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

Author

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1		-XWiki.Bei
	1	+XWiki.Xiaoling

Content

...	...	@@ -6,14 +6,119 @@
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	+(((
	17	+[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
	18	+)))
15	15
16	16	(((
	21	+
	22	+)))
	23	+
	24	+(((
	25	+(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
	26	+)))
	27	+)))
	28	+
	29	+(((
	30	+(((
	31	+(% 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.
	32	+)))
	33	+)))
	34	+
	35	+(((
	36	+(((
	37	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	38	+)))
	39	+
	40	+(((
	41	+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.
	42	+)))
	43	+)))
	44	+
	45	+(((
	46	+(((
	47	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	48	+)))
	49	+)))
	50	+
	51	+
	52	+
	53	+== 1.2  Features ==
	54	+
	55	+* Support LoRaWAN v1.0.4 protocol
	56	+* Support peer-to-peer protocol
	57	+* TCXO crystal to ensure RF performance on low temperature
	58	+* SMD Antenna pad and i-pex antenna connector
	59	+* Available in different frequency LoRaWAN frequency bands.
	60	+* World-wide unique OTAA keys.
	61	+* AT Command via UART-TTL interface
	62	+* Firmware upgradable via UART interface
	63	+* Ultra-long RF range
	64	+
	65	+
	66	+
	67	+== 1.3  Specification ==
	68	+
	69	+* CPU: 32-bit 48 MHz
	70	+* Flash: 256KB
	71	+* RAM: 64KB
	72	+* Input Power Range: 1.8v ~~ 3.7v
	73	+* Power Consumption: < 4uA.
	74	+* Frequency Range: 150 MHz ~~ 960 MHz
	75	+* Maximum Power +22 dBm constant RF output
	76	+* High sensitivity: -148 dBm
	77	+* Temperature:
	78	+** Storage: -55 ~~ +125℃
	79	+** Operating: -40 ~~ +85℃
	80	+* Humidity:
	81	+** Storage: 5 ~~ 95% (Non-Condensing)
	82	+** Operating: 10 ~~ 95% (Non-Condensing)
	83	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	84	+* LoRa Rx current: <9 mA
	85	+* I/O Voltage: 3.3v
	86	+
	87	+
	88	+
	89	+== 1.4  AT Command ==
	90	+
	91	+
	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.
	93	+
	94	+
	95	+
	96	+== 1.5  Dimension ==
	97	+
	98	+[[image:image-20220718094750-3.png]]
	99	+
	100	+
	101	+
	102	+== 1.6  Pin Mapping ==
	103	+
	104	+
	105	+[[image:image-20220719093156-1.png]]
	106	+
	107	+
	108	+
	109	+== 1.7  Land Pattern ==
	110	+
	111	+[[image:image-20220517072821-2.png]]
	112	+
	113	+
	114	+
	115	+= 2.  LA66 LoRaWAN Shield =
	116	+
	117	+
	118	+== 2.1  Overview ==
	119	+
	120	+
	121	+(((
17	17	[[image:image-20220715000826-2.png||height="145" width="220"]]
18	18	)))
19	19
...	...	@@ -27,7 +27,7 @@
27	27
28	28	(((
29	29	(((
30		-(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely.  This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
	135	+(% 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	32	)))
33	33
...	...	@@ -51,11 +51,10 @@
51	51
52	52
53	53
54		-== 1.2  Features ==
	159	+== 2.2  Features ==
55	55
56		-
57	57	* Arduino Shield base on LA66 LoRaWAN module
58		-* Support LoRaWAN v1.0.3 protocol
	162	+* 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
...	...	@@ -65,9 +65,10 @@
65	65	* Firmware upgradable via UART interface
66	66	* Ultra-long RF range
67	67
68		-== 1.3  Specification ==
69	69
70	70
	174	+== 2.3  Specification ==
	175	+
71	71	* CPU: 32-bit 48 MHz
72	72	* Flash: 256KB
73	73	* RAM: 64KB
...	...	@@ -86,285 +86,347 @@
86	86	* LoRa Rx current: <9 mA
87	87	* I/O Voltage: 3.3v
88	88
89		-== 1.4  Pin Mapping & LED ==
90	90
91	91
92		-[[image:image-20220817085048-1.png||height="533" width="734"]]
	196	+== 2.4  Pin Mapping & LED ==
93	93
94	94
95	95
96		-~1. The LED lights up red when there is an upstream data packet
97		-2. When the network is successfully connected, the green light will be on for 5 seconds
98		-3. Purple light on when receiving downlink data packets
	200	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
99	99
100	100
101		-[[image:image-20220820112305-1.png||height="515" width="749"]]
102	102
	204	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
103	103
104	104
105		-== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
106	106
	208	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
107	107
108		-**Show connection diagram：**
109	109
110	110
111		-[[image:image-20220723170210-2.png||height="908" width="681"]]
	212	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
112	112
113	113
	215	+=== 2.8.1  Items needed for update ===
114	114
115		-(% style="color:blue" %)**1.  open Arduino IDE**
	217	+1. LA66 LoRaWAN Shield
	218	+1. Arduino
	219	+1. USB TO TTL Adapter
116	116
	221	+[[image:image-20220602100052-2.png||height="385" width="600"]]
117	117
118		-[[image:image-20220723170545-4.png]]
119	119
	224	+=== 2.8.2  Connection ===
120	120
121	121
122		-(% style="color:blue" %)**2.  Open project**
	227	+[[image:image-20220602101311-3.png||height="276" width="600"]]
123	123
124	124
125		-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]]
	230	+(((
	231	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	232	+)))
126	126
	234	+(((
	235	+(% style="background-color:yellow" %)**GND  <-> GND
	236	+TXD  <->  TXD
	237	+RXD  <->  RXD**
	238	+)))
127	127
128		-[[image:image-20220726135239-1.png]]
129	129
	241	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
130	130
	243	+Connect USB TTL Adapter to PC after connecting the wires
131	131
132		-(% 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**
133	133
	246	+[[image:image-20220602102240-4.png||height="304" width="600"]]
134	134
135		-[[image:image-20220726135356-2.png]]
136	136
	249	+=== 2.8.3  Upgrade steps ===
137	137
138	138
139		-(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
	252	+==== 1.  Switch SW1 to put in ISP position ====
140	140
141	141
142		-[[image:image-20220723172235-7.png||height="480" width="1027"]]
	255	+[[image:image-20220602102824-5.png||height="306" width="600"]]
143	143
144	144
145	145
146		-== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
	259	+==== 2.  Press the RST switch once ====
147	147
148	148
149		-(% style="color:blue" %)**1.  Open project**
	262	+[[image:image-20220602104701-12.png||height="285" width="600"]]
150	150
151	151
152		-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]]
153	153
	266	+==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
154	154
155		-[[image:image-20220723172502-8.png]]
156	156
	269	+(((
	270	+(% 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/]]**
	271	+)))
157	157
158	158
159		-(% style="color:blue" %)**2.  Same steps as 1.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
	274	+[[image:image-20220602103227-6.png]]
160	160
161	161
162		-[[image:image-20220723172938-9.png||height="652" width="1050"]]
	277	+[[image:image-20220602103357-7.png]]
163	163
164	164
165	165
166		-== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
	281	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	282	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
167	167
168	168
169		-(% style="color:blue" %)**1.  Open project**
	285	+[[image:image-20220602103844-8.png]]
170	170
171	171
172		-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]]
173	173
	289	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	290	+(% style="color:blue" %)**3. Select the bin file to burn**
174	174
175		-[[image:image-20220723173341-10.png||height="581" width="1014"]]
176	176
	293	+[[image:image-20220602104144-9.png]]
177	177
178	178
179		-(% 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**
	296	+[[image:image-20220602104251-10.png]]
180	180
181	181
182		-[[image:image-20220723173950-11.png||height="665" width="1012"]]
	299	+[[image:image-20220602104402-11.png]]
183	183
184	184
185		-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]]
186	186
	303	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	304	+(% style="color:blue" %)**4. Click to start the download**
187	187
	306	+[[image:image-20220602104923-13.png]]
188	188
189		-(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
190	190
191	191
192		-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/]]
	310	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	311	+(% style="color:blue" %)**5. Check update process**
193	193
194	194
195		-[[image:image-20220723175700-12.png||height="602" width="995"]]
	314	+[[image:image-20220602104948-14.png]]
196	196
197		-== 1.8 Example: How to join helium ==
198	198
199	199
200		-(% style="color:blue" %)**1. Create a new device.**
	318	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	319	+(% style="color:blue" %)**The following picture shows that the burning is successful**
201	201
202		-[[image:image-20220907165500-1.png||height="464" width="940"]]
	321	+[[image:image-20220602105251-15.png]]
203	203
204	204
205		-(% style="color:blue" %)**2. Save the device after filling in the necessary information.**
206	206
207		-[[image:image-20220907165837-2.png||height="375" width="809"]]
	325	+= 3.  LA66 USB LoRaWAN Adapter =
208	208
209	209
210		-(% style="color:blue" %)**3.  Use AT commands.**
	328	+== 3.1  Overview ==
211	211
212		-[[image:image-20220602100052-2.png||height="385" width="600"]]
213	213
	331	+[[image:image-20220715001142-3.png||height="145" width="220"]]
214	214
215		-(% style="color:#0000ff" %)**4.Use command AT+CFG to get device configuration**
216	216
217		-[[image:image-20220907170308-3.png||height="556" width="617"]]
	334	+(((
	335	+(% 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.
	336	+)))
218	218
	338	+(((
	339	+(% 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.
	340	+)))
219	219
220		-(% style="color:blue" %)**5.  Network successfully.**
	342	+(((
	343	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	344	+)))
221	221
222		-[[image:image-20220907170436-4.png]]
	346	+(((
	347	+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.
	348	+)))
223	223
	350	+(((
	351	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	352	+)))
224	224
225		-(% style="color:blue" %)**6.  Send uplink using command**
226	226
227		-[[image:image-20220907170659-5.png]]
228	228
229		-[[image:image-20220907170744-6.png||height="242" width="798"]]
	356	+== 3.2  Features ==
230	230
	358	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	359	+* Ultra-long RF range
	360	+* Support LoRaWAN v1.0.4 protocol
	361	+* Support peer-to-peer protocol
	362	+* TCXO crystal to ensure RF performance on low temperature
	363	+* Spring RF antenna
	364	+* Available in different frequency LoRaWAN frequency bands.
	365	+* World-wide unique OTAA keys.
	366	+* AT Command via UART-TTL interface
	367	+* Firmware upgradable via UART interface
	368	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
231	231
232		-== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
233	233
234	234
235		-=== 1.9.1  Items needed for update ===
	372	+== 3.3  Specification ==
236	236
	374	+* CPU: 32-bit 48 MHz
	375	+* Flash: 256KB
	376	+* RAM: 64KB
	377	+* Input Power Range: 5v
	378	+* Frequency Range: 150 MHz ~~ 960 MHz
	379	+* Maximum Power +22 dBm constant RF output
	380	+* High sensitivity: -148 dBm
	381	+* Temperature:
	382	+** Storage: -55 ~~ +125℃
	383	+** Operating: -40 ~~ +85℃
	384	+* Humidity:
	385	+** Storage: 5 ~~ 95% (Non-Condensing)
	386	+** Operating: 10 ~~ 95% (Non-Condensing)
	387	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	388	+* LoRa Rx current: <9 mA
237	237
238		-1. LA66 LoRaWAN Shield
239		-1. Arduino
240		-1. USB TO TTL Adapter
241	241
242		-[[image:image-20220602100052-2.png||height="385" width="600"]]
243	243
	392	+== 3.4  Pin Mapping & LED ==
244	244
245	245
246		-=== 1.9.2  Connection ===
247	247
	396	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
248	248
249		-[[image:image-20220602101311-3.png||height="276" width="600"]]
250	250
251		-
252	252	(((
253		-(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	400	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
254	254	)))
255	255
256		-(((
257		-(% style="background-color:yellow" %)**GND  <-> GND
258		-TXD  <->  TXD
259		-RXD  <->  RXD**
260		-)))
261	261
	404	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
262	262
263		-Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
264	264
265		-Connect USB TTL Adapter to PC after connecting the wires
	407	+[[image:image-20220602171217-1.png||height="538" width="800"]]
266	266
267	267
268		-[[image:image-20220602102240-4.png||height="304" width="600"]]
	410	+Open the serial port tool
269	269
	412	+[[image:image-20220602161617-8.png]]
270	270
	414	+[[image:image-20220602161718-9.png||height="457" width="800"]]
271	271
272		-=== 1.9.3  Upgrade steps ===
273	273
274	274
	418	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
275	275
276		-==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
	420	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
277	277
278	278
279		-[[image:image-20220602102824-5.png||height="306" width="600"]]
	423	+[[image:image-20220602161935-10.png||height="498" width="800"]]
280	280
281	281
282	282
283		-==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
	427	+(% style="color:blue" %)**3. See Uplink Command**
284	284
	429	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
285	285
286		-[[image:image-20220817085447-1.png]]
	431	+example: AT+SENDB=01,02,8,05820802581ea0a5
287	287
	433	+[[image:image-20220602162157-11.png||height="497" width="800"]]
288	288
289	289
290	290
291		-==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
	437	+(% style="color:blue" %)**4. Check to see if TTN received the message**
292	292
	439	+[[image:image-20220602162331-12.png||height="420" width="800"]]
293	293
294		-(((
295		-(% 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]]**
296		-)))
297	297
298	298
299		-[[image:image-20220602103227-6.png]]
	443	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
300	300
301	301
302		-[[image:image-20220602103357-7.png]]
	446	+**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]]
303	303
304	304
	449	+(% style="color:red" %)**Preconditions:**
305	305
306		-(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
307		-(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	451	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
308	308
	453	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
309	309
310		-[[image:image-20220602103844-8.png]]
311	311
312	312
	457	+(% style="color:blue" %)**Steps for usage:**
313	313
314		-(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
315		-(% style="color:blue" %)**3. Select the bin file to burn**
	459	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
316	316
	461	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
317	317
318		-[[image:image-20220602104144-9.png]]
	463	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
319	319
320	320
321		-[[image:image-20220602104251-10.png]]
322	322
	467	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
323	323
324		-[[image:image-20220602104402-11.png]]
325	325
	470	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
326	326
327	327
328		-(% class="wikigeneratedid" id="HClicktostartthedownload" %)
329		-(% style="color:blue" %)**4. Click to start the download**
	473	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
330	330
	475	+[[image:image-20220602171233-2.png||height="538" width="800"]]
331	331
332		-[[image:image-20220602104923-13.png]]
333	333
334	334
	479	+(% style="color:blue" %)**2. Install Minicom in RPi.**
335	335
336		-(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
337		-(% style="color:blue" %)**5. Check update process**
	481	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
338	338
	483	+ (% style="background-color:yellow" %)**apt update**
339	339
340		-[[image:image-20220602104948-14.png]]
	485	+ (% style="background-color:yellow" %)**apt install minicom**
341	341
342	342
	488	+Use minicom to connect to the RPI's terminal
343	343
344		-(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
345		-(% style="color:blue" %)**The following picture shows that the burning is successful**
	490	+[[image:image-20220602153146-3.png||height="439" width="500"]]
346	346
347	347
348		-[[image:image-20220602105251-15.png]]
349	349
	494	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
350	350
	496	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
351	351
352		-= 2.  FAQ =
353	353
	499	+[[image:image-20220602154928-5.png||height="436" width="500"]]
354	354
355		-== 2.1  How to Compile Source Code for LA66? ==
356	356
357	357
358		-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]]
	503	+(% style="color:blue" %)**4. Send Uplink message**
359	359
	505	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
360	360
	507	+example: AT+SENDB=01,02,8,05820802581ea0a5
361	361
362		-= 3.  Order Info =
363	363
	510	+[[image:image-20220602160339-6.png||height="517" width="600"]]
364	364
365		-**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
366	366
367	367
	514	+Check to see if TTN received the message
	515	+
	516	+[[image:image-20220602160627-7.png||height="369" width="800"]]
	517	+
	518	+
	519	+
	520	+== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	521	+
	522	+
	523	+
	524	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	525	+
	526	+
	527	+
	528	+
	529	+= 4.  Order Info =
	530	+
	531	+
	532	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	533	+
	534	+
368	368	(% style="color:blue" %)**XXX**(%%): The default frequency band
369	369
370	370	* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
...	...	@@ -378,9 +378,6 @@
378	378	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
379	379
380	380
381		-= 4.  Reference =
	548	+= 5.  Reference =
382	382
383		-
384		-* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
385		-
386		-
	550	+* 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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