Changes for page LA66 USB LoRaWAN Adapter User Manual

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Title

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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 +31,37 @@
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		-== 1.3  Specification ==
56	56
57	57
	67	+== 1.3  Specification ==
	68	+
58	58	* CPU: 32-bit 48 MHz
59	59	* Flash: 256KB
60	60	* RAM: 64KB
61		-* Input Power Range: 5v
	72	+* Input Power Range: 1.8v ~~ 3.7v
	73	+* 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 +70,641 @@
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
	85	+* I/O Voltage: 3.3v
73	73
74		-== 1.4  Pin Mapping & LED ==
75	75
76	76
77		-[[image:image-20220813183239-3.png||height="526" width="662"]]
	89	+== 1.4  AT Command ==
78	78
79	79
80		-== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
	92	+AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
81	81
82	82
	95	+
	96	+== 1.5  Dimension ==
	97	+
	98	+[[image:image-20220718094750-3.png]]
	99	+
	100	+
	101	+
	102	+== 1.6  Pin Mapping ==
	103	+
	104	+[[image:image-20220720111850-1.png]]
	105	+
	106	+
	107	+
	108	+== 1.7  Land Pattern ==
	109	+
	110	+[[image:image-20220517072821-2.png]]
	111	+
	112	+
	113	+
	114	+= 2.  LA66 LoRaWAN Shield =
	115	+
	116	+
	117	+== 2.1  Overview ==
	118	+
	119	+
83	83	(((
84		-Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	121	+[[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**
	124	+(((
	125	+
	126	+)))
88	88
89		-[[image:image-20220723100027-1.png]]
	128	+(((
	129	+(% 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.
	130	+)))
90	90
	132	+(((
	133	+(((
	134	+(% 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.
	135	+)))
	136	+)))
91	91
92		-Open the serial port tool
	138	+(((
	139	+(((
	140	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	141	+)))
	142	+)))
93	93
94		-[[image:image-20220602161617-8.png]]
	144	+(((
	145	+(((
	146	+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.
	147	+)))
	148	+)))
95	95
	150	+(((
	151	+(((
	152	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	153	+)))
	154	+)))
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.）**
	158	+== 2.2  Features ==
101	101
102		-The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
	160	+* Arduino Shield base on LA66 LoRaWAN module
	161	+* Support LoRaWAN v1.0.4 protocol
	162	+* Support peer-to-peer protocol
	163	+* TCXO crystal to ensure RF performance on low temperature
	164	+* SMA connector
	165	+* Available in different frequency LoRaWAN frequency bands.
	166	+* World-wide unique OTAA keys.
	167	+* AT Command via UART-TTL interface
	168	+* Firmware upgradable via UART interface
	169	+* Ultra-long RF range
103	103
104		-[[image:image-20220602161935-10.png||height="498" width="800"]]
105	105
106	106
107		-(% style="color:blue" %)**3. See Uplink Command**
	173	+== 2.3  Specification ==
108	108
109		-Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	175	+* CPU: 32-bit 48 MHz
	176	+* Flash: 256KB
	177	+* RAM: 64KB
	178	+* Input Power Range: 1.8v ~~ 3.7v
	179	+* Power Consumption: < 4uA.
	180	+* Frequency Range: 150 MHz ~~ 960 MHz
	181	+* Maximum Power +22 dBm constant RF output
	182	+* High sensitivity: -148 dBm
	183	+* Temperature:
	184	+** Storage: -55 ~~ +125℃
	185	+** Operating: -40 ~~ +85℃
	186	+* Humidity:
	187	+** Storage: 5 ~~ 95% (Non-Condensing)
	188	+** Operating: 10 ~~ 95% (Non-Condensing)
	189	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	190	+* LoRa Rx current: <9 mA
	191	+* I/O Voltage: 3.3v
110	110
111		-example: AT+SENDB=01,02,8,05820802581ea0a5
112	112
113		-[[image:image-20220602162157-11.png||height="497" width="800"]]
114	114
	195	+== 2.4  LED ==
115	115
116		-(% style="color:blue" %)**5.  Check to see if TTN received the message**
117	117
118		-[[image:image-20220817093644-1.png]]
	198	+~1. The LED lights up red when there is an upstream data packet
	199	+2. When the network is successfully connected, the green light will be on for 5 seconds
	200	+3. Purple light on when receiving downlink data packets
119	119
120	120
121		-== 1.6  Example: How to join helium ==
122	122
	204	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
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"]]
	207	+**Show connection diagram：**
127	127
128	128
129		-(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
	210	+[[image:image-20220723170210-2.png||height="908" width="681"]]
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"]]
132	132
133	133
134		-(% style="color:blue" %)**3.  Use AT commands.**
	214	+(% style="color:blue" %)**1.  open Arduino IDE**
135	135
136		-[[image:image-20220909151441-1.jpeg||height="695" width="521"]]
137	137
	217	+[[image:image-20220723170545-4.png]]
138	138
139		-(% style="color:blue" %)**4.  Use the serial port tool**
140	140
141		-[[image:image-20220909151517-2.png||height="543" width="708"]]
142	142
	221	+(% style="color:blue" %)**2.  Open project**
143	143
144		-(% style="color:blue" %)**5.  Use command AT+CFG to get device configuration**
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"]]
	224	+LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
147	147
148	148
149		-(% style="color:blue" %)**6.  Network successfully.**
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	+(% 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**
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	+(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
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	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
162	162
163	163
164		-== 1.7  Example: Send PC's CPU/RAM usage to TTN via python ==
165	165
	240	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
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]]
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]])
	243	+(% style="color:blue" %)**1.  Open project**
170	170
171	171
172		-(% style="color:red" %)**Preconditions:**
	246	+Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
173	173
174		-(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
	248	+[[image:image-20220723172502-8.png]]
175	175
176		-(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
177	177
178	178
179		-(% style="color:blue" %)**Steps for usage:**
	252	+(% 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**
180	180
181		-(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
182	182
183		-(% style="color:blue" %)**2.**(%%) Add [[decoder>>https://github.com/dragino/dragino-end-node-decoder/tree/main/LA66%20USB]] on TTN
	255	+[[image:image-20220723172938-9.png||height="652" width="1050"]]
184	184
185		-(% style="color:blue" %)**3.**(%%) Run the python script in PC and see the TTN
186	186
187	187
188		-[[image:image-20220602115852-3.png||height="450" width="1187"]]
	259	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
189	189
190	190
191		-== 1.8  Example: Send & Get Messages via LoRaWAN in RPi ==
	262	+(% style="color:blue" %)**1.  Open project**
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.
	265	+Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
195	195
196		-(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
197	197
198		-[[image:image-20220723100439-2.png]]
	268	+[[image:image-20220723173341-10.png||height="581" width="1014"]]
199	199
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
	272	+(% 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**
204	204
205		- (% style="background-color:yellow" %)**apt update**
206	206
207		- (% style="background-color:yellow" %)**apt install minicom**
	275	+[[image:image-20220723173950-11.png||height="665" width="1012"]]
208	208
209		-Use minicom to connect to the RPI's terminal
210	210
211		-[[image:image-20220602153146-3.png||height="439" width="500"]]
212	212
	279	+(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
213	213
214		-(% style="color:blue" %)**3.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	281	+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/]]
215	215
216		-The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	283	+[[image:image-20220723175700-12.png||height="602" width="995"]]
217	217
218		-[[image:image-20220602154928-5.png||height="436" width="500"]]
219	219
220	220
221		-(% style="color:blue" %)**4.  Send Uplink message**
	287	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
222	222
223		-Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
224	224
225		-example: AT+SENDB=01,02,8,05820802581ea0a5
	290	+=== 2.8.1  Items needed for update ===
226	226
227		-[[image:image-20220602160339-6.png||height="517" width="600"]]
228	228
	293	+1. LA66 LoRaWAN Shield
	294	+1. Arduino
	295	+1. USB TO TTL Adapter
229	229
230		-Check to see if TTN received the message
	297	+[[image:image-20220602100052-2.png||height="385" width="600"]]
231	231
232	232
233		-[[image:image-20220602160627-7.png||height="369" width="800"]]
	300	+=== 2.8.2  Connection ===
234	234
235	235
236		-== 1.9  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
	303	+[[image:image-20220602101311-3.png||height="276" width="600"]]
237	237
238		-=== 1.9.1  Hardware and Software Connection ===
239	239
	306	+(((
	307	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	308	+)))
240	240
241		-(% class="wikigeneratedid" id="HOverviewFF1A" %)
242		-(% style="color:blue" %)**Overview：**
	310	+(((
	311	+(% style="background-color:yellow" %)**GND  <-> GND
	312	+TXD  <->  TXD
	313	+RXD  <->  RXD**
	314	+)))
243	243
	316	+
	317	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
	318	+
	319	+Connect USB TTL Adapter to PC after connecting the wires
	320	+
	321	+
	322	+[[image:image-20220602102240-4.png||height="304" width="600"]]
	323	+
	324	+
	325	+=== 2.8.3  Upgrade steps ===
	326	+
	327	+
	328	+==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
	329	+
	330	+
	331	+[[image:image-20220602102824-5.png||height="306" width="600"]]
	332	+
	333	+
	334	+
	335	+==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
	336	+
	337	+
	338	+[[image:image-20220602104701-12.png||height="285" width="600"]]
	339	+
	340	+
	341	+
	342	+==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
	343	+
	344	+
244	244	(((
245		-DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
	346	+(% 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/]]**
	347	+)))
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.
	349	+
	350	+[[image:image-20220602103227-6.png]]
	351	+
	352	+
	353	+[[image:image-20220602103357-7.png]]
	354	+
	355	+
	356	+
	357	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	358	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	359	+
	360	+
	361	+[[image:image-20220602103844-8.png]]
	362	+
	363	+
	364	+
	365	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	366	+(% style="color:blue" %)**3. Select the bin file to burn**
	367	+
	368	+
	369	+[[image:image-20220602104144-9.png]]
	370	+
	371	+
	372	+[[image:image-20220602104251-10.png]]
	373	+
	374	+
	375	+[[image:image-20220602104402-11.png]]
	376	+
	377	+
	378	+
	379	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	380	+(% style="color:blue" %)**4. Click to start the download**
	381	+
	382	+[[image:image-20220602104923-13.png]]
	383	+
	384	+
	385	+
	386	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	387	+(% style="color:blue" %)**5. Check update process**
	388	+
	389	+
	390	+[[image:image-20220602104948-14.png]]
	391	+
	392	+
	393	+
	394	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	395	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	396	+
	397	+[[image:image-20220602105251-15.png]]
	398	+
	399	+
	400	+
	401	+= 3.  LA66 USB LoRaWAN Adapter =
	402	+
	403	+
	404	+== 3.1  Overview ==
	405	+
	406	+
	407	+[[image:image-20220715001142-3.png||height="145" width="220"]]
	408	+
	409	+
	410	+(((
	411	+(% 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
	414	+(((
	415	+(% 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.
	416	+)))
252	252
	418	+(((
	419	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	420	+)))
253	253
254		-(% class="wikigeneratedid" id="HHardwareConnection:" %)
255		-(% style="color:blue" %)**Hardware Connection:**
	422	+(((
	423	+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.
	424	+)))
256	256
257		-A USB to Type-C adapter is needed to connect to a Mobile phone.
	426	+(((
	427	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	428	+)))
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
	432	+== 3.2  Features ==
263	263
264		-(% class="wikigeneratedid" id="HDownloadandInstallApp:" %)
265		-(% style="color:blue" %)**Download and Install App:**
	434	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	435	+* Ultra-long RF range
	436	+* Support LoRaWAN v1.0.4 protocol
	437	+* Support peer-to-peer protocol
	438	+* TCXO crystal to ensure RF performance on low temperature
	439	+* Spring RF antenna
	440	+* Available in different frequency LoRaWAN frequency bands.
	441	+* World-wide unique OTAA keys.
	442	+* AT Command via UART-TTL interface
	443	+* Firmware upgradable via UART interface
	444	+* 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)
268	268
269		-[[image:image-20220813173738-1.png]]
	447	+== 3.3  Specification ==
270	270
	449	+* CPU: 32-bit 48 MHz
	450	+* Flash: 256KB
	451	+* RAM: 64KB
	452	+* Input Power Range: 5v
	453	+* Frequency Range: 150 MHz ~~ 960 MHz
	454	+* Maximum Power +22 dBm constant RF output
	455	+* High sensitivity: -148 dBm
	456	+* Temperature:
	457	+** Storage: -55 ~~ +125℃
	458	+** Operating: -40 ~~ +85℃
	459	+* Humidity:
	460	+** Storage: 5 ~~ 95% (Non-Condensing)
	461	+** Operating: 10 ~~ 95% (Non-Condensing)
	462	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	463	+* LoRa Rx current: <9 mA
271	271
272		-(% class="wikigeneratedid" id="HUseofAPP:" %)
273		-(% style="color:blue" %)**Use of APP:**
274	274
275		-Function and page introduction:
	466	+== 3.4  Pin Mapping & LED ==
276	276
277		-[[image:image-20220723113448-7.png||height="911" width="412"]]
278	278
279	279
280		-(% style="color:blue" %)**Block Explain:**
	470	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
281	281
282		-1.  Display LA66 USB LoRaWAN Module connection status
283	283
284		-2.  Check and reconnect
	473	+(((
	474	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	475	+)))
285	285
286		-3.  Turn send timestamps on or off
287	287
288		-4.  Display LoRaWan connection status
	478	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
289	289
290		-5.  Check LoRaWan connection status
291	291
292		-6.  The RSSI value of the node when the ACK is received
	481	+[[image:image-20220723100027-1.png]]
293	293
294		-7.  Node's Signal Strength Icon
295	295
296		-8.  Configure Location Uplink Interval
	484	+Open the serial port tool
297	297
298		-9.  AT command input box
	486	+[[image:image-20220602161617-8.png]]
299	299
300		-10.  Send Button:  Send input box info to LA66 USB Adapter
	488	+[[image:image-20220602161718-9.png||height="457" width="800"]]
301	301
302		-11.  Output Log from LA66 USB adapter
303	303
304		-12.  clear log button
305	305
306		-13.  exit button
	492	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
307	307
	494	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
308	308
309		-LA66 USB LoRaWAN Module not connected:
310	310
311		-[[image:image-20220723110520-5.png||height="677" width="508"]]
	497	+[[image:image-20220602161935-10.png||height="498" width="800"]]
312	312
313	313
314		-Connect LA66 USB LoRaWAN Module:
315	315
316		-[[image:image-20220723110626-6.png||height="681" width="511"]]
	501	+(% style="color:blue" %)**3. See Uplink Command**
317	317
	503	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
318	318
319		-=== 1.9.2  Send data to TTNv3 and plot location info in Node-Red ===
	505	+example: AT+SENDB=01,02,8,05820802581ea0a5
320	320
	507	+[[image:image-20220602162157-11.png||height="497" width="800"]]
321	321
322		-(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
323	323
324		-[[image:image-20220723134549-8.png]]
325	325
	511	+(% style="color:blue" %)**4. Check to see if TTN received the message**
326	326
327		-(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
	513	+[[image:image-20220602162331-12.png||height="420" width="800"]]
328	328
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/]]
	517	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
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.
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]]
	520	+**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]]
337	337
	522	+(**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]])
338	338
339		-Example output in NodeRed is as below:
	524	+(% style="color:red" %)**Preconditions:**
340	340
341		-[[image:image-20220723144339-1.png]]
	526	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
342	342
	528	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
343	343
344		-== 1.10  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
345	345
346		-=== 1.10.1 Update method: For LA66 with bootloader ===
347	347
	532	+(% style="color:blue" %)**Steps for usage:**
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]].
	534	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
350	350
351		-[[image:image-20250122110039-1.png||height="335" width="816"]]
	536	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
352	352
353		-(% style="color:red" %)**Note: Upgrading the boot loader requires using the upgrade method described in section 1.10.2.**
	538	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
354	354
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:
	542	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
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]]
	545	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
363	363
364	364
365		-**Firmware update method:**
	548	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
366	366
367		-Please refer to this link
	550	+[[image:image-20220723100439-2.png]]
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]]
370	370
371	371
372		-=== 1.10.2 Update method: For LA66 without bootloader ===
	554	+(% style="color:blue" %)**2. Install Minicom in RPi.**
373	373
	556	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
374	374
375		-* Explanation:
	558	+ (% style="background-color:yellow" %)**apt update**
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 .
	560	+ (% style="background-color:yellow" %)**apt install minicom**
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**(%%)).
380	380
381		-**Firmware download（Download firmware with bootloader）:**
	563	+Use minicom to connect to the RPI's terminal
382	382
383		-[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]
	565	+[[image:image-20220602153146-3.png||height="439" width="500"]]
384	384
385		-[[image:image-20250122111651-2.png||height="243" width="682"]]
386	386
387	387
388		-* Upgrade Details:
	569	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
389	389
390		-The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
	571	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
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.**
	574	+[[image:image-20220602154928-5.png||height="436" width="500"]]
395	395
396		-[[image:image-20220723150132-2.png||height="514" width="506"]]
397	397
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.**
	578	+(% style="color:blue" %)**4. Send Uplink message**
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.**
	580	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
402	402
403		-[[image:image-20240401171313-1.jpeg||height="521" width="792"]]
	582	+example: AT+SENDB=01,02,8,05820802581ea0a5
404	404
405	405
406		-(% class="wikigeneratedid" id="HOpentheUpgradetool28TremoProgrammer29inPCandUpgrade" %)
407		-(% style="color:blue" %)**Open the Upgrade tool (Tremo Programmer) in PC and Upgrade**
	585	+[[image:image-20220602160339-6.png||height="517" width="600"]]
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]]**
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"]]
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"]]
	589	+Check to see if TTN received the message
414	414
	591	+[[image:image-20220602160627-7.png||height="369" width="800"]]
415	415
416		-**2.  Select the COM port corresponding to USB TTL**
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
	595	+== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and 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"]]
	598	+=== 3.8.1 DRAGINO-LA66-APP ===
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"]]
	601	+[[image:image-20220723102027-3.png]]
428	428
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"]]
	605	+==== (% style="color:blue" %)**Overview：**(%%) ====
433	433
434	434
435		-**5.  Check update process**
	608	+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.
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"]]
	610	+View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
438	438
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"]]
	614	+==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
443	443
444	444
445		-= 2.  FAQ =
	617	+Requires a type-c to USB adapter
446	446
447		-== 2.1  How to Compile Source Code for LA66? ==
	619	+[[image:image-20220723104754-4.png]]
448	448
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
	623	+==== (% style="color:blue" %)**Use of APP:**(%%) ====
452	452
453		-== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
454	454
	626	+Function and page introduction
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]]
	628	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
457	457
	630	+1.Display LA66 USB LoRaWAN Module connection status
458	458
459		-== 2.3 My device keeps showing invalid credentials, the device goes into low power mode ==
	632	+2.Check and reconnect
460	460
	634	+3.Turn send timestamps on or off
461	461
462		-Set the AT+COMMAND: (% style="color:blue" %)**AT+UUID=666666666666**
	636	+4.Display LoRaWan connection status
463	463
	638	+5.Check LoRaWan connection status
464	464
465		-== 2.4 How to use external antenna via ipex connector? ==
	640	+6.The RSSI value of the node when the ACK is received
466	466
	642	+7.Node's Signal Strength Icon
467	467
468		-You need to remove the spring antenna first, and also remove the resistor and capacitor.
469		-Connect external antenna.
	644	+8.Set the packet sending interval of the node in seconds
470	470
471		-[[image:image-20231129155939-1.png||height="529" width="397"]]
	646	+9.AT command input box
472	472
	648	+10.Send AT command button
473	473
474		-= 3.  Order Info =
	650	+11.Node log box
475	475
	652	+12.clear log button
476	476
477		-**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	654	+13.exit button
478	478
479		-(% style="color:blue" %)**XXX**(%%): The default frequency band
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
	657	+LA66 USB LoRaWAN Module not connected
490	490
491		-= 4.  Reference =
	659	+[[image:image-20220723110520-5.png||height="903" width="677"]]
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]].
496	496
497		-= 5.  FCC Statement =
	663	+Connect LA66 USB LoRaWAN Module
498	498
	665	+[[image:image-20220723110626-6.png||height="906" width="680"]]
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.
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.
	669	+=== 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 ===
505	505
506	506
507		-(% style="color:red" %)**IMPORTANT NOTE: **
	672	+**1.  Register LA66 USB LoRaWAN Module to TTNV3**
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:
	674	+[[image:image-20220723134549-8.png]]
510	510
511		-—Reorient or relocate the receiving antenna.
512	512
513		-—Increase the separation between the equipment and receiver.
514	514
515		-—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	678	+**2.  Open Node-RED,And import the JSON file to generate the flow**
516	516
517		-—Consult the dealer or an experienced radio/TV technician for help.
	680	+Sample JSON file please go to this link to download：放置JSON文件的链接
518	518
	682	+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/]]
519	519
520		-(% style="color:red" %)**FCC Radiation Exposure Statement: **
	684	+The following is the positioning effect map
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.
	686	+[[image:image-20220723144339-1.png]]
523	523
524		-
	688	+
	689	+
	690	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	691	+
	692	+
	693	+The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
	694	+
	695	+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)
	696	+
	697	+[[image:image-20220723150132-2.png]]
	698	+
	699	+
	700	+
	701	+= 4.  Order Info =
	702	+
	703	+
	704	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	705	+
	706	+
	707	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	708	+
	709	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	710	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	711	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	712	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	713	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	714	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	715	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	716	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	717	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	718	+
	719	+= 5.  Reference =
	720	+
	721	+
	722	+* 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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