Hello
I want to set SIM800L to sleep mode as picture but device not turn on sleep mode
i tried to send command "AT+CSCLK=1" and D4 to DTR pin is Hign for sleep mode when i measure current it's not stable is swing 90,70,20,12 ,60 mamp. I don't know why it don't sleep mode.
could you advise me, thank you.
Void setup(){
pinMode(4, OUTPUT);//=> connect to DTR pin
Serial.begin(4800);Serial.println("AT+CGATT?");
delay(100);
Serial.println("AT+SAPBR=3,1,"CONTYPE","GPRS"");
delay(2000);
Serial.println("AT+SAPBR=3,1,"APN","internet"");
delay(2000);
Serial.println("AT+SAPBR=1,1");
delay(2000);}
void loop()
{digitalWrite(4, LOW);// out off sleep mode
delay(2000);
Serial.println("AT+HTTPINIT");
delay(1000);Serial.println("AT+HTTPPARA="URL","http://www.MyGPS/add.php?latitude="+String(Lats)+"&&longitude="+String(Longs))
delay(1000);
Serial.println("AT+HTTPACTION=0");
delay(1000);
Serial.println("AT+HTTPREAD");
delay(1000);
Serial.println("");
Serial.println("AT+HTTPTERM");
delay(1000);
Serial.println("");
delay(500);
Serial.println("AT+CSCLK=1");//AT+CSCLK=2
delay(200);
digitalWrite(4, HIGH);// enter to sleep mode 10 second
delay(10000);
}