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Details

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Title

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1		-LA66 LoRaWAN Shield User Manual
	1	+LA66 LoRaWAN Module

Author

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1		-XWiki.Xiaoling
	1	+XWiki.Lu

Content

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1		-
	1	+0
2	2
3	3	**Table of Contents:**
4	4
...	...	@@ -6,15 +6,15 @@
6	6
7	7
8	8
	9	+= 1.  LA66 LoRaWAN Module =
9	9
10		-= 1.  LA66 LoRaWAN Shield =
11	11
	12	+== 1.1  What is LA66 LoRaWAN Module ==
12	12
13		-== 1.1  Overview ==
14	14
15		-
16	16	(((
17		-[[image:image-20220715000826-2.png||height="145" width="220"]]
	16	+(((
	17	+[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18	18	)))
19	19
20	20	(((
...	...	@@ -22,12 +22,13 @@
22	22	)))
23	23
24	24	(((
25		-(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
	25	+(% 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.
26	26	)))
	27	+)))
27	27
28	28	(((
29	29	(((
30		-(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 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.
	31	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 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.
31	31	)))
32	32	)))
33	33
...	...	@@ -35,10 +35,8 @@
35	35	(((
36	36	Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37	37	)))
38		-)))
39	39
40	40	(((
41		-(((
42	42	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.
43	43	)))
44	44	)))
...	...	@@ -53,12 +53,10 @@
53	53
54	54	== 1.2  Features ==
55	55
56		-
57		-* Arduino Shield base on LA66 LoRaWAN module
58	58	* Support LoRaWAN v1.0.4 protocol
59	59	* Support peer-to-peer protocol
60	60	* TCXO crystal to ensure RF performance on low temperature
61		-* SMA connector
	58	+* SMD Antenna pad and i-pex antenna connector
62	62	* Available in different frequency LoRaWAN frequency bands.
63	63	* World-wide unique OTAA keys.
64	64	* AT Command via UART-TTL interface
...	...	@@ -65,12 +65,8 @@
65	65	* Firmware upgradable via UART interface
66	66	* Ultra-long RF range
67	67
68		-
69		-
70		-
71	71	== 1.3  Specification ==
72	72
73		-
74	74	* CPU: 32-bit 48 MHz
75	75	* Flash: 256KB
76	76	* RAM: 64KB
...	...	@@ -89,111 +89,129 @@
89	89	* LoRa Rx current: <9 mA
90	90	* I/O Voltage: 3.3v
91	91
	85	+== 1.4  AT Command ==
92	92
93	93
	88	+AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
94	94
95		-== 1.4  Pin Mapping & LED ==
96	96
97	97
98		-[[image:image-20220814101457-1.png||height="553" width="761"]]
	92	+== 1.5  Dimension ==
99	99
100		-~1. The LED lights up red when there is an upstream data packet
101		-2. When the network is successfully connected, the green light will be on for 5 seconds
102		-3. Purple light on when receiving downlink data packets
	94	+[[image:image-20220718094750-3.png]]
103	103
104	104
105	105
106		-== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
	98	+== 1.6  Pin Mapping ==
107	107
	100	+[[image:image-20220720111850-1.png]]
108	108
109		-**Show connection diagram：**
110	110
111	111
112		-[[image:image-20220723170210-2.png||height="908" width="681"]]
	104	+== 1.7  Land Pattern ==
113	113
	106	+[[image:image-20220517072821-2.png]]
114	114
115	115
116		-(% style="color:blue" %)**1.  open Arduino IDE**
117	117
	110	+= 2.  LA66 LoRaWAN Shield =
118	118
119		-[[image:image-20220723170545-4.png]]
120	120
	113	+== 2.1  Overview ==
121	121
122	122
123		-(% style="color:blue" %)**2.  Open project**
	116	+(((
	117	+[[image:image-20220715000826-2.png||height="145" width="220"]]
	118	+)))
124	124
	120	+(((
	121	+
	122	+)))
125	125
126		-LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
	124	+(((
	125	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
	126	+)))
127	127
128		-[[image:image-20220726135239-1.png]]
	128	+(((
	129	+(((
	130	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 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.
	131	+)))
	132	+)))
129	129
	134	+(((
	135	+(((
	136	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	137	+)))
	138	+)))
130	130
131		-(% style="color:blue" %)**3.  Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload**
	140	+(((
	141	+(((
	142	+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.
	143	+)))
	144	+)))
132	132
133		-[[image:image-20220726135356-2.png]]
	146	+(((
	147	+(((
	148	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	149	+)))
	150	+)))
134	134
135	135
136		-(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
137	137
	154	+== 2.2  Features ==
138	138
139		-[[image:image-20220723172235-7.png||height="480" width="1027"]]
	156	+* Arduino Shield base on LA66 LoRaWAN module
	157	+* Support LoRaWAN v1.0.4 protocol
	158	+* Support peer-to-peer protocol
	159	+* TCXO crystal to ensure RF performance on low temperature
	160	+* SMA connector
	161	+* Available in different frequency LoRaWAN frequency bands.
	162	+* World-wide unique OTAA keys.
	163	+* AT Command via UART-TTL interface
	164	+* Firmware upgradable via UART interface
	165	+* Ultra-long RF range
140	140
	167	+== 2.3  Specification ==
141	141
	169	+* CPU: 32-bit 48 MHz
	170	+* Flash: 256KB
	171	+* RAM: 64KB
	172	+* Input Power Range: 1.8v ~~ 3.7v
	173	+* Power Consumption: < 4uA.
	174	+* Frequency Range: 150 MHz ~~ 960 MHz
	175	+* Maximum Power +22 dBm constant RF output
	176	+* High sensitivity: -148 dBm
	177	+* Temperature:
	178	+** Storage: -55 ~~ +125℃
	179	+** Operating: -40 ~~ +85℃
	180	+* Humidity:
	181	+** Storage: 5 ~~ 95% (Non-Condensing)
	182	+** Operating: 10 ~~ 95% (Non-Condensing)
	183	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	184	+* LoRa Rx current: <9 mA
	185	+* I/O Voltage: 3.3v
142	142
143		-== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
	187	+== 2.4  Pin Mapping & LED ==
144	144
145	145
146		-(% style="color:blue" %)**1.  Open project**
147	147
	191	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
148	148
149		-Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
150	150
151	151
152		-[[image:image-20220723172502-8.png]]
	195	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
153	153
154	154
155	155
156		-(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
	199	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
157	157
158	158
159		-[[image:image-20220723172938-9.png||height="652" width="1050"]]
160	160
	203	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
161	161
162	162
163		-== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
	206	+=== 2.8.1  Items needed for update ===
164	164
165		-
166		-(% style="color:blue" %)**1.  Open project**
167		-
168		-
169		-Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
170		-
171		-
172		-[[image:image-20220723173341-10.png||height="581" width="1014"]]
173		-
174		-
175		-
176		-(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
177		-
178		-
179		-[[image:image-20220723173950-11.png||height="665" width="1012"]]
180		-
181		-
182		-
183		-(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
184		-
185		-For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
186		-
187		-[[image:image-20220723175700-12.png||height="602" width="995"]]
188		-
189		-
190		-
191		-== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
192		-
193		-
194		-=== 1.8.1  Items needed for update ===
195		-
196		-
197	197	1. LA66 LoRaWAN Shield
198	198	1. Arduino
199	199	1. USB TO TTL Adapter
...	...	@@ -201,10 +201,9 @@
201	201	[[image:image-20220602100052-2.png||height="385" width="600"]]
202	202
203	203
	215	+=== 2.8.2  Connection ===
204	204
205		-=== 1.8.2  Connection ===
206	206
207		-
208	208	[[image:image-20220602101311-3.png||height="276" width="600"]]
209	209
210	210
...	...	@@ -227,11 +227,10 @@
227	227	[[image:image-20220602102240-4.png||height="304" width="600"]]
228	228
229	229
230		-
231	231	=== 2.8.3  Upgrade steps ===
232	232
233	233
234		-==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
	243	+==== 1.  Switch SW1 to put in ISP position ====
235	235
236	236
237	237	[[image:image-20220602102824-5.png||height="306" width="600"]]
...	...	@@ -238,7 +238,7 @@
238	238
239	239
240	240
241		-==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
	250	+==== 2.  Press the RST switch once ====
242	242
243	243
244	244	[[image:image-20220602104701-12.png||height="285" width="600"]]
...	...	@@ -245,7 +245,7 @@
245	245
246	246
247	247
248		-==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
	257	+==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
249	249
250	250
251	251	(((
...	...	@@ -304,22 +304,287 @@
304	304
305	305
306	306
307		-= 2.  FAQ =
	316	+= 3.  LA66 USB LoRaWAN Adapter =
308	308
309	309
310		-== 2.1  How to Compile Source Code for LA66? ==
	319	+== 3.1  Overview ==
311	311
312	312
313		-Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
	322	+[[image:image-20220715001142-3.png||height="145" width="220"]]
314	314
315	315
	325	+(((
	326	+(% style="color:blue" %)**LA66 USB LoRaWAN Adapter**(%%) is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
	327	+)))
316	316
317		-= 3.  Order Info =
	329	+(((
	330	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 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.
	331	+)))
318	318
	333	+(((
	334	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	335	+)))
319	319
320		-**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
	337	+(((
	338	+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.
	339	+)))
321	321
	341	+(((
	342	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	343	+)))
322	322
	345	+
	346	+
	347	+== 3.2  Features ==
	348	+
	349	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	350	+* Ultra-long RF range
	351	+* Support LoRaWAN v1.0.4 protocol
	352	+* Support peer-to-peer protocol
	353	+* TCXO crystal to ensure RF performance on low temperature
	354	+* Spring RF antenna
	355	+* Available in different frequency LoRaWAN frequency bands.
	356	+* World-wide unique OTAA keys.
	357	+* AT Command via UART-TTL interface
	358	+* Firmware upgradable via UART interface
	359	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
	360	+
	361	+== 3.3  Specification ==
	362	+
	363	+* CPU: 32-bit 48 MHz
	364	+* Flash: 256KB
	365	+* RAM: 64KB
	366	+* Input Power Range: 5v
	367	+* Frequency Range: 150 MHz ~~ 960 MHz
	368	+* Maximum Power +22 dBm constant RF output
	369	+* High sensitivity: -148 dBm
	370	+* Temperature:
	371	+** Storage: -55 ~~ +125℃
	372	+** Operating: -40 ~~ +85℃
	373	+* Humidity:
	374	+** Storage: 5 ~~ 95% (Non-Condensing)
	375	+** Operating: 10 ~~ 95% (Non-Condensing)
	376	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	377	+* LoRa Rx current: <9 mA
	378	+
	379	+== 3.4  Pin Mapping & LED ==
	380	+
	381	+
	382	+
	383	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
	384	+
	385	+
	386	+(((
	387	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	388	+)))
	389	+
	390	+
	391	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
	392	+
	393	+
	394	+[[image:image-20220723100027-1.png]]
	395	+
	396	+
	397	+Open the serial port tool
	398	+
	399	+[[image:image-20220602161617-8.png]]
	400	+
	401	+[[image:image-20220602161718-9.png||height="457" width="800"]]
	402	+
	403	+
	404	+
	405	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
	406	+
	407	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
	408	+
	409	+
	410	+[[image:image-20220602161935-10.png||height="498" width="800"]]
	411	+
	412	+
	413	+
	414	+(% style="color:blue" %)**3. See Uplink Command**
	415	+
	416	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	417	+
	418	+example: AT+SENDB=01,02,8,05820802581ea0a5
	419	+
	420	+[[image:image-20220602162157-11.png||height="497" width="800"]]
	421	+
	422	+
	423	+
	424	+(% style="color:blue" %)**4. Check to see if TTN received the message**
	425	+
	426	+[[image:image-20220602162331-12.png||height="420" width="800"]]
	427	+
	428	+
	429	+
	430	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
	431	+
	432	+
	433	+**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
	434	+
	435	+(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
	436	+
	437	+(% style="color:red" %)**Preconditions:**
	438	+
	439	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
	440	+
	441	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
	442	+
	443	+
	444	+
	445	+(% style="color:blue" %)**Steps for usage:**
	446	+
	447	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	448	+
	449	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
	450	+
	451	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
	452	+
	453	+
	454	+
	455	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
	456	+
	457	+
	458	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	459	+
	460	+
	461	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	462	+
	463	+[[image:image-20220723100439-2.png]]
	464	+
	465	+
	466	+
	467	+(% style="color:blue" %)**2. Install Minicom in RPi.**
	468	+
	469	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
	470	+
	471	+ (% style="background-color:yellow" %)**apt update**
	472	+
	473	+ (% style="background-color:yellow" %)**apt install minicom**
	474	+
	475	+
	476	+Use minicom to connect to the RPI's terminal
	477	+
	478	+[[image:image-20220602153146-3.png||height="439" width="500"]]
	479	+
	480	+
	481	+
	482	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	483	+
	484	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	485	+
	486	+
	487	+[[image:image-20220602154928-5.png||height="436" width="500"]]
	488	+
	489	+
	490	+
	491	+(% style="color:blue" %)**4. Send Uplink message**
	492	+
	493	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	494	+
	495	+example: AT+SENDB=01,02,8,05820802581ea0a5
	496	+
	497	+
	498	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	499	+
	500	+
	501	+
	502	+Check to see if TTN received the message
	503	+
	504	+[[image:image-20220602160627-7.png||height="369" width="800"]]
	505	+
	506	+
	507	+
	508	+== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
	509	+
	510	+=== 3.8.1 DRAGINO-LA66-APP ===
	511	+
	512	+[[image:image-20220723102027-3.png]]
	513	+
	514	+==== Overview： ====
	515	+
	516	+DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Module. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Module.
	517	+
	518	+View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
	519	+
	520	+==== Conditions of Use： ====
	521	+
	522	+Requires a type-c to USB adapter
	523	+
	524	+[[image:image-20220723104754-4.png]]
	525	+
	526	+==== Use of APP: ====
	527	+
	528	+Function and page introduction
	529	+
	530	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
	531	+
	532	+1.Display LA66 USB LoRaWAN Module connection status
	533	+
	534	+2.Check and reconnect
	535	+
	536	+3.Turn send timestamps on or off
	537	+
	538	+4.Display LoRaWan connection status
	539	+
	540	+5.Check LoRaWan connection status
	541	+
	542	+6.The RSSI value of the node when the ACK is received
	543	+
	544	+7.Node's Signal Strength Icon
	545	+
	546	+8.Set the packet sending interval of the node in seconds
	547	+
	548	+9.AT command input box
	549	+
	550	+10.Send AT command button
	551	+
	552	+11.Node log box
	553	+
	554	+12.clear log button
	555	+
	556	+13.exit button
	557	+
	558	+LA66 USB LoRaWAN Module not connected
	559	+
	560	+[[image:image-20220723110520-5.png||height="903" width="677"]]
	561	+
	562	+Connect LA66 USB LoRaWAN Module
	563	+
	564	+[[image:image-20220723110626-6.png||height="906" width="680"]]
	565	+
	566	+=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Module and integrate it into Node-RED ===
	567	+
	568	+1.Register LA66 USB LoRaWAN Module to TTNV3
	569	+
	570	+[[image:image-20220723134549-8.png]]
	571	+
	572	+2.Open Node-RED,And import the JSON file to generate the flow
	573	+
	574	+Sample JSON file please go to this link to download：放置JSON文件的链接
	575	+
	576	+For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
	577	+
	578	+The following is the positioning effect map
	579	+
	580	+[[image:image-20220723144339-1.png]]
	581	+
	582	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	583	+
	584	+The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method
	585	+
	586	+Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
	587	+
	588	+[[image:image-20220723150132-2.png]]
	589	+
	590	+
	591	+= 4.  Order Info =
	592	+
	593	+
	594	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	595	+
	596	+
323	323	(% style="color:blue" %)**XXX**(%%): The default frequency band
324	324
325	325	* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
...	...	@@ -332,10 +332,6 @@
332	332	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
333	333	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
334	334
	609	+= 5.  Reference =
335	335
336		-
337		-
338		-= 4.  Reference =
339		-
340		-
341		-* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
	611	+* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]

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