Changes for page LA66 USB LoRaWAN Adapter User Manual

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1		-LA66 USB LoRaWAN Adapter User Manual
	1	+LA66 LoRaWAN Module

Content

...	...	@@ -6,25 +6,34 @@
6	6
7	7
8	8
	9	+= 1.  LA66 LoRaWAN Module =
9	9
10	10
11		-= 1.  LA66 USB LoRaWAN Adapter =
	12	+== 1.1  What is LA66 LoRaWAN Module ==
12	12
13		-== 1.1  Overview ==
14	14
	15	+(((
	16	+(((
	17	+[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
	18	+)))
15	15
16		-[[image:image-20220715001142-3.png||height="194" width="294"]][[image:image-20240101111030-2.png]]
	20	+(((
	21	+
	22	+)))
17	17
18		-
19	19	(((
20		-(% 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.
	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.
21	21	)))
	27	+)))
22	22
23	23	(((
	30	+(((
24	24	(% 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.
25	25	)))
	33	+)))
26	26
27	27	(((
	36	+(((
28	28	Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
29	29	)))
30	30
...	...	@@ -31,34 +31,35 @@
31	31	(((
32	32	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.
33	33	)))
	43	+)))
34	34
35	35	(((
	46	+(((
36	36	LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
37	37	)))
	49	+)))
38	38
39	39
	52	+
40	40	== 1.2  Features ==
41	41
42		-
43		-* LoRaWAN USB adapter base on LA66 LoRaWAN module
44		-* Ultra-long RF range
45		-* Support LoRaWAN v1.0.3 protocol
	55	+* Support LoRaWAN v1.0.4 protocol
46	46	* Support peer-to-peer protocol
47	47	* TCXO crystal to ensure RF performance on low temperature
48		-* Spring RF antenna
	58	+* SMD Antenna pad and i-pex antenna connector
49	49	* Available in different frequency LoRaWAN frequency bands.
50	50	* World-wide unique OTAA keys.
51	51	* AT Command via UART-TTL interface
52	52	* Firmware upgradable via UART interface
53		-* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
	63	+* Ultra-long RF range
54	54
55	55	== 1.3  Specification ==
56	56
57		-
58	58	* CPU: 32-bit 48 MHz
59	59	* Flash: 256KB
60	60	* RAM: 64KB
61		-* Input Power Range: 5v
	70	+* Input Power Range: 1.8v ~~ 3.7v
	71	+* Power Consumption: < 4uA.
62	62	* Frequency Range: 150 MHz ~~ 960 MHz
63	63	* Maximum Power +22 dBm constant RF output
64	64	* High sensitivity: -148 dBm
...	...	@@ -70,455 +70,654 @@
70	70	** Operating: 10 ~~ 95% (Non-Condensing)
71	71	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
72	72	* LoRa Rx current: <9 mA
	83	+* I/O Voltage: 3.3v
73	73
74		-== 1.4  Pin Mapping & LED ==
	85	+== 1.4  AT Command ==
75	75
76	76
77		-[[image:image-20220813183239-3.png||height="526" width="662"]]
	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.
78	78
79	79
80		-== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
81	81
	92	+== 1.5  Dimension ==
82	82
	94	+[[image:image-20220718094750-3.png]]
	95	+
	96	+
	97	+
	98	+== 1.6  Pin Mapping ==
	99	+
	100	+[[image:image-20220720111850-1.png]]
	101	+
	102	+
	103	+
	104	+== 1.7  Land Pattern ==
	105	+
	106	+[[image:image-20220517072821-2.png]]
	107	+
	108	+
	109	+
	110	+= 2.  LA66 LoRaWAN Shield =
	111	+
	112	+
	113	+== 2.1  Overview ==
	114	+
	115	+
83	83	(((
84		-Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	117	+[[image:image-20220715000826-2.png||height="145" width="220"]]
85	85	)))
86	86
87		-(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
	120	+(((
	121	+
	122	+)))
88	88
89		-[[image:image-20220723100027-1.png]]
	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	+)))
90	90
	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	+)))
91	91
92		-Open the serial port tool
	134	+(((
	135	+(((
	136	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	137	+)))
	138	+)))
93	93
94		-[[image:image-20220602161617-8.png]]
	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	+)))
95	95
	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	+)))
96	96
97		-[[image:image-20220602161718-9.png||height="457" width="800"]]
98	98
99	99
100		-(% style="color:blue" %)**2. Press the reset switch RST on the LA66_V1 USB LoRaWAN Adapter to reset it.（You do not need to reset the LA66 V2 USB LoRaWAN Adapter.）**
	154	+== 2.2  Features ==
101	101
102		-The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
	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
103	103
104		-[[image:image-20220602161935-10.png||height="498" width="800"]]
	167	+== 2.3  Specification ==
105	105
	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
106	106
107		-(% style="color:blue" %)**3. See Uplink Command**
	187	+== 2.4  LED ==
108	108
109		-Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
110	110
111		-example: AT+SENDB=01,02,8,05820802581ea0a5
	190	+~1. The LED lights up red when there is an upstream data packet
	191	+2. When the network is successfully connected, the green light will be on for 5 seconds
	192	+3. Purple light on when receiving downlink data packets
112	112
113		-[[image:image-20220602162157-11.png||height="497" width="800"]]
114	114
115	115
116		-(% style="color:blue" %)**5.  Check to see if TTN received the message**
	196	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
117	117
118		-[[image:image-20220817093644-1.png]]
119	119
	199	+**Show connection diagram：**
120	120
121		-== 1.6  Example: How to join helium ==
122	122
	202	+[[image:image-20220723170210-2.png||height="908" width="681"]]
123	123
124		-(% style="color:blue" %)**1.  Create a new device.**
125	125
126		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165500-1.png?width=940&height=464&rev=1.1||alt="image-20220907165500-1.png"]]
127	127
	206	+(% style="color:blue" %)**1.  open Arduino IDE**
128	128
129		-(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
130	130
131		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165837-2.png?width=809&height=375&rev=1.1||alt="image-20220907165837-2.png" height="375" width="809"]]
	209	+[[image:image-20220723170545-4.png]]
132	132
133	133
134		-(% style="color:blue" %)**3.  Use AT commands.**
135	135
136		-[[image:image-20220909151441-1.jpeg||height="695" width="521"]]
	213	+(% style="color:blue" %)**2.  Open project**
137	137
138	138
139		-(% style="color:blue" %)**4.  Use the serial port tool**
	216	+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]]
140	140
141		-[[image:image-20220909151517-2.png||height="543" width="708"]]
	218	+[[image:image-20220726135239-1.png]]
142	142
143	143
144		-(% style="color:blue" %)**5.  Use command AT+CFG to get device configuration**
	221	+(% 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**
145	145
146		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170308-3.png?width=617&height=556&rev=1.1||alt="image-20220907170308-3.png" height="556" width="617"]]
	223	+[[image:image-20220726135356-2.png]]
147	147
148	148
149		-(% style="color:blue" %)**6.  Network successfully.**
	226	+(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
150	150
151		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170436-4.png?rev=1.1||alt="image-20220907170436-4.png"]]
152	152
	229	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
153	153
154		-(% style="color:blue" %)**7.  Send uplink using command**
155	155
156		-[[image:image-20220912085244-1.png]]
157	157
158		-[[image:image-20220912085307-2.png]]
	233	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
159	159
160	160
161		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170744-6.png?width=798&height=242&rev=1.1||alt="image-20220907170744-6.png" height="242" width="798"]]
	236	+(% style="color:blue" %)**1.  Open project**
162	162
163	163
164		-== 1.7  Example: Send PC's CPU/RAM usage to TTN via python ==
	239	+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]]
165	165
166	166
167		-**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]]
	242	+[[image:image-20220723172502-8.png]]
168	168
169		-(**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]])
170	170
171	171
172		-(% style="color:red" %)**Preconditions:**
	246	+(% 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**
173	173
174		-(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
175	175
176		-(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
	249	+[[image:image-20220723172938-9.png||height="652" width="1050"]]
177	177
178	178
179		-(% style="color:blue" %)**Steps for usage:**
180	180
181		-(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	253	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
182	182
183		-(% style="color:blue" %)**2.**(%%) Add [[decoder>>https://github.com/dragino/dragino-end-node-decoder/tree/main/LA66%20USB]] on TTN
184	184
185		-(% style="color:blue" %)**3.**(%%) Run the python script in PC and see the TTN
	256	+(% style="color:blue" %)**1.  Open project**
186	186
187	187
188		-[[image:image-20220602115852-3.png||height="450" width="1187"]]
	259	+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]]
189	189
190	190
191		-== 1.8  Example: Send & Get Messages via LoRaWAN in RPi ==
	262	+[[image:image-20220723173341-10.png||height="581" width="1014"]]
192	192
193	193
194		-Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
195	195
196		-(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	266	+(% 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**
197	197
198		-[[image:image-20220723100439-2.png]]
199	199
	269	+[[image:image-20220723173950-11.png||height="665" width="1012"]]
200	200
201		-(% style="color:blue" %)**2.  Install Minicom in RPi.**
202	202
203		-(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
204	204
205		- (% style="background-color:yellow" %)**apt update**
	273	+(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
206	206
207		- (% style="background-color:yellow" %)**apt install minicom**
	275	+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/]]
208	208
209		-Use minicom to connect to the RPI's terminal
	277	+[[image:image-20220723175700-12.png||height="602" width="995"]]
210	210
211		-[[image:image-20220602153146-3.png||height="439" width="500"]]
212	212
213	213
214		-(% style="color:blue" %)**3.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	281	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
215	215
216		-The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
217	217
218		-[[image:image-20220602154928-5.png||height="436" width="500"]]
	284	+=== 2.8.1  Items needed for update ===
219	219
220	220
221		-(% style="color:blue" %)**4.  Send Uplink message**
	287	+1. LA66 LoRaWAN Shield
	288	+1. Arduino
	289	+1. USB TO TTL Adapter
222	222
223		-Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	291	+[[image:image-20220602100052-2.png||height="385" width="600"]]
224	224
225		-example: AT+SENDB=01,02,8,05820802581ea0a5
226	226
227		-[[image:image-20220602160339-6.png||height="517" width="600"]]
	294	+=== 2.8.2  Connection ===
228	228
229	229
230		-Check to see if TTN received the message
	297	+[[image:image-20220602101311-3.png||height="276" width="600"]]
231	231
232	232
233		-[[image:image-20220602160627-7.png||height="369" width="800"]]
	300	+(((
	301	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	302	+)))
234	234
	304	+(((
	305	+(% style="background-color:yellow" %)**GND  <-> GND
	306	+TXD  <->  TXD
	307	+RXD  <->  RXD**
	308	+)))
235	235
236		-== 1.9  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
237	237
238		-=== 1.9.1  Hardware and Software Connection ===
	311	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
239	239
	313	+Connect USB TTL Adapter to PC after connecting the wires
240	240
241		-(% class="wikigeneratedid" id="HOverviewFF1A" %)
242		-(% style="color:blue" %)**Overview：**
243	243
	316	+[[image:image-20220602102240-4.png||height="304" width="600"]]
	317	+
	318	+
	319	+=== 2.8.3  Upgrade steps ===
	320	+
	321	+
	322	+==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
	323	+
	324	+
	325	+[[image:image-20220602102824-5.png||height="306" width="600"]]
	326	+
	327	+
	328	+
	329	+==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
	330	+
	331	+
	332	+[[image:image-20220602104701-12.png||height="285" width="600"]]
	333	+
	334	+
	335	+
	336	+==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
	337	+
	338	+
244	244	(((
245		-DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
	340	+(% style="color:blue" %)**1. Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]**
	341	+)))
246	246
247		-* Send real-time location information of mobile phone to LoRaWAN network.
248		-* Check LoRaWAN network signal strengh.
249		-* Manually send messages to LoRaWAN network.
	343	+
	344	+[[image:image-20220602103227-6.png]]
	345	+
	346	+
	347	+[[image:image-20220602103357-7.png]]
	348	+
	349	+
	350	+
	351	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	352	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	353	+
	354	+
	355	+[[image:image-20220602103844-8.png]]
	356	+
	357	+
	358	+
	359	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	360	+(% style="color:blue" %)**3. Select the bin file to burn**
	361	+
	362	+
	363	+[[image:image-20220602104144-9.png]]
	364	+
	365	+
	366	+[[image:image-20220602104251-10.png]]
	367	+
	368	+
	369	+[[image:image-20220602104402-11.png]]
	370	+
	371	+
	372	+
	373	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	374	+(% style="color:blue" %)**4. Click to start the download**
	375	+
	376	+[[image:image-20220602104923-13.png]]
	377	+
	378	+
	379	+
	380	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	381	+(% style="color:blue" %)**5. Check update process**
	382	+
	383	+
	384	+[[image:image-20220602104948-14.png]]
	385	+
	386	+
	387	+
	388	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	389	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	390	+
	391	+[[image:image-20220602105251-15.png]]
	392	+
	393	+
	394	+
	395	+= 3.  LA66 USB LoRaWAN Adapter =
	396	+
	397	+
	398	+== 3.1  Overview ==
	399	+
	400	+
	401	+[[image:image-20220715001142-3.png||height="145" width="220"]]
	402	+
	403	+
	404	+(((
	405	+(% 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.
250	250	)))
251	251
	408	+(((
	409	+(% 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.
	410	+)))
252	252
	412	+(((
	413	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	414	+)))
253	253
254		-(% class="wikigeneratedid" id="HHardwareConnection:" %)
255		-(% style="color:blue" %)**Hardware Connection:**
	416	+(((
	417	+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.
	418	+)))
256	256
257		-A USB to Type-C adapter is needed to connect to a Mobile phone.
	420	+(((
	421	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	422	+)))
258	258
259		-(% style="color:red" %)**Note: The package of LA66 USB adapter already includes this USB Type-C adapter.**
260	260
261		-[[image:image-20220813174353-2.png||height="360" width="313"]]
262	262
	426	+== 3.2  Features ==
263	263
264		-(% class="wikigeneratedid" id="HDownloadandInstallApp:" %)
265		-(% style="color:blue" %)**Download and Install App:**
	428	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	429	+* Ultra-long RF range
	430	+* Support LoRaWAN v1.0.4 protocol
	431	+* Support peer-to-peer protocol
	432	+* TCXO crystal to ensure RF performance on low temperature
	433	+* Spring RF antenna
	434	+* Available in different frequency LoRaWAN frequency bands.
	435	+* World-wide unique OTAA keys.
	436	+* AT Command via UART-TTL interface
	437	+* Firmware upgradable via UART interface
	438	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
266	266
267		-[[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]].  (Android Version Only)
	440	+== 3.3  Specification ==
268	268
269		-[[image:image-20220813173738-1.png]]
	442	+* CPU: 32-bit 48 MHz
	443	+* Flash: 256KB
	444	+* RAM: 64KB
	445	+* Input Power Range: 5v
	446	+* Frequency Range: 150 MHz ~~ 960 MHz
	447	+* Maximum Power +22 dBm constant RF output
	448	+* High sensitivity: -148 dBm
	449	+* Temperature:
	450	+** Storage: -55 ~~ +125℃
	451	+** Operating: -40 ~~ +85℃
	452	+* Humidity:
	453	+** Storage: 5 ~~ 95% (Non-Condensing)
	454	+** Operating: 10 ~~ 95% (Non-Condensing)
	455	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	456	+* LoRa Rx current: <9 mA
270	270
	458	+== 3.4  Pin Mapping & LED ==
271	271
272		-(% class="wikigeneratedid" id="HUseofAPP:" %)
273		-(% style="color:blue" %)**Use of APP:**
274	274
275		-Function and page introduction:
276	276
277		-[[image:image-20220723113448-7.png||height="911" width="412"]]
	462	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
278	278
279	279
280		-(% style="color:blue" %)**Block Explain:**
	465	+(((
	466	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	467	+)))
281	281
282		-1.  Display LA66 USB LoRaWAN Module connection status
283	283
284		-2.  Check and reconnect
	470	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
285	285
286		-3.  Turn send timestamps on or off
287	287
288		-4.  Display LoRaWan connection status
	473	+[[image:image-20220723100027-1.png]]
289	289
290		-5.  Check LoRaWan connection status
291	291
292		-6.  The RSSI value of the node when the ACK is received
	476	+Open the serial port tool
293	293
294		-7.  Node's Signal Strength Icon
	478	+[[image:image-20220602161617-8.png]]
295	295
296		-8.  Configure Location Uplink Interval
	480	+[[image:image-20220602161718-9.png||height="457" width="800"]]
297	297
298		-9.  AT command input box
299	299
300		-10.  Send Button:  Send input box info to LA66 USB Adapter
301	301
302		-11.  Output Log from LA66 USB adapter
	484	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
303	303
304		-12.  clear log button
	486	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
305	305
306		-13.  exit button
307	307
	489	+[[image:image-20220602161935-10.png||height="498" width="800"]]
308	308
309		-LA66 USB LoRaWAN Module not connected:
310	310
311		-[[image:image-20220723110520-5.png||height="677" width="508"]]
312	312
	493	+(% style="color:blue" %)**3. See Uplink Command**
313	313
314		-Connect LA66 USB LoRaWAN Module:
	495	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
315	315
316		-[[image:image-20220723110626-6.png||height="681" width="511"]]
	497	+example: AT+SENDB=01,02,8,05820802581ea0a5
317	317
	499	+[[image:image-20220602162157-11.png||height="497" width="800"]]
318	318
319		-=== 1.9.2  Send data to TTNv3 and plot location info in Node-Red ===
320	320
321	321
322		-(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
	503	+(% style="color:blue" %)**4. Check to see if TTN received the message**
323	323
324		-[[image:image-20220723134549-8.png]]
	505	+[[image:image-20220602162331-12.png||height="420" width="800"]]
325	325
326	326
327		-(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
328	328
	509	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
329	329
330		-Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
331	331
332		-For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
	512	+**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]]
333	333
334		-After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
	514	+(**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]])
335	335
336		-LA66~-~-node-red~-~-decoder:[[dragino-end-node-decoder/Node-RED at main · dragino/dragino-end-node-decoder · GitHub>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED]]
	516	+(% style="color:red" %)**Preconditions:**
337	337
	518	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
338	338
339		-Example output in NodeRed is as below:
	520	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
340	340
341		-[[image:image-20220723144339-1.png]]
342	342
343	343
344		-== 1.10  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	524	+(% style="color:blue" %)**Steps for usage:**
345	345
346		-=== 1.10.1 Update method: For LA66 with bootloader ===
	526	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
347	347
	528	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
348	348
349		-* We ship the LA66 USB LoRaWAN Adapter with a boot loader by default, and the latest boot loader is V1.4. Users can download the new version of the boot loader by clicking on this [[link>>https://www.dropbox.com/scl/fo/ztlw35a9xbkomu71u31im/AFhmjtEOaipfBAFrpMCoWrI/LoRaWAN%20End%20Node/LA66%20LoRaWAN%20module/Firmware/OTA_Firmware?dl=0&rlkey=ojjcsw927eaow01dgooldq3nu&subfolder_nav_tracking=1]].
	530	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
350	350
351		-[[image:image-20250122110039-1.png||height="335" width="816"]]
352	352
353		-(% style="color:red" %)**Note: Upgrading the boot loader requires using the upgrade method described in section 1.10.2.**
354	354
	534	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
355	355
356		-* For the bootloader V1.4, compared to V1.3, his role is to support OTA configuration for T68DL (D let Gino product model).
357	357
358		-So if your LA66 doesn't need this feature, you can also just follow the below to upgrade the firmware instead of the bootloader:
	537	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
359	359
360		-**Firmware download (Please select withbootloader version):**
361	361
362		-[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]
	540	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
363	363
	542	+[[image:image-20220723100439-2.png]]
364	364
365		-**Firmware update method:**
366	366
367		-Please refer to this link
368	368
369		-[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H3.2.1UpdateafirmwareviaDraginoSensorManagerUtility.exe>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H3.2.1UpdateafirmwareviaDraginoSensorManagerUtility.exe]]
	546	+(% style="color:blue" %)**2. Install Minicom in RPi.**
370	370
	548	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
371	371
372		-=== 1.10.2 Update method: For LA66 without bootloader ===
	550	+ (% style="background-color:yellow" %)**apt update**
373	373
	552	+ (% style="background-color:yellow" %)**apt install minicom**
374	374
375		-* Explanation:
376	376
377		-For LA66 without a bootloader, we can only burn a bootloader for it in the following way. Because using OTA_Tool to upgrade the firmware of LA66 this address is (% style="color:blue" %)**0x0800D000**(%%) by default, but our bootloader needs to be burned at address .
	555	+Use minicom to connect to the RPI's terminal
378	378
379		-Therefore, you can use this method to download the firmware with the boot loader directly or upgrade your boot loader (address from (% style="color:blue" %)**0x08000000**(%%)).
	557	+[[image:image-20220602153146-3.png||height="439" width="500"]]
380	380
381		-**Firmware download（Download firmware with bootloader）:**
382	382
383		-[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]
384	384
385		-[[image:image-20250122111651-2.png||height="243" width="682"]]
	561	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
386	386
	563	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
387	387
388		-* Upgrade Details:
389	389
390		-The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
	566	+[[image:image-20220602154928-5.png||height="436" width="500"]]
391	391
392		-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).
393	393
394		-(% style="color:red" %)**Notice: If upgrade via USB hub is not sucessful. try to connect to PC directly.**
395	395
396		-[[image:image-20220723150132-2.png||height="514" width="506"]]
	570	+(% style="color:blue" %)**4. Send Uplink message**
397	397
	572	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
398	398
399		-(% style="color:blue" %)**For the LA66 USB LoRaWAN Adapter v1.2, the hardware design has eliminated the reset button, so the first step we need to use the DuPont wire to connect the BOOT pin to the RX pin. Second, connect the LA66 USB LoRaWAN Adapter v1.2 to a USB hub or computer USB port so that it will enter burn mode. Then follow the steps below to burn the firmware.**
	574	+example: AT+SENDB=01,02,8,05820802581ea0a5
400	400
401		-(% style="color:red" %)**Note: After the successful burning need to unplug the LA66 USB LoRaWAN Adapter v1.2, and then reconnect the computer interface, so that it will exit the burning mode.**
402	402
403		-[[image:image-20240401171313-1.jpeg||height="521" width="792"]]
	577	+[[image:image-20220602160339-6.png||height="517" width="600"]]
404	404
405	405
406		-(% class="wikigeneratedid" id="HOpentheUpgradetool28TremoProgrammer29inPCandUpgrade" %)
407		-(% style="color:blue" %)**Open the Upgrade tool (Tremo Programmer) in PC and Upgrade**
408	408
409		-**1.  Software download link:  [[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
	581	+Check to see if TTN received the message
410	410
411		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103227-6.png?rev=1.1||alt="image-20220602103227-6.png"]]
	583	+[[image:image-20220602160627-7.png||height="369" width="800"]]
412	412
413		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103357-7.png?rev=1.1||alt="image-20220602103357-7.png" height="486" width="390"]]
414	414
415	415
416		-**2.  Select the COM port corresponding to USB TTL**
	587	+== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
417	417
418		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103844-8.png?rev=1.1||alt="image-20220602103844-8.png" height="291" width="389"]]
419	419
	590	+=== 3.8.1  DRAGINO-LA66-APP ===
420	420
421		-**3.  Select the bin file to burn**
422	422
423		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104144-9.png?rev=1.1||alt="image-20220602104144-9.png" height="318" width="405"]]
	593	+[[image:image-20220723102027-3.png]]
424	424
425		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104251-10.png?rev=1.1||alt="image-20220602104251-10.png" height="330" width="579"]]
426	426
427		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104402-11.png?rev=1.1||alt="image-20220602104402-11.png" height="290" width="372"]]
428	428
	597	+==== (% style="color:blue" %)**Overview：**(%%) ====
429	429
430		-**4.  Click to start the download**
431	431
432		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104923-13.png?rev=1.1||alt="image-20220602104923-13.png" height="462" width="372"]]
	600	+(((
	601	+DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter.
	602	+)))
433	433
	604	+(((
	605	+View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
	606	+)))
434	434
435		-**5.  Check update process**
436	436
437		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104948-14.png?rev=1.1||alt="image-20220602104948-14.png" height="483" width="386"]]
438	438
	610	+==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
439	439
440		-**The following picture shows that the burning is successful**
441	441
442		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602105251-15.png?rev=1.1||alt="image-20220602105251-15.png" height="513" width="406"]]
	613	+Requires a type-c to USB adapter
443	443
	615	+[[image:image-20220723104754-4.png]]
444	444
445		-= 2.  FAQ =
446	446
447		-== 2.1  How to Compile Source Code for LA66? ==
448	448
	619	+==== (% style="color:blue" %)**Use of APP:**(%%) ====
449	449
450		-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]]
451	451
	622	+Function and page introduction
452	452
453		-== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
	624	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
454	454
455	455
456		-Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
	627	+1.Display LA66 USB LoRaWAN Module connection status
457	457
	629	+2.Check and reconnect
458	458
459		-== 2.3 My device keeps showing invalid credentials, the device goes into low power mode ==
	631	+3.Turn send timestamps on or off
460	460
	633	+4.Display LoRaWan connection status
461	461
462		-Set the AT+COMMAND: (% style="color:blue" %)**AT+UUID=666666666666**
	635	+5.Check LoRaWan connection status
463	463
	637	+6.The RSSI value of the node when the ACK is received
464	464
465		-== 2.4 How to use external antenna via ipex connector? ==
	639	+7.Node's Signal Strength Icon
466	466
	641	+8.Set the packet sending interval of the node in seconds
467	467
468		-You need to remove the spring antenna first, and also remove the resistor and capacitor.
469		-Connect external antenna.
	643	+9.AT command input box
470	470
471		-[[image:image-20231129155939-1.png||height="529" width="397"]]
	645	+10.Send AT command button
472	472
	647	+11.Node log box
473	473
474		-= 3.  Order Info =
	649	+12.clear log button
475	475
	651	+13.exit button
476	476
477		-**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
478	478
479		-(% style="color:blue" %)**XXX**(%%): The default frequency band
	654	+LA66 USB LoRaWAN Module not connected
480	480
481		-* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
482		-* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
483		-* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
484		-* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
485		-* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
486		-* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
487		-* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
488		-* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
489		-* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	656	+[[image:image-20220723110520-5.png||height="903" width="677"]]
490	490
491		-= 4.  Reference =
492	492
493	493
494		-* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
495		-* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
	660	+Connect LA66 USB LoRaWAN Module
496	496
497		-= 5.  FCC Statement =
	662	+[[image:image-20220723110626-6.png||height="906" width="680"]]
498	498
499	499
500		-(% style="color:red" %)**FCC Caution:**
501	501
502		-Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	666	+=== 3.8.2  Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
503	503
504		-This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
505	505
	669	+(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
506	506
507		-(% style="color:red" %)**IMPORTANT NOTE: **
	671	+[[image:image-20220723134549-8.png]]
508	508
509		-(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
510	510
511		-—Reorient or relocate the receiving antenna.
512	512
513		-—Increase the separation between the equipment and receiver.
	675	+(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
514	514
515		-—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	677	+Sample JSON file please go to this link to download：放置JSON文件的链接
516	516
517		-—Consult the dealer or an experienced radio/TV technician for help.
	679	+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/]]
518	518
	681	+The following is the positioning effect map
519	519
520		-(% style="color:red" %)**FCC Radiation Exposure Statement: **
	683	+[[image:image-20220723144339-1.png]]
521	521
522		-This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
523	523
524		-
	686	+
	687	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	688	+
	689	+
	690	+The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
	691	+
	692	+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)
	693	+
	694	+[[image:image-20220723150132-2.png]]
	695	+
	696	+
	697	+
	698	+= 4.  FAQ =
	699	+
	700	+
	701	+== 4.1  How to Compile Source Code for LA66? ==
	702	+
	703	+
	704	+Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
	705	+
	706	+
	707	+
	708	+= 5.  Order Info =
	709	+
	710	+
	711	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	712	+
	713	+
	714	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	715	+
	716	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	717	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	718	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	719	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	720	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	721	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	722	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	723	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	724	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	725	+
	726	+
	727	+
	728	+
	729	+
	730	+= 6.  Reference =
	731	+
	732	+
	733	+* 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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