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1		-XWiki.Edwin
	1	+XWiki.Lu

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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 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.
	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.
10	10
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.
	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.
12	12
	13	+**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
13	13
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		-
21	21	== Specification ==
22	22
23	23	[[image:image-20220517072526-1.png]]
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172	172
173	173	== Example Send & Get Messages via LoRaWAN in PC ==
174	174
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		-
201	201	== Example Send & Get Messages via LoRaWAN in RPi ==
202	202
203	203	Connect the LA66 LoRa Shield to the RPI
204	204
205		-[[image:image-20220602171233-2.png||height="592" width="881"]]
	175	+[[image:image-20220602153333-4.png]]
206	206
207	207	Log in to the RPI's terminal and connect to the serial port
208	208
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235	235
236	236	[[image:image-20220602143744-2.png]]
237	237
	208	+=== Use AT Command to send an uplink message. ===
	209	+
238	238	=== Send PC's CPU/RAM usage to TTN via script. ===
239	239
240	240	==== Take python as an example： ====
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241	241
242	242	===== Preconditions: =====
243	243
244		-1.LA66 USB LoRaWAN Adapter works fine
	216	+1.LA66 LoRa Shield works fine
245	245
246		-2.LA66 USB LoRaWAN Adapter  is registered with TTN
	218	+2.LA66 LoRa Shield is registered with TTN
247	247
248	248	===== Steps for usage =====
249	249
250		-1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	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
251	251
	224	+[[image:image-20220602114148-1.png]]
	225	+
252	252	2.Run the script and see the TTN
253	253
254	254	[[image:image-20220602115852-3.png]]
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259	259
260	260
261	261	== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
262		-
263		-

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