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Serial.begin(115200); Serial.println("Hello World");

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Hello World IDE

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void setup() {     // put your setup code here, to run once:     Serial.begin(115200);     Serial.println("Type me a number"); } void loop() {     // put your main code here, to run repeatedly:     char nChar = 0;     if (Serial.available() > 0) {         nChar = Serial.read();         if(isDigit(nChar)){             Serial.print("Number received: ");             Serial.println(nChar);             Serial.print("In binary: ");             Serial.println(nChar - 48, BIN);             Serial.println("Send me another");         } else {             Serial.println("Did not look like a number");         }     } }

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void loop() {     // put your main code here, to run repeatedly:     char nChar = 0;     if (Serial.available() > 0) {         nChar = Serial.read();         //if(isDigit(nChar)){             Serial.print("Number received: ");             Serial.println(nChar);             Serial.print("In binary: ");             Serial.println(nChar - 48, BIN);             Serial.println("Send me another");      // } else {      //     Serial.println("Did not look like a number");         //}     } }