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1		-XWiki.Lu
	1	+XWiki.Edwin

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6	6
7	7	== What is LA66 LoRaWAN Module ==
8	8
9		-**Dragino LA66** is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRa and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to program, create and connect your things everywhere.
	9	+**Dragino LA66** is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
10	10
11		-**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
	11	+**LA66 **is a ready-to-use module that includes the LoRaWAN v1.0.4 protocol. The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk for developers to make a LoRaWAN End device. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
12	12
13		-**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
14	14
	14	+LA66 is equipped with **TCXO crystal** which ensures the module can achieve the stable performance in extreme temperatures.
15	15
16	16
	17	+**Each LA66 **module includes a world-unique OTAA key for LoRaWAN registration.
	18	+
	19	+
	20	+
17	17	== Specification ==
18	18
19	19	[[image:image-20220517072526-1.png]]
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168	168
169	169	== Example Send & Get Messages via LoRaWAN in PC ==
170	170
	175	+Connect the LA66 LoRa Shield to the PC
	176	+
	177	+[[image:image-20220602171217-1.png||height="615" width="915"]]
	178	+
	179	+Open the serial port tool
	180	+
	181	+[[image:image-20220602161617-8.png]]
	182	+
	183	+[[image:image-20220602161718-9.png||height="529" width="927"]]
	184	+
	185	+Press the reset switch RST on the LA66 LoRa Shield.
	186	+
	187	+The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
	188	+
	189	+[[image:image-20220602161935-10.png]]
	190	+
	191	+send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	192	+
	193	+example: AT+SENDB=01,02,8,05820802581ea0a5
	194	+
	195	+[[image:image-20220602162157-11.png]]
	196	+
	197	+Check to see if TTN received the message
	198	+
	199	+[[image:image-20220602162331-12.png||height="547" width="1044"]]
	200	+
171	171	== Example Send & Get Messages via LoRaWAN in RPi ==
172	172
173	173	Connect the LA66 LoRa Shield to the RPI
174	174
175		-[[image:image-20220602153333-4.png]]
	205	+[[image:image-20220602171233-2.png||height="592" width="881"]]
176	176
177	177	Log in to the RPI's terminal and connect to the serial port
178	178
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205	205
206	206	[[image:image-20220602143744-2.png]]
207	207
208		-=== Use AT Command to send an uplink message. ===
209		-
210	210	=== Send PC's CPU/RAM usage to TTN via script. ===
211	211
212	212	==== Take python as an example： ====
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213	213
214	214	===== Preconditions: =====
215	215
216		-1.LA66 LoRa Shield works fine
	244	+1.LA66 USB LoRaWAN Adapter works fine
217	217
218		-2.LA66 LoRa Shield is registered with TTN
	246	+2.LA66 USB LoRaWAN Adapter  is registered with TTN
219	219
220	220	===== Steps for usage =====
221	221
222		-1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
	250	+1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
223	223
224		-[[image:image-20220602114148-1.png]]
225		-
226	226	2.Run the script and see the TTN
227	227
228	228	[[image:image-20220602115852-3.png]]
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233	233
234	234
235	235	== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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	263	+

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