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/* HC-05 needs connect "EN" to Pin 6
* AT return OK
* AT+VERSION get version
* AT+NAME=xxx xxx is new name.
* HC-05 RX connects to Arduino Pin 11, HC-05 的RX 接到Arduino Pin 11
* HC-05 TX connects to Arduino Pin 11, HC-05 的TX 接到Arduino Pin 10
*/
#include <SoftwareSerial.h>
SoftwareSerial BT(10, 11); // RX 10 , TX 11
char val;
void setup() {
Serial.begin(9600); // 與電腦序列埠連線
Serial.println("BT is execution!");
// HC-05 is 38400 BPS and "Both NL & CR", 如果是HC-05，請改成38400
// HC-06 is 9600 BPS and "No line ending", 如果是HC-06，請改成9600
BT.begin(38400);
}
void loop() {
if (Serial.available()) {
val = Serial.read();
BT.print(val);
}
if (BT.available()) {
val = BT.read();
Serial.print(val);
}
}
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