Grove Bluetooth problem

  1. Make sure that your Grove bluetooth(as slave) can be found ,waiting for connection.Which pin of arduino do you use to connect Grove bluetooth ,it that Rx Tx(hardserial) ? If it does , open the serial monitor .
  2. Use other bluetooth device connect to grove bluetooth. Example:a bluetooth device (use COM8) on your computer , use Bluetooth serial communication software choose COM8 and pair Grove bluetooth .
    Send message … the message will show on arduino IDE serial monitor.