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- void setup()
- {
- Serial.begin(9600);
- }
- void loop()
- {
- String Envio;
- char mess[100];
- char Matriz[9];
- double variable = 500;
- Envio = "R$ ";
- dtostrf(variable, 6, 2, mess);
- Envio += mess;
- Envio.toCharArray(Matriz, 9);
- Serial.println(Matriz);
- }
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