GolamMostafa:
There are some undocumented conventions which are usually followed by microcontroller students. These are:Pin-1 refers to the physical pin of the microcontroller.
DPin-1 refers to the 'Digital Pin 1 on the UNO Connector.'pin 1(RX) -- actually it is DPin-1(TX). This connector pin takes signal from the Transmitter Section (hence TX) of the hardware UART Port of the MCU and transmits to an external device. The DPin-0 and DPin-1 are attached with the Serial Monitor via USB Port of the UNO/PC. Therefore, these two pins are not usually used for some other purposes. In case the need arises to use them as digital IO lines, the user removes wires/jumpers from these two pins before uploading the sketch. After uploading, the wires are put back.
If you want to operate Bluetooth device using this UART port which is occupied by the Serial Monitor, you will face some difficulties which can only be solved by an advanced learner. The novice users engage a software UART Port for the BT and other UART driven devices.
GolamMostafa:
There are some undocumented conventions which are usually followed by microcontroller students. These are:Pin-1 refers to the physical pin of the microcontroller.
DPin-1 refers to the 'Digital Pin 1 on the UNO Connector.'pin 1(RX) -- actually it is DPin-1(TX). This connector pin takes signal from the Transmitter Section (hence TX) of the hardware UART Port of the MCU and transmits to an external device. The DPin-0 and DPin-1 are attached with the Serial Monitor via USB Port of the UNO/PC. Therefore, these two pins are not usually used for some other purposes. In case the need arises to use them as digital IO lines, the user removes wires/jumpers from these two pins before uploading the sketch. After uploading, the wires are put back.
If you want to operate Bluetooth device using this UART port which is occupied by the Serial Monitor, you will face some difficulties which can only be solved by an advanced learner. The novice users engage a software UART Port for the BT and other UART driven devices.
I don't really get it mate, i'm kinda new so :v Could it be a problem with my arduino card? And if there's a way to change the first pin (1), i would like to know it because i'm in a hurry and i've to make this thing work, thanks in advance.