<SoftwareSerial.h> SoftwareSerial mySerial(9, 10); String textMessage;

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41

@jester_salivio
try this code
void loop() {

textMessage="";
if(mySerial.available()>0){
textMessage = mySerial.readString();

delay(10);


if(textMessage.length()>0)
{
textMessage=textMessage.substring(textMessage.indexOf(“+CMT”));
textMessage=textMessage.substring(textMessage.indexOf(“\n”)));
textMessage.replace("\n","");

Serial.print(textMessage);
matrix->fillScreen(0);
matrix->setCursor(1, 1);
matrix->print(textMessage);

matrix->setTextColor(colors[pass]);

matrix->show();
delay(300);
}

}

}

42

@Yves_BAZIN thank you man it’s finally work . Can you explain the codes to me , I’m not good at programming I’m only searching a code and understand every logic behind it . Thanks again man :slight_smile: :slight_smile:
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43

@Yves_BAZIN hey bro , i have a problem . I’m trying to build now this project that you helped me before with a 900 RGB LED but my arduino said that low memory available , I saw your built projects with many RGB LED strip how you’d overcome this problem ?