Tanım
Vin : The supply voltage is applied from this pin. You can apply voltage between 4.5V and 30V. Recommended 7-12V when using with Arduino. The power supply you will use should be at least 1.5A. If you connect the Arduino only from the computer's USB port or if you use an adapter with an output smaller than 1.5A, the board will reset because it cannot receive enough current. 5V : Enter the voltage of the processor you are using from this pin to the gsm card. It is used for voltage adjustment between ports. S1 Button: It is used to open the modem manually. You should hold it down for about 1 second. (You can also open the modem with the program from the D7 pin of the arduino) Power Led : It lights up when energy is applied to the board. Net Led: Network status led lights up in different ways depending on the module's status. In this way, you can observe whether the modem is turned on or not and its connection to the network. Led Status Module Status Off Module not on 64ms on/800ms off Module on, not connected to network 64ms on/2000ms off Module on, network connected Antenna Connector: Female You can use any GSM antenna with SMA connector. TX : Modem Transmit Data RX : Modem Receive Data PWR : On Off It is connected in parallel to the button. It is used to turn the module on and off via the processor. To turn on the module, it is sufficient to make it High for 2 seconds and then Low. In the same way, to turn off the module, it is necessary to make High for 2 seconds and then Low.
Arduino Gsm Shield
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