Summary

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Details

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Title

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

Content

...	...	@@ -6,56 +6,125 @@
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	+[[image:image-20220715000242-1.png||height="110" width="132"]]
15	15
	18	+(% 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.
	19	+)))
	20	+
16	16	(((
17		-[[image:image-20220715000826-2.png||height="145" width="220"]]
	22	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
18	18	)))
19	19
20	20	(((
21		-
	26	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
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.
	30	+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.
26	26	)))
27	27
28	28	(((
	34	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	35	+)))
	36	+
	37	+
	38	+== 1.2  Features ==
	39	+
	40	+* Support LoRaWAN v1.0.4 protocol
	41	+* Support peer-to-peer protocol
	42	+* TCXO crystal to ensure RF performance on low temperature
	43	+* SMD Antenna pad and i-pex antenna connector
	44	+* Available in different frequency LoRaWAN frequency bands.
	45	+* World-wide unique OTAA keys.
	46	+* AT Command via UART-TTL interface
	47	+* Firmware upgradable via UART interface
	48	+* Ultra-long RF range
	49	+
	50	+
	51	+== 1.3  Specification ==
	52	+
	53	+* CPU: 32-bit 48 MHz
	54	+* Flash: 256KB
	55	+* RAM: 64KB
	56	+* Input Power Range: 1.8v ~~ 3.7v
	57	+* Power Consumption: < 4uA.
	58	+* Frequency Range: 150 MHz ~~ 960 MHz
	59	+* Maximum Power +22 dBm constant RF output
	60	+* High sensitivity: -148 dBm
	61	+* Temperature:
	62	+** Storage: -55 ~~ +125℃
	63	+** Operating: -40 ~~ +85℃
	64	+* Humidity:
	65	+** Storage: 5 ~~ 95% (Non-Condensing)
	66	+** Operating: 10 ~~ 95% (Non-Condensing)
	67	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	68	+* LoRa Rx current: <9 mA
	69	+* I/O Voltage: 3.3v
	70	+
	71	+
	72	+== 1.4  AT Command ==
	73	+
	74	+AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
	75	+
	76	+
	77	+== 1.5  Dimension ==
	78	+
	79	+[[image:image-20220517072526-1.png]]
	80	+
	81	+
	82	+
	83	+== 1.6  Pin Mapping ==
	84	+
	85	+
	86	+[[image:image-20220523101537-1.png]]
	87	+
	88	+
	89	+
	90	+== 1.7  Land Pattern ==
	91	+
	92	+[[image:image-20220517072821-2.png]]
	93	+
	94	+
	95	+
	96	+= 2.  LA66 LoRaWAN Shield =
	97	+
	98	+
	99	+== 2.1  Overview ==
	100	+
	101	+
	102	+[[image:image-20220715000826-2.png||height="386" width="449"]]
	103	+
	104	+
	105	+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.
	106	+
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.
	108	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
31	31	)))
32		-)))
33	33
34	34	(((
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		-)))
45	45
46	46	(((
47		-(((
48	48	LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49	49	)))
50		-)))
51	51
52	52
	124	+== 2.2  Features ==
53	53
54		-== 1.2  Features ==
55		-
56		-
57	57	* Arduino Shield base on LA66 LoRaWAN module
58		-* Support LoRaWAN v1.0.3 protocol
	127	+* 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	61	* SMA connector
...	...	@@ -66,11 +66,8 @@
66	66	* Ultra-long RF range
67	67
68	68
	138	+== 2.3  Specification ==
69	69
70		-
71		-== 1.3  Specification ==
72		-
73		-
74	74	* CPU: 32-bit 48 MHz
75	75	* Flash: 256KB
76	76	* RAM: 64KB
...	...	@@ -90,247 +90,328 @@
90	90	* I/O Voltage: 3.3v
91	91
92	92
	159	+== 2.4  Pin Mapping & LED ==
93	93
94	94
95		-== 1.4  Pin Mapping & LED ==
96	96
	163	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
97	97
98		-[[image:image-20220817085048-1.png||height="533" width="734"]]
99	99
100	100
	167	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
101	101
102		-~1. The LED lights up red when there is an upstream data packet
103		-2. When the network is successfully connected, the green light will be on for 5 seconds
104		-3. Purple light on when receiving downlink data packets
105	105
106	106
107		-[[image:image-20220820112305-1.png||height="515" width="749"]]
	171	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
108	108
109	109
110	110
111		-== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
	175	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
112	112
113	113
114		-**Show connection diagram：**
	178	+=== 2.8.1  Items needed for update ===
115	115
	180	+1. LA66 LoRaWAN Shield
	181	+1. Arduino
	182	+1. USB TO TTL Adapter
116	116
117		-[[image:image-20220723170210-2.png||height="908" width="681"]]
	184	+[[image:image-20220602100052-2.png||height="385" width="600"]]
118	118
119	119
	187	+=== 2.8.2  Connection ===
120	120
121		-(% style="color:blue" %)**1.  open Arduino IDE**
122	122
	190	+[[image:image-20220602101311-3.png||height="276" width="600"]]
123	123
124		-[[image:image-20220723170545-4.png]]
125	125
	193	+(((
	194	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	195	+)))
126	126
	197	+(((
	198	+(% style="background-color:yellow" %)**GND  <-> GND
	199	+TXD  <->  TXD
	200	+RXD  <->  RXD**
	201	+)))
127	127
128		-(% style="color:blue" %)**2.  Open project**
129	129
	204	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
130	130
131		-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]]
	206	+Connect USB TTL Adapter to PC after connecting the wires
132	132
133		-[[image:image-20220726135239-1.png]]
134	134
	209	+[[image:image-20220602102240-4.png||height="304" width="600"]]
135	135
136	136
137		-(% 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**
	212	+=== 2.8.3  Upgrade steps ===
138	138
139		-[[image:image-20220726135356-2.png]]
140	140
	215	+==== 1.  Switch SW1 to put in ISP position ====
141	141
142	142
143		-(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
	218	+[[image:image-20220602102824-5.png||height="306" width="600"]]
144	144
145	145
146		-[[image:image-20220723172235-7.png||height="480" width="1027"]]
147	147
	222	+==== 2.  Press the RST switch once ====
148	148
149	149
150		-== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
	225	+[[image:image-20220602104701-12.png||height="285" width="600"]]
151	151
152	152
153		-(% style="color:blue" %)**1.  Open project**
154	154
	229	+==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
155	155
156		-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]]
157	157
	232	+(((
	233	+(% 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/]]**
	234	+)))
158	158
159		-[[image:image-20220723172502-8.png]]
160	160
	237	+[[image:image-20220602103227-6.png]]
161	161
162	162
163		-(% 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**
	240	+[[image:image-20220602103357-7.png]]
164	164
165	165
166		-[[image:image-20220723172938-9.png||height="652" width="1050"]]
167	167
	244	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	245	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
168	168
169	169
170		-== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
	248	+[[image:image-20220602103844-8.png]]
171	171
172	172
173		-(% style="color:blue" %)**1.  Open project**
174	174
	252	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	253	+(% style="color:blue" %)**3. Select the bin file to burn**
175	175
176		-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]]
177	177
	256	+[[image:image-20220602104144-9.png]]
178	178
179		-[[image:image-20220723173341-10.png||height="581" width="1014"]]
180	180
	259	+[[image:image-20220602104251-10.png]]
181	181
182	182
183		-(% 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**
	262	+[[image:image-20220602104402-11.png]]
184	184
185	185
186		-[[image:image-20220723173950-11.png||height="665" width="1012"]]
187	187
	266	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	267	+(% style="color:blue" %)**4. Click to start the download**
188	188
	269	+[[image:image-20220602104923-13.png]]
189	189
190		-(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
191	191
192		-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/]]
193	193
194		-[[image:image-20220723175700-12.png||height="602" width="995"]]
	273	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	274	+(% style="color:blue" %)**5. Check update process**
195	195
196	196
	277	+[[image:image-20220602104948-14.png]]
197	197
198		-== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
199	199
200	200
201		-=== 1.8.1  Items needed for update ===
	281	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	282	+(% style="color:blue" %)**The following picture shows that the burning is successful**
202	202
	284	+[[image:image-20220602105251-15.png]]
203	203
204		-1. LA66 LoRaWAN Shield
205		-1. Arduino
206		-1. USB TO TTL Adapter
207	207
208	208
	288	+= 3.  LA66 USB LoRaWAN Adapter =
209	209
210		-[[image:image-20220602100052-2.png||height="385" width="600"]]
211	211
	291	+== 3.1  Overview ==
212	212
	293	+[[image:image-20220715001142-3.png||height="145" width="220"]]
213	213
214		-=== 1.8.2  Connection ===
	295	+(% 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.
215	215
	297	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
216	216
217		-[[image:image-20220602101311-3.png||height="276" width="600"]]
	299	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
218	218
	301	+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.
219	219
220		-(((
221		-(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
222		-)))
	303	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
223	223
224		-(((
225		-(% style="background-color:yellow" %)**GND  <-> GND
226		-TXD  <->  TXD
227		-RXD  <->  RXD**
228		-)))
229	229
	306	+== 3.2  Features ==
230	230
231		-Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
	308	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	309	+* Ultra-long RF range
	310	+* Support LoRaWAN v1.0.4 protocol
	311	+* Support peer-to-peer protocol
	312	+* TCXO crystal to ensure RF performance on low temperature
	313	+* Spring RF antenna
	314	+* Available in different frequency LoRaWAN frequency bands.
	315	+* World-wide unique OTAA keys.
	316	+* AT Command via UART-TTL interface
	317	+* Firmware upgradable via UART interface
	318	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
232	232
233		-Connect USB TTL Adapter to PC after connecting the wires
234	234
	321	+== 3.3  Specification ==
235	235
236		-[[image:image-20220602102240-4.png||height="304" width="600"]]
	323	+* CPU: 32-bit 48 MHz
	324	+* Flash: 256KB
	325	+* RAM: 64KB
	326	+* Input Power Range: 5v
	327	+* Frequency Range: 150 MHz ~~ 960 MHz
	328	+* Maximum Power +22 dBm constant RF output
	329	+* High sensitivity: -148 dBm
	330	+* Temperature:
	331	+** Storage: -55 ~~ +125℃
	332	+** Operating: -40 ~~ +85℃
	333	+* Humidity:
	334	+** Storage: 5 ~~ 95% (Non-Condensing)
	335	+** Operating: 10 ~~ 95% (Non-Condensing)
	336	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	337	+* LoRa Rx current: <9 mA
237	237
238	238
	340	+== 3.4  Pin Mapping & LED ==
239	239
240		-=== 1.8.3  Upgrade steps ===
241	241
242	242
	344	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
243	243
244		-==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
245	245
	347	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
246	246
247		-[[image:image-20220602102824-5.png||height="306" width="600"]]
248	248
	350	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
249	249
250	250
251		-==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
	353	+[[image:image-20220602171217-1.png||height="538" width="800"]]
252	252
253	253
254		-[[image:image-20220817085447-1.png]]
	356	+Open the serial port tool
255	255
	358	+[[image:image-20220602161617-8.png]]
256	256
	360	+[[image:image-20220602161718-9.png||height="457" width="800"]]
257	257
258	258
259		-==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
260	260
	364	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
261	261
262		-(((
263		-(% style="color:blue" %)**1. Software download link:  **(%%)**[[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
264		-)))
	366	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
265	265
266	266
267		-[[image:image-20220602103227-6.png]]
	369	+[[image:image-20220602161935-10.png||height="498" width="800"]]
268	268
269	269
270		-[[image:image-20220602103357-7.png]]
271	271
	373	+(% style="color:blue" %)**3. See Uplink Command**
272	272
	375	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
273	273
274		-(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
275		-(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	377	+example: AT+SENDB=01,02,8,05820802581ea0a5
276	276
	379	+[[image:image-20220602162157-11.png||height="497" width="800"]]
277	277
278		-[[image:image-20220602103844-8.png]]
279	279
280	280
	383	+(% style="color:blue" %)**4. Check to see if TTN received the message**
281	281
282		-(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
283		-(% style="color:blue" %)**3. Select the bin file to burn**
	385	+[[image:image-20220602162331-12.png||height="420" width="800"]]
284	284
285	285
286		-[[image:image-20220602104144-9.png]]
287	287
	389	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
288	288
289		-[[image:image-20220602104251-10.png]]
290	290
	392	+**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]]
291	291
292		-[[image:image-20220602104402-11.png]]
293	293
	395	+(% style="color:red" %)**Preconditions:**
294	294
	397	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
295	295
296		-(% class="wikigeneratedid" id="HClicktostartthedownload" %)
297		-(% style="color:blue" %)**4. Click to start the download**
	399	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
298	298
299		-[[image:image-20220602104923-13.png]]
300	300
301	301
	403	+(% style="color:blue" %)**Steps for usage:**
302	302
303		-(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
304		-(% style="color:blue" %)**5. Check update process**
	405	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
305	305
	407	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
306	306
307		-[[image:image-20220602104948-14.png]]
	409	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
308	308
309	309
310	310
311		-(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
312		-(% style="color:blue" %)**The following picture shows that the burning is successful**
	413	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
313	313
314		-[[image:image-20220602105251-15.png]]
315	315
	416	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
316	316
317	317
318		-= 2.  FAQ =
	419	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
319	319
	421	+[[image:image-20220602171233-2.png||height="538" width="800"]]
320	320
321		-== 2.1  How to Compile Source Code for LA66? ==
322	322
323	323
324		-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]]
	425	+(% style="color:blue" %)**2. Install Minicom in RPi.**
325	325
	427	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
326	326
	429	+ (% style="background-color:yellow" %)**apt update**
327	327
328		-= 3.  Order Info =
	431	+ (% style="background-color:yellow" %)**apt install minicom**
329	329
330	330
331		-**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
	434	+Use minicom to connect to the RPI's terminal
332	332
	436	+[[image:image-20220602153146-3.png||height="439" width="500"]]
333	333
	438	+
	439	+
	440	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	441	+
	442	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	443	+
	444	+
	445	+[[image:image-20220602154928-5.png||height="436" width="500"]]
	446	+
	447	+
	448	+
	449	+(% style="color:blue" %)**4. Send Uplink message**
	450	+
	451	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	452	+
	453	+example: AT+SENDB=01,02,8,05820802581ea0a5
	454	+
	455	+
	456	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	457	+
	458	+
	459	+
	460	+Check to see if TTN received the message
	461	+
	462	+[[image:image-20220602160627-7.png||height="369" width="800"]]
	463	+
	464	+
	465	+
	466	+== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	467	+
	468	+
	469	+
	470	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	471	+
	472	+
	473	+
	474	+
	475	+= 4.  Order Info =
	476	+
	477	+
	478	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	479	+
	480	+
334	334	(% style="color:blue" %)**XXX**(%%): The default frequency band
335	335
336	336	* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
...	...	@@ -343,12 +343,8 @@
343	343	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
344	344	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
345	345
	493	+= 5.  Reference =
346	346
	495	+* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
347	347
348		-
349		-= 4.  Reference =
350		-
351		-
352		-* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
353		-
354	354

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