SIM800c GSM
i have problem sim800c gsm module cannot send @ commands here setup code:
#include <softwareserial.h>
//sim800 tx connected arduino d8
#define sim800_tx_pin 8
//sim800 rx connected arduino d7
#define sim800_rx_pin 7
//create software serial object communicate sim800
softwareserial serialsim800(sim800_tx_pin,sim800_rx_pin);
void setup() {
//begin serial comunication arduino , arduino ide (serial monitor)
serial.begin(9600);
while(!serial);
//being serial communication witj arduino , sim800
serialsim800.begin(9600);
delay(1000);
serial.println("setup complete!");
serial.println("sending sms...");
//set sms format ascii
serialsim800.write("at+cmgf=1\r\n");
delay(1000);
//send new sms command , message number
serialsim800.write("at+cmgs=\"+6390xxxxxxxx\"\r\n");
delay(1000);
//send sms content
serialsim800.write("test");
delay(1000);
//send ctrl+z / esc denote sms message complete
serialsim800.write((char)26);
delay(1000);
serial.println("sms sent!");
}
void loop() {
}
#include <softwareserial.h>
//sim800 tx connected arduino d8
#define sim800_tx_pin 8
//sim800 rx connected arduino d7
#define sim800_rx_pin 7
//create software serial object communicate sim800
softwareserial serialsim800(sim800_tx_pin,sim800_rx_pin);
void setup() {
//begin serial comunication arduino , arduino ide (serial monitor)
serial.begin(9600);
while(!serial);
//being serial communication witj arduino , sim800
serialsim800.begin(9600);
delay(1000);
serial.println("setup complete!");
serial.println("sending sms...");
//set sms format ascii
serialsim800.write("at+cmgf=1\r\n");
delay(1000);
//send new sms command , message number
serialsim800.write("at+cmgs=\"+6390xxxxxxxx\"\r\n");
delay(1000);
//send sms content
serialsim800.write("test");
delay(1000);
//send ctrl+z / esc denote sms message complete
serialsim800.write((char)26);
delay(1000);
serial.println("sms sent!");
}
void loop() {
}
i'm pretty sure device sends response every @ command. why ignoring responses?
Arduino Forum > Using Arduino > Networking, Protocols, and Devices (Moderator: fabioc84) > SIM800c GSM
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