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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	+(% 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.
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	+(% 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.
12	12
13		-**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
	13	+Each LA66 module includes a (% style="color:blue" %)**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.
15	15
	17	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
16	16
17		-== Specification ==
18	18
19		-[[image:image-20220517072526-1.png]]
	20	+== Features ==
20	20
21		-Input Power Range: 1.8v ~~ 3.7v
22	22
23		-Power Consumption: < 4uA.
24	24
25		-Frequency Range: 150 MHz ~~ 960 MHz
	24	+== Specification ==
26	26
27		-Maximum Power +22 dBm constant RF output
	26	+* Input Power Range: 1.8v ~~ 3.7v
	27	+* Power Consumption: < 4uA.
	28	+* Frequency Range: 150 MHz ~~ 960 MHz
	29	+* Maximum Power +22 dBm constant RF output
	30	+* High sensitivity: -148 dBm
	31	+* Temperature:
	32	+** Storage: -55 ~~ +125℃
	33	+** Operating: -40 ~~ +85℃
	34	+* Humidity:
	35	+** Storage: 5 ~~ 95% (Non-Condensing)
	36	+** Operating: 10 ~~ 95% (Non-Condensing)
	37	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	38	+* LoRa Rx current: <9 mA
	39	+* I/O Voltage: 3.3v
28	28
29		-High sensitivity: -148 dBm
	41	+== AT Command ==
30	30
31		-Temperature:
	43	+AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
32	32
33		-* Storage: -55 ~~ +125℃
34		-* Operating: -40 ~~ +85℃
35	35
36		-Humidity:
	46	+== Dimension ==
37	37
38		-* Storage: 5 ~~ 95% (Non-Condensing)
39		-* Operating: 10 ~~ 95% (Non-Condensing)
	48	+[[image:image-20220517072526-1.png]]
40	40
41		-LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
42	42
43		-LoRa Rx current: <9 mA
44		-
45		-I/O Voltage: 3.3v
46		-
47		-
48		-== AT Command ==
49		-
50		-AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
51		-
52		-
53	53	== Pin Mapping ==
54	54
55	55	[[image:image-20220523101537-1.png]]
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168	168
169	169	== Example Send & Get Messages via LoRaWAN in PC ==
170	170
	169	+Connect the LA66 LoRa Shield to the PC
	170	+
	171	+[[image:image-20220602171217-1.png||height="615" width="915"]]
	172	+
	173	+Open the serial port tool
	174	+
	175	+[[image:image-20220602161617-8.png]]
	176	+
	177	+[[image:image-20220602161718-9.png||height="529" width="927"]]
	178	+
	179	+Press the reset switch RST on the LA66 LoRa Shield.
	180	+
	181	+The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
	182	+
	183	+[[image:image-20220602161935-10.png]]
	184	+
	185	+send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	186	+
	187	+example: AT+SENDB=01,02,8,05820802581ea0a5
	188	+
	189	+[[image:image-20220602162157-11.png]]
	190	+
	191	+Check to see if TTN received the message
	192	+
	193	+[[image:image-20220602162331-12.png||height="547" width="1044"]]
	194	+
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]]
	199	+[[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
	238	+1.LA66 USB LoRaWAN Adapter works fine
217	217
218		-2.LA66 LoRa Shield is registered with TTN
	240	+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
	244	+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 ==
	256	+
	257	+

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