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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		-(% style="color:blue" %)**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		-(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**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 to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. 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 (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	13	+**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
14	14
15		-Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
16	16
17		-LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
18	18
19		-== Features ==
20		-
21		-
22	22	== Specification ==
23	23
24	24	[[image:image-20220517072526-1.png]]
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173	173
174	174	== Example Send & Get Messages via LoRaWAN in PC ==
175	175
176		-Connect the LA66 LoRa Shield to the PC
177		-
178		-[[image:image-20220602171217-1.png||height="615" width="915"]]
179		-
180		-Open the serial port tool
181		-
182		-[[image:image-20220602161617-8.png]]
183		-
184		-[[image:image-20220602161718-9.png||height="529" width="927"]]
185		-
186		-Press the reset switch RST on the LA66 LoRa Shield.
187		-
188		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
189		-
190		-[[image:image-20220602161935-10.png]]
191		-
192		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
193		-
194		-example: AT+SENDB=01,02,8,05820802581ea0a5
195		-
196		-[[image:image-20220602162157-11.png]]
197		-
198		-Check to see if TTN received the message
199		-
200		-[[image:image-20220602162331-12.png||height="547" width="1044"]]
201		-
202	202	== Example Send & Get Messages via LoRaWAN in RPi ==
203	203
204	204	Connect the LA66 LoRa Shield to the RPI
205	205
206		-[[image:image-20220602171233-2.png||height="592" width="881"]]
	175	+[[image:image-20220602153333-4.png]]
207	207
208	208	Log in to the RPI's terminal and connect to the serial port
209	209
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236	236
237	237	[[image:image-20220602143744-2.png]]
238	238
	208	+=== Use AT Command to send an uplink message. ===
	209	+
239	239	=== Send PC's CPU/RAM usage to TTN via script. ===
240	240
241	241	==== Take python as an example： ====
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242	242
243	243	===== Preconditions: =====
244	244
245		-1.LA66 USB LoRaWAN Adapter works fine
	216	+1.LA66 LoRa Shield works fine
246	246
247		-2.LA66 USB LoRaWAN Adapter  is registered with TTN
	218	+2.LA66 LoRa Shield is registered with TTN
248	248
249	249	===== Steps for usage =====
250	250
251		-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
252	252
	224	+[[image:image-20220602114148-1.png]]
	225	+
253	253	2.Run the script and see the TTN
254	254
255	255	[[image:image-20220602115852-3.png]]
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260	260
261	261
262	262	== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
263		-
264		-

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