GemTek Technology WMDD209A Users manual

WMDD-209A LoRa Module User

Manual

Version : 1.0.2

Release History

Release date

Release version

Main Delta

Arthur

2017/04/24

1.0.1

1. Initialize the document

Owen Hsu

2017/09/15

1.0.2

1. Hardware design
change

Owen Hsu

1. Hardware Figure

The following are the hardware picture and its pin definition.

(Figure 1)

Before using the module, you must have power supply, you can have a power supply by
connecting usb.

After power on, the user can access the module by AT command.
In WMDD-209A, the user have to use UART to send / receive data to / from the node
You can refer to the following pic and figure 2 to connect UART for using the console.