i use arduino mega 2560 and BT JY- MCU. i connect to the BT with my android divece but the arduino not response unless it connect to the PC. the code is really simple one - maybe it becouse i use: "char input = Serial.read();"
please help...
i use arduino mega 2560 and BT JY- MCU. i connect to the BT with my android divece but the arduino not response unless it connect to the PC. the code is really simple one - maybe it becouse i use: "char input = Serial.read();"
please help...