well arduino ide is weird

main/main.ino

@@ -128,12 +128,12 @@ void loop() {
 				Serial.print("password> ");
 			}
 
-			while (Serial.available() > 0) {
+			if (Serial.available()) {
 				char c = Serial.read();
+				
 				readString += c;
-			}
 
-			if (readString.length() > 0) {
+				if (c == '\n') {
 					Serial.println(readString);
 
 					if (readString == pass) {
@@ -148,6 +148,7 @@ void loop() {
 					readString		 = "";
 					waitingForPass = 0;
 				}
+			}
 
 			currentMillis = millis();