a signal, it flashes quickly when there is  no signal

Full Datasheet silahkan download link berikut :
Datasheets Lengkap Module SIM800L (Google Drive/Dani)


Module SIM800L memiliki 12 pin Header,6 di sisi kanan dan 6 disisi kiri,berikut definisi PIN nya
1.NET = Antena
2.VCC = +3.7-4.2V
3.RST = Reset
4.RXD = Rx Data Serial
5.TXD = Tx Data Serial
6.GND = Ground/0V

7.RING  when call incoming
8.DTR
9.MICP = Microphone +
10.MICN = Microphone -
11.SPKP = Speaker +
12.SPKN = Speaker -

 Default Boudrate untuk Module SIM800L adalah 9600
Harus Menggunakan Step Down Converter jika akan dihubungkan dengan VCC 5V Arduino

Saya mencoba memberi tegangan VCC SIM800L dengan 4,2VDC (saya turunkan dari 5V vcc Arduino menggunakan Stepdown Buck Converter) dan Hasilnya Muncul Warning Over Voltage pada Serial Monitor.Saya turunkan tegangan sampai 4,15V Warning masih Muncul.

 Saya turunkan Kembali tegangan VCC SIM sampai 3,7VDC dan baru bisa Berjalan Normal walaupun pada Datasheets nya disebutkan VCC 3.4-4.4VDC

Untuk Koneksi Standar Wiring Module SIM800L dengan Arduino adalah sbb:

Sim800L  <--> Arduino
VCC <--> 3,7V melalui Step Down dari 5V Arduino
GND <--> GND
RXD <--> Tx Serial D1 atau Tx SoftwareSerial
TXD <--> Rx Serial D0 atau Rx SoftwareSerial
Berikut Adalah Coding Untuk Testing Koneksi SIM800L ke Arduino Melalui SoftwareSerial


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#include <SoftwareSerial.h>
SoftwareSerial SIM800L(2, 3); // RX | TX
// Connect the SIM800L TX to Arduino pin 2 RX. 
// Connect the SIM800L RX to Arduino pin 3 TX. 
char c = ' ';
void setup() 
{
    // start th serial communication with the host computer
    Serial.begin(9600);
    while(!Serial);
    Serial.println("Arduino with SIM800L is ready");
 
    // start communication with the SIM800L in 9600
    SIM800L.begin(9600);  
    Serial.println("SIM800L started at 9600");
    delay(1000);
    Serial.println("Setup Complete! SIM800L is Ready!");
}
 
void loop()
{
 
     // Keep reading from SIM800 and send to Arduino Serial Monitor
    if (SIM800L.available())
    { c = SIM800L.read();
      Serial.write(c);}
 
    // Keep reading from Arduino Serial Monitor and send to SIM800L
    if (Serial.available())
    { c = Serial.read();
      SIM800L.write(c);  
       }

}

#Hubungkan TXD SIM800L ke pin D2 Arduino (Rx SoftSerial) dan RXD SIM800L ke D3 (Tx SoftSerial).Buka Serial Monitor pada Arduino IDE dan Setting Boudrate 9600 - Both NL & CR.

#Pastikan SIM800L sudah dimasukan SIM (microSIM) dan LED Indicator Berkedip Lambat (jika kedipnya Cepat berarti SIM No Signal atau SIM Not Detected)

#Tes Koneksi dengan mengetik at
Kalau koneksi berhasil maka SIM800L akan merespon seperti Gambar di bawah :

 Standar ATcommand untuk check parameter SIM800L
AT – is to check if interface is working fine.
AT+CFUN – is used to set phone functionality
AT+CFUN? – returns currently set value for AT+CFUN
AT+CFUN=? – returns all possible values that can be set for AT+CFUN (similar to help)
AT+CFUN=1 – is to sent AT+CFUN to 1 (full functionality)
AT+CREG? – to get network registration information. stat=1 means you are registered with home network
AT+COPS? – returns currently registered operator details
AT+COPS=? – returns all the operators available

Mengirim SMS Sim800L melalui SoftwareSerial tanpa menggunakan Library (hanya AT Command)

 Berikut adalah Sample Coding Untuk Kirim SMS SIM800L menggunakan SoftwareSerial/tanpa Library


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#include <SoftwareSerial.h>
SoftwareSerial SIM800L(2, 3); // RX | TX
// Connect the SIM800L TX to Arduino pin 2 RX. 
// Connect the SIM800L RX to Arduino pin 3 TX. 
void setup() {
 // start th serial communication with the host computer
    Serial.begin(9600);
    while(!Serial);
    Serial.println("Arduino with SIM800L is ready");
 
    // start communication with the SIM800L in 9600
    SIM800L.begin(9600);  
    Serial.println("SIM800L started at 9600");
    delay(1000);
    Serial.println("Setup Complete! SIM800L is Ready!");
   
  Serial.println("Set format SMS ke ASCII");
  SIM800L.write("AT+CMGF=1\r\n");
  delay(1000);
 
  Serial.println("SIM800L Set SMS ke Nomor Tujuan");
  SIM800L.write("AT+CMGS=\"089666699999\"\r\n");
  delay(1000);
   
  Serial.println("SIM800L Send SMS content");
  SIM800L.write("Testing Kirim SMS via SIM800L");
  delay(1000);
   
  Serial.println("Mengirim Char Ctrl+Z / ESC untuk keluar dari menu SMS");
  SIM800L.write((char)26);
  delay(1000);
     
  Serial.println("SMS Selesai Dikirim!");
}

void loop() {
  // put your main code here, to run repeatedly:

}


Berikut Screenshoot pada Serial Monitor Arduino IDE
Berikut ScreenShoot SMS MAsuk pada Hp Nomor Tujuan :

Menggunakan GSM Library ke Module SIM800L

Disini saya menggunakan Library dari Seeeduino.Silahkan download librarynya disini

Library Seeduino Menggunakan Software Serial dengan Pin Tx=D8 dan Rx=D7 
Berikut sambungan wiring antara SIM800L dengan Arduino dengan Library Seeeduino
Sim800L  <--> Arduino
VCC <--> 3,7V melalui Step Down dari 5V Arduino
GND <--> GND
RXD <--> D8
TXD <--> D7

Berikut Contoh Sketch kirim SMS dengan SIM800L menggunakan library Seeeduino

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/*
Sketch: GPRS Connect TCP

Function: This sketch is used to test seeeduino GPRS's send SMS func.to make it work, 
you should insert SIM card to Seeeduino GPRS and replace the phoneNumber,enjoy it!
************************************************************************************
note: the following pins has been used and should not be used for other purposes.
  pin 8   // tx pin
  pin 7   // rx pin
  pin 9   // power key pin
  pin 12  // power status pin
************************************************************************************
created on 2013/12/5, version: 0.1
by lawliet.zou(lawliet.zou@gmail.com)
*/
#include <gprs.h>
#include <SoftwareSerial.h>

GPRS gprs;

void setup() {
  Serial.begin(9600);
  while(!Serial);
  Serial.println("SIM800L Demo Send SMS via Seeeduino");
  gprs.preInit();
  delay(1000);
  while(0 != gprs.init()) {
      delay(1000);
      Serial.print("init error\r\n"); //pesan di Serial Monitor jika proses init module GPRS Gagal
  }  
  Serial.println("Init succes..."); //pesan di Serial Monitor jika proses init module GPRS Sukses
  delay(1000);
  
  //Format Coding Kirim SMS
  gprs.sendSMS("089666699999","Test Send SMS with Seeeduino Lib"); //define phone number and text
}

void loop() {
  //nothing to do
}

 Screenshoot pada layar Hp :
Berikut Contoh Sketch Melakukan Panggilan dengan SIM800L menggunakan library Seeeduino

  
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/*
Sketch: GPRS Connect TCP

Function: This sketch is used to test seeeduino GPRS's send SMS func.to make it work, 
you should insert SIM card to Seeeduino GPRS and replace the phoneNumber,enjoy it!
************************************************************************************
note: the following pins has been used and should not be used for other purposes.
  pin 8   // tx pin
  pin 7   // rx pin
  pin 9   // power key pin
  pin 12  // power status pin
************************************************************************************
created on 2013/12/5, version: 0.1
by lawliet.zou(lawliet.zou@gmail.com)
*/
#include <gprs.h>
#include <SoftwareSerial.h>

GPRS gprs;

void setup() {
  Serial.begin(9600);
  while(!Serial);
  Serial.println("SIM800L Demo Calling via Seeeduino");
  gprs.preInit();
  delay(1000);
  while(0 != gprs.init()) {
      delay(1000);
      Serial.print("init error\r\n"); //pesan di Serial Monitor jika proses init module GPRS Gagal
  }  
  Serial.println("Init succes..."); //pesan di Serial Monitor jika proses init module GPRS Sukses
  delay(1000);
  
  //Format Coding Calling Number
  gprs.callUp("089666699999"); //define phone number
}

void loop() {
  //nothing to do
}

Screenshoot di layar Hp :

Auto Read Incoming SMS From SIM800L to Arduino Serial Monitor


Berikut Contoh Sketch Auto Read incoming SMS dengan SIM800L menggunakan library Seeeduino

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#include <gprs.h>
#include <softwareserial.h>
 
#define TIMEOUT    5000
#define LED_PIN    13
 
bool ledStatus;
GPRS gprs;
 
void setup() {
  Serial.begin(9600);
  while(!Serial);
 
  Serial.println("Starting SIM800 Auto Read SMS");
  gprs.preInit();
  delay(1000);
 
  while(0 != gprs.init()) {
      delay(1000);
      Serial.print("init error\r\n");
  } 
 
  //Set SMS mode to ASCII
  if(0 != gprs.sendCmdAndWaitForResp("AT+CMGF=1\r\n", "OK", TIMEOUT)) {
    ERROR("ERROR:CNMI");
    return;
  }
   
  //Start listening to New SMS Message Indications
  if(0 != gprs.sendCmdAndWaitForResp("AT+CNMI=1,2,0,0,0\r\n", "OK", TIMEOUT)) {
    ERROR("ERROR:CNMI");
    return;
  }
 
  Serial.println("Init success");
}
 
//Variable to hold last line of serial output from SIM800
char currentLine[500] = "";
int currentLineIndex = 0;
 
//Boolean to be set to true if message notificaion was found and next
//line of serial output is the actual SMS message content
bool nextLineIsMessage = false;
 
void loop() {
  //Write current status to LED pin
  digitalWrite(LED_PIN, ledStatus);
   
  //If there is serial output from SIM800
  if(gprs.serialSIM800.available()){
    char lastCharRead = gprs.serialSIM800.read();
    //Read each character from serial output until \r or \n is reached (which denotes end of line)
    if(lastCharRead == '\r' || lastCharRead == '\n'){
        String lastLine = String(currentLine);
         
        //If last line read +CMT, New SMS Message Indications was received.
        //Hence, next line is the message content.
        if(lastLine.startsWith("+CMT:")){
           
          Serial.println(lastLine);
          nextLineIsMessage = true;
           
        } else if (lastLine.length() > 0) {
           
          if(nextLineIsMessage) {
            Serial.println(lastLine);
             
            //Read message content and set status according to SMS content
            if(lastLine.indexOf("LED ON") >= 0){
              ledStatus = 1;
            } else if(lastLine.indexOf("LED OFF") >= 0) {
              ledStatus = 0;
            }
             
            nextLineIsMessage = false;
          }
           
        }
         
        //Clear char array for next line of read
        for( int i = 0; i < sizeof(currentLine);  ++i ) {
         currentLine[i] = (char)0;
        }
        currentLineIndex = 0;
    } else {
      currentLine[currentLineIndex++] = lastCharRead;
    }
  }
}

 Screenshoot pada Serial Monitor Arduino dan Pengiriman SMS dr Hp :

Auto Answer Incoming Call From SIM800L with Notify Arduino Serial Monitor


Berikut Contoh Sketch Auto Answer Incoming Call dengan SIM800L menggunakan library Seeeduino

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#include <gprs.h>
#include <SoftwareSerial.h>

char gprsBuffer[64];
int i = 0;
char *s = NULL;
int inComing = 0;

GPRS gprs;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  while(!Serial);
  Serial.println("GPRS - Auto Answer incoming Call...");
  gprs.preInit();//power on SIM800
  delay(1000);
  while(0 !=gprs.init()) { //gprs init
      delay(1000);
      Serial.print("init error\r\n");
    }
    Serial.println("Init success, start to monitor your incoming Call...");
}

void loop() {
  // put your main code here, to run repeatedly:
   if(gprs.serialSIM800.available()) {
        inComing = 1;}
        else{delay(100);}
   
   if(inComing){
        gprs.readBuffer(gprsBuffer,32,DEFAULT_TIMEOUT);
        Serial.println(gprsBuffer);
        Serial.println("Panggilan Masuk");
         //Auto Answer Call Incoming
        if(NULL != strstr(gprsBuffer,"RING")) {
           delay (500); // Delay Angkat Telefon
            gprs.answer();}
            if(NULL != strstr(gprsBuffer,"OK")) {
           Serial.println("Panggilan Diterima");}
            if(NULL != strstr(gprsBuffer,"NO CARRIER")) {
           Serial.println("Panggilan Terputus");}
   
     gprs.cleanBuffer(gprsBuffer,32);
     inComing = 0;    
     }    
}

 Berikut Tampilan Layar Serial Monitor Arduino :

Setting Caller ID (nomor panggilan masuk) pada SIM800L menggunakan interaksi Serial Monitor

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#include <gprs.h>
#include <SoftwareSerial.h>

char gprsBuffer[64];
int i = 0;
char *s = NULL;
int inComing = 0;
char c;
GPRS gprs;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  while(!Serial);
  Serial.println("GPRS - Auto Answer incoming Call...");
  gprs.preInit();//power on SIM800
  delay(1000);
  while(0 !=gprs.init()) { //gprs init
      delay(1000);
      Serial.print("init error\r\n");
    }
    Serial.println("Init success, start to monitor your incoming Call...");
    delay (1000);
    Serial.println("Aktifkan Caller ID ?  Y=Ya T=Tidak");

}

void loop() {

  if(Serial.available()) {
  c = Serial.read();
  if (c=='Y'){
  Serial.println("Ya"); 
  gprs.serialSIM800.print("AT+CLIP=1\r");
  Serial.println("Caller ID diperlihatkan!");}
  if (c=='T'){
    Serial.println("Tidak"); 
  gprs.serialSIM800.print("AT+CLIP=0\r");
  Serial.println("Caller ID disembunyikan!");}           
}  
  // put your main code here, to run repeatedly:
   if(gprs.serialSIM800.available()) {
        inComing = 1;}
        else{delay(100);}
   
   if(inComing){
        gprs.readBuffer(gprsBuffer,32,DEFAULT_TIMEOUT);
        Serial.println(gprsBuffer);
        Serial.println("Panggilan Masuk");
         //Auto Answer Call Incoming
        if(NULL != strstr(gprsBuffer,"RING")) {
           delay (500); // Delay Angkat Telefon
            gprs.answer();}
            if(NULL != strstr(gprsBuffer,"OK")) {
           Serial.println("Panggilan Diterima");}
            if(NULL != strstr(gprsBuffer,"NO CARRIER")) {
           Serial.println("Panggilan Terputus");}
   
     gprs.cleanBuffer(gprsBuffer,32);
     inComing = 0;    
     }    
}


 Ketik Huruf "Y" pada Serial Monitor Untuk Mengaktifkan Fitur Caller ID 

Setelah Fitur Caller ID Aktif maka Nomor Pemanggil akan ditampilkan setiap ada panggilan masuk
Jika Ingin Menyembunyikan Caller ID maka ketik Huruf "T" pada serial Monitor dan Fitur Caller ID akan dinonaktifkan (default) dan Caller ID telefon masuk tidak akan ditampilkan


Posted On : Sunday, January 22, 2017Time : 10:11 PM
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