- arduino连接hc-05
- 不返回数据,就显示乱码是怎么回事呀?
#include <SoftwareSerial.h>
// Pin10接HC05的TXD
// Pin1接HC05的RXD
SoftwareSerial BT(10, 11);
char val;
void setup() {
Serial.begin(38400);
Serial.println("bluetooth is ready!");
BT.begin(38400);
}
void loop() {
if (Serial.available()) {
val = Serial.read();
BT.print(val);
}
if (BT.available()) {
val = BT.read();
Serial.print(val);
}
}