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	1	+= **Introduction:** =
	2	+
	3	+M.2 to USB Adapter is used to fast debug the NB-ST and LoRa-ST module from Dragino.
	4	+
	5	+[[image:image-20230407170900-3.png]]
	6	+
	7	+
	8	+== **Install Driver** ==
	9	+
	10	+The USB TTL Chip of the adapter is CP1202. User need to install driver for CP2101 in PC first.
	11	+
	12	+Reference download link: [[https:~~/~~/www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers >>https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers]]
	13	+
	14	+
	15	+== **Install Driver** ==
	16	+
	17	+Take out LoRa ST or NB-ST from Dragino products such as NBSN95 or LSN50v2. Put the module in the M.2 to USB adapter.
	18	+
	19	+
	20	+== **Test NB-ST & AT Commands** ==
	21	+
	22	+* Put the swith to **RUN** position and plug in PC.
	23	+* Set correct baudrate in the serial tool of PC and you will be able to see output from the module and able to send AT Commands.
	24	+
	25	+Notice, the baudrate depends on the module firmware, please refer the specify device user manual page.
	26	+
	27	+
	28	+== **Update firmware of NB-ST** ==
	29	+
	30	+* Put the swith to **ISP** position and plug in PC.
	31	+* Follow the [[UART update Steps>>http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.2UpgradeSteps]] to update the firmware.
	32	+
	33	+Notice: The update only support LoRaST v3.x and NB-ST module.
	34	+
	35	+
	36	+== **Circuit for the adapter** ==
	37	+
	38	+[[image:image-20230407172025-4.png]]
	39	+