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Details

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Author

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1		-XWiki.Edwin
	1	+XWiki.Xiaoling

Content

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1		-{{box cssClass="floatinginfobox" title="**Contents**"}}
	1	+
	2	+
	3	+**Table of Contents:**
	4	+
2	2	{{toc/}}
3		-{{/box}}
4	4
5		-= LA66 LoRaWAN Module =
6	6
7		-== What is LA66 LoRaWAN Module ==
8	8
	9	+= 1.  LA66 LoRaWAN Module =
	10	+
	11	+
	12	+== 1.1  What is LA66 LoRaWAN Module ==
	13	+
	14	+
	15	+(((
	16	+(((
	17	+[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
	18	+)))
	19	+
	20	+(((
	21	+
	22	+)))
	23	+
	24	+(((
9	9	(% 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	+)))
10	10
11		-(% 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.
	29	+(((
	30	+(((
	31	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
	32	+)))
	33	+)))
12	12
	35	+(((
	36	+(((
13	13	Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	38	+)))
14	14
	40	+(((
15	15	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	+)))
16	16
	45	+(((
	46	+(((
17	17	LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	48	+)))
	49	+)))
18	18
19	19
20		-== Features ==
21	21
	53	+== 1.2  Features ==
	54	+
22	22	* Support LoRaWAN v1.0.4 protocol
23	23	* Support peer-to-peer protocol
24	24	* TCXO crystal to ensure RF performance on low temperature
...	...	@@ -29,7 +29,7 @@
29	29	* Firmware upgradable via UART interface
30	30	* Ultra-long RF range
31	31
32		-== Specification ==
	65	+== 1.3  Specification ==
33	33
34	34	* CPU: 32-bit 48 MHz
35	35	* Flash: 256KB
...	...	@@ -49,50 +49,77 @@
49	49	* LoRa Rx current: <9 mA
50	50	* I/O Voltage: 3.3v
51	51
52		-== AT Command ==
	85	+== 1.4  AT Command ==
53	53
	87	+
54	54	AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
55	55
56	56
57		-== Dimension ==
58	58
59		-[[image:image-20220517072526-1.png]]
	92	+== 1.5  Dimension ==
60	60
	94	+[[image:image-20220718094750-3.png]]
61	61
62		-== Pin Mapping ==
63	63
64		-[[image:image-20220523101537-1.png]]
65	65
66		-== Land Pattern ==
	98	+== 1.6  Pin Mapping ==
67	67
	100	+[[image:image-20220720111850-1.png]]
	101	+
	102	+
	103	+
	104	+== 1.7  Land Pattern ==
	105	+
68	68	[[image:image-20220517072821-2.png]]
69	69
70	70
71		-== Order Info ==
72	72
73		-Part Number: **LA66-XXX**
	110	+= 2.  LA66 LoRaWAN Shield =
74	74
75		-**XX**: The default frequency band
76	76
77		-* **AS923**: LoRaWAN AS923 band
78		-* **AU915**: LoRaWAN AU915 band
79		-* **EU433**: LoRaWAN EU433 band
80		-* **EU868**: LoRaWAN EU868 band
81		-* **KR920**: LoRaWAN KR920 band
82		-* **US915**: LoRaWAN US915 band
83		-* **IN865**: LoRaWAN IN865 band
84		-* **CN470**: LoRaWAN CN470 band
85		-* **PP**: Peer to Peer LoRa Protocol
	113	+== 2.1  Overview ==
86	86
87		-= LA66 LoRaWAN Shield =
88	88
89		-== Overview ==
	116	+(((
	117	+[[image:image-20220715000826-2.png||height="145" width="220"]]
	118	+)))
90	90
91		-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.
	120	+(((
	121	+
	122	+)))
92	92
	124	+(((
	125	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
	126	+)))
93	93
94		-== Features ==
	128	+(((
	129	+(((
	130	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely.  This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
	131	+)))
	132	+)))
95	95
	134	+(((
	135	+(((
	136	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	137	+)))
	138	+)))
	139	+
	140	+(((
	141	+(((
	142	+Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
	143	+)))
	144	+)))
	145	+
	146	+(((
	147	+(((
	148	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	149	+)))
	150	+)))
	151	+
	152	+
	153	+
	154	+== 2.2  Features ==
	155	+
96	96	* Arduino Shield base on LA66 LoRaWAN module
97	97	* Support LoRaWAN v1.0.4 protocol
98	98	* Support peer-to-peer protocol
...	...	@@ -104,7 +104,7 @@
104	104	* Firmware upgradable via UART interface
105	105	* Ultra-long RF range
106	106
107		-== Specification ==
	167	+== 2.3  Specification ==
108	108
109	109	* CPU: 32-bit 48 MHz
110	110	* Flash: 256KB
...	...	@@ -124,118 +124,222 @@
124	124	* LoRa Rx current: <9 mA
125	125	* I/O Voltage: 3.3v
126	126
127		-== Pin Mapping & LED ==
	187	+== 2.4  LED ==
128	128
129		-== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
	189	+~1. The LED lights up red when there is an upstream data packet
	190	+2. When the network is successfully connected, the green light will be on for 5 seconds
	191	+3. Purple light on when receiving downlink data packets
130	130
131		-== Example: Join TTN network and send an uplink message, get downlink message. ==
132	132
133		-== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	194	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
134	134
135		-== Upgrade Firmware of LA66 LoRaWAN Shield ==
	196	+Show connection diagram：
136	136
137		-=== Items needed for update ===
	198	+[[image:image-20220723170210-2.png||height="908" width="681"]]
138	138
	200	+1.open Arduino IDE
	201	+
	202	+[[image:image-20220723170545-4.png]]
	203	+
	204	+2.Open project
	205	+
	206	+[[image:image-20220723170750-5.png||height="533" width="930"]]
	207	+
	208	+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
	209	+
	210	+[[image:image-20220723171228-6.png]]
	211	+
	212	+4.After the upload is successful, open the serial port monitoring and send the AT command
	213	+
	214	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
	215	+
	216	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
	217	+
	218	+1.Open project
	219	+
	220	+[[image:image-20220723172502-8.png]]
	221	+
	222	+2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
	223	+
	224	+[[image:image-20220723172938-9.png||height="652" width="1050"]]
	225	+
	226	+
	227	+
	228	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
	229	+
	230	+
	231	+**1.  Open project**
	232	+
	233	+
	234	+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]]
	235	+
	236	+
	237	+[[image:image-20220723173341-10.png||height="581" width="1014"]]
	238	+
	239	+
	240	+
	241	+**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
	242	+
	243	+
	244	+[[image:image-20220723173950-11.png||height="665" width="1012"]]
	245	+
	246	+
	247	+
	248	+**3.  Integration into Node-red via TTNV3**
	249	+
	250	+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/]]
	251	+
	252	+[[image:image-20220723175700-12.png||height="602" width="995"]]
	253	+
	254	+
	255	+
	256	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
	257	+
	258	+
	259	+=== 2.8.1  Items needed for update ===
	260	+
	261	+
139	139	1. LA66 LoRaWAN Shield
140	140	1. Arduino
141	141	1. USB TO TTL Adapter
142	142
143		-[[image:image-20220602100052-2.png||height="341" width="531"]]
	266	+[[image:image-20220602100052-2.png||height="385" width="600"]]
144	144
145	145
146		-=== Connection ===
	269	+=== 2.8.2  Connection ===
147	147
148		-[[image:image-20220602101311-3.png||height="350" width="760"]]
149	149
	272	+[[image:image-20220602101311-3.png||height="276" width="600"]]
150	150
151		-(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-----> (% style="color:blue" %)**USB TTL(%%)
152		-GND  <-----> GND
153		-TXD  <-----> TXD
154		-RXD  <-----> RXD
155	155
156		-JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
	275	+(((
	276	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	277	+)))
157	157
158		-Connect to the PC after connecting the wires
	279	+(((
	280	+(% style="background-color:yellow" %)**GND  <-> GND
	281	+TXD  <->  TXD
	282	+RXD  <->  RXD**
	283	+)))
159	159
160	160
	286	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
161	161
162		-[[image:image-20220602102240-4.png]]
	288	+Connect USB TTL Adapter to PC after connecting the wires
163	163
164		-=== Upgrade steps ===
165	165
166		-==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
	291	+[[image:image-20220602102240-4.png||height="304" width="600"]]
167	167
168		-[[image:image-20220602102824-5.png]]
169	169
170		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
	294	+=== 2.8.3  Upgrade steps ===
171	171
172		-[[image:image-20220602104701-12.png]]
173	173
174		-==== Open the upgrade application software ====
	297	+==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
175	175
176		-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/]]
177	177
	300	+[[image:image-20220602102824-5.png||height="306" width="600"]]
	301	+
	302	+
	303	+
	304	+==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
	305	+
	306	+
	307	+[[image:image-20220602104701-12.png||height="285" width="600"]]
	308	+
	309	+
	310	+
	311	+==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
	312	+
	313	+
	314	+(((
	315	+(% 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/]]**
	316	+)))
	317	+
	318	+
178	178	[[image:image-20220602103227-6.png]]
179	179
	321	+
180	180	[[image:image-20220602103357-7.png]]
181	181
182		-===== Select the COM port corresponding to USB TTL =====
183	183
	325	+
	326	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	327	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	328	+
	329	+
184	184	[[image:image-20220602103844-8.png]]
185	185
186		-===== Select the bin file to burn =====
187	187
	333	+
	334	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	335	+(% style="color:blue" %)**3. Select the bin file to burn**
	336	+
	337	+
188	188	[[image:image-20220602104144-9.png]]
189	189
	340	+
190	190	[[image:image-20220602104251-10.png]]
191	191
	343	+
192	192	[[image:image-20220602104402-11.png]]
193	193
194		-===== Click to start the download =====
195	195
	347	+
	348	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	349	+(% style="color:blue" %)**4. Click to start the download**
	350	+
196	196	[[image:image-20220602104923-13.png]]
197	197
198		-===== The following figure appears to prove that the burning is in progress =====
199	199
	354	+
	355	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	356	+(% style="color:blue" %)**5. Check update process**
	357	+
	358	+
200	200	[[image:image-20220602104948-14.png]]
201	201
202		-===== The following picture appears to prove that the burning is successful =====
203	203
	362	+
	363	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	364	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	365	+
204	204	[[image:image-20220602105251-15.png]]
205	205
206	206
207		-== Order Info ==
208	208
209		-Part Number: **LA66-LoRaWAN-Shield-XXX**
	370	+= 3.  LA66 USB LoRaWAN Adapter =
210	210
211		-**XX**: The default frequency band
212	212
213		-* **AS923**: LoRaWAN AS923 band
214		-* **AU915**: LoRaWAN AU915 band
215		-* **EU433**: LoRaWAN EU433 band
216		-* **EU868**: LoRaWAN EU868 band
217		-* **KR920**: LoRaWAN KR920 band
218		-* **US915**: LoRaWAN US915 band
219		-* **IN865**: LoRaWAN IN865 band
220		-* **CN470**: LoRaWAN CN470 band
221		-* **PP**: Peer to Peer LoRa Protocol
	373	+== 3.1  Overview ==
222	222
223		-== Package Info ==
224	224
225		-* LA66 LoRaWAN Shield x 1
226		-* RF Antenna x 1
	376	+[[image:image-20220715001142-3.png||height="145" width="220"]]
227	227
228	228
	379	+(((
	380	+(% 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.
	381	+)))
229	229
230		-= LA66 USB LoRaWAN Adapter =
	383	+(((
	384	+(% 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.
	385	+)))
231	231
232		-== Overview ==
	387	+(((
	388	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	389	+)))
233	233
234		-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.
	391	+(((
	392	+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.
	393	+)))
235	235
	395	+(((
	396	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	397	+)))
236	236
237		-== Features ==
238	238
	400	+
	401	+== 3.2  Features ==
	402	+
239	239	* LoRaWAN USB adapter base on LA66 LoRaWAN module
240	240	* Ultra-long RF range
241	241	* Support LoRaWAN v1.0.4 protocol
...	...	@@ -246,10 +246,12 @@
246	246	* World-wide unique OTAA keys.
247	247	* AT Command via UART-TTL interface
248	248	* Firmware upgradable via UART interface
	413	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
249	249
250	250
251		-== Specification ==
252	252
	417	+== 3.3  Specification ==
	418	+
253	253	* CPU: 32-bit 48 MHz
254	254	* Flash: 256KB
255	255	* RAM: 64KB
...	...	@@ -267,118 +267,262 @@
267	267	* LoRa Rx current: <9 mA
268	268
269	269
270		-== Pin Mapping & LED ==
271	271
272		-== Example Send & Get Messages via LoRaWAN in PC ==
	437	+== 3.4  Pin Mapping & LED ==
273	273
274		-Connect the LA66 LoRa Shield to the PC
275	275
276		-[[image:image-20220602171217-1.png||height="615" width="915"]]
277	277
	441	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
	442	+
	443	+
	444	+(((
	445	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	446	+)))
	447	+
	448	+
	449	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
	450	+
	451	+
	452	+[[image:image-20220723100027-1.png]]
	453	+
	454	+
278	278	Open the serial port tool
279	279
280	280	[[image:image-20220602161617-8.png]]
281	281
282		-[[image:image-20220602161718-9.png||height="529" width="927"]]
	459	+[[image:image-20220602161718-9.png||height="457" width="800"]]
283	283
284		-Press the reset switch RST on the LA66 LoRa Shield.
285	285
286		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
287	287
288		-[[image:image-20220602161935-10.png]]
	463	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
289	289
290		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	465	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
291	291
	467	+
	468	+[[image:image-20220602161935-10.png||height="498" width="800"]]
	469	+
	470	+
	471	+
	472	+(% style="color:blue" %)**3. See Uplink Command**
	473	+
	474	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	475	+
292	292	example: AT+SENDB=01,02,8,05820802581ea0a5
293	293
294		-[[image:image-20220602162157-11.png]]
	478	+[[image:image-20220602162157-11.png||height="497" width="800"]]
295	295
296		-Check to see if TTN received the message
297	297
298		-[[image:image-20220602162331-12.png||height="547" width="1044"]]
299	299
300		-== Example Send & Get Messages via LoRaWAN in RPi ==
	482	+(% style="color:blue" %)**4. Check to see if TTN received the message**
301	301
302		-Connect the LA66 LoRa Shield to the RPI
	484	+[[image:image-20220602162331-12.png||height="420" width="800"]]
303	303
304		-[[image:image-20220602171233-2.png||height="592" width="881"]]
305	305
306		-Log in to the RPI's terminal and connect to the serial port
307	307
308		-[[image:image-20220602153146-3.png]]
	488	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
309	309
310		-Press the reset switch RST on the LA66 LoRa Shield.
311		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
312	312
313		-[[image:image-20220602154928-5.png]]
	491	+**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]]
314	314
315		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	493	+(**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]])
316	316
	495	+(% style="color:red" %)**Preconditions:**
	496	+
	497	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
	498	+
	499	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
	500	+
	501	+
	502	+
	503	+(% style="color:blue" %)**Steps for usage:**
	504	+
	505	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	506	+
	507	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
	508	+
	509	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
	510	+
	511	+
	512	+
	513	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
	514	+
	515	+
	516	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	517	+
	518	+
	519	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	520	+
	521	+[[image:image-20220723100439-2.png]]
	522	+
	523	+
	524	+
	525	+(% style="color:blue" %)**2. Install Minicom in RPi.**
	526	+
	527	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
	528	+
	529	+ (% style="background-color:yellow" %)**apt update**
	530	+
	531	+ (% style="background-color:yellow" %)**apt install minicom**
	532	+
	533	+
	534	+Use minicom to connect to the RPI's terminal
	535	+
	536	+[[image:image-20220602153146-3.png||height="439" width="500"]]
	537	+
	538	+
	539	+
	540	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	541	+
	542	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	543	+
	544	+
	545	+[[image:image-20220602154928-5.png||height="436" width="500"]]
	546	+
	547	+
	548	+
	549	+(% style="color:blue" %)**4. Send Uplink message**
	550	+
	551	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	552	+
317	317	example: AT+SENDB=01,02,8,05820802581ea0a5
318	318
319		-[[image:image-20220602160339-6.png]]
320	320
	556	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	557	+
	558	+
	559	+
321	321	Check to see if TTN received the message
322	322
323		-[[image:image-20220602160627-7.png||height="468" width="1013"]]
	562	+[[image:image-20220602160627-7.png||height="369" width="800"]]
324	324
325		-=== Install Minicom ===
326	326
327		-Enter the following command in the RPI terminal
328	328
329		-apt update
	566	+== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
330	330
331		-[[image:image-20220602143155-1.png]]
332	332
333		-apt install minicom
	569	+=== 3.8.1 DRAGINO-LA66-APP ===
334	334
335		-[[image:image-20220602143744-2.png]]
336	336
337		-=== Send PC's CPU/RAM usage to TTN via script. ===
	572	+[[image:image-20220723102027-3.png]]
338	338
339		-==== Take python as an example： ====
340	340
341		-===== Preconditions: =====
342	342
343		-1.LA66 USB LoRaWAN Adapter works fine
	576	+==== (% style="color:blue" %)**Overview：**(%%) ====
344	344
345		-2.LA66 USB LoRaWAN Adapter  is registered with TTN
346	346
347		-===== Steps for usage =====
	579	+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.
348	348
349		-1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	581	+View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
350	350
351		-2.Run the script and see the TTN
352	352
353		-[[image:image-20220602115852-3.png]]
354	354
	585	+==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
355	355
356	356
357		-== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	588	+Requires a type-c to USB adapter
358	358
	590	+[[image:image-20220723104754-4.png]]
359	359
360		-== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
361	361
362	362
	594	+==== (% style="color:blue" %)**Use of APP:**(%%) ====
363	363
364		-== Order Info ==
365	365
366		-Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
	597	+Function and page introduction
367	367
368		-**XX**: The default frequency band
	599	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
369	369
370		-* **AS923**: LoRaWAN AS923 band
371		-* **AU915**: LoRaWAN AU915 band
372		-* **EU433**: LoRaWAN EU433 band
373		-* **EU868**: LoRaWAN EU868 band
374		-* **KR920**: LoRaWAN KR920 band
375		-* **US915**: LoRaWAN US915 band
376		-* **IN865**: LoRaWAN IN865 band
377		-* **CN470**: LoRaWAN CN470 band
378		-* **PP**: Peer to Peer LoRa Protocol
	601	+1.Display LA66 USB LoRaWAN Module connection status
379	379
380		-== Package Info ==
	603	+2.Check and reconnect
381	381
382		-* LA66 USB LoRaWAN Adapter x 1
	605	+3.Turn send timestamps on or off
383	383
384		-
	607	+4.Display LoRaWan connection status
	608	+
	609	+5.Check LoRaWan connection status
	610	+
	611	+6.The RSSI value of the node when the ACK is received
	612	+
	613	+7.Node's Signal Strength Icon
	614	+
	615	+8.Set the packet sending interval of the node in seconds
	616	+
	617	+9.AT command input box
	618	+
	619	+10.Send AT command button
	620	+
	621	+11.Node log box
	622	+
	623	+12.clear log button
	624	+
	625	+13.exit button
	626	+
	627	+
	628	+LA66 USB LoRaWAN Module not connected
	629	+
	630	+[[image:image-20220723110520-5.png||height="903" width="677"]]
	631	+
	632	+
	633	+
	634	+Connect LA66 USB LoRaWAN Module
	635	+
	636	+[[image:image-20220723110626-6.png||height="906" width="680"]]
	637	+
	638	+
	639	+
	640	+=== 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 ===
	641	+
	642	+
	643	+**1.  Register LA66 USB LoRaWAN Module to TTNV3**
	644	+
	645	+[[image:image-20220723134549-8.png]]
	646	+
	647	+
	648	+
	649	+**2.  Open Node-RED,And import the JSON file to generate the flow**
	650	+
	651	+Sample JSON file please go to this link to download：放置JSON文件的链接
	652	+
	653	+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/]]
	654	+
	655	+The following is the positioning effect map
	656	+
	657	+[[image:image-20220723144339-1.png]]
	658	+
	659	+
	660	+
	661	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	662	+
	663	+
	664	+The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
	665	+
	666	+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)
	667	+
	668	+[[image:image-20220723150132-2.png]]
	669	+
	670	+
	671	+
	672	+= 4.  Order Info =
	673	+
	674	+
	675	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	676	+
	677	+
	678	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	679	+
	680	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	681	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	682	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	683	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	684	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	685	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	686	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	687	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	688	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	689	+
	690	+
	691	+= 5.  Reference =
	692	+
	693	+
	694	+* 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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