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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
...	...	@@ -124,120 +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		-=== what needs to be used ===
	198	+[[image:image-20220723170210-2.png||height="908" width="681"]]
138	138
139		-1.LA66 LoRaWAN Shield that needs to be upgraded
	200	+1.open Arduino IDE
140	140
141		-2.Arduino
	202	+[[image:image-20220723170545-4.png]]
142	142
143		-3.USB TO TTL
	204	+2.Open project
144	144
145		-[[image:image-20220602100052-2.png]]
	206	+[[image:image-20220723170750-5.png||height="533" width="930"]]
146	146
147		-=== Wiring Schematic ===
	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
148	148
149		-[[image:image-20220602101311-3.png]]
	210	+[[image:image-20220723171228-6.png]]
150	150
151		-LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
	212	+4.After the upload is successful, open the serial port monitoring and send the AT command
152	152
153		-GND  >>>>>>>>>>>>GND
	214	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
154	154
155		-TXD  >>>>>>>>>>>>TXD
	216	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
156	156
157		-RXD  >>>>>>>>>>>>RXD
	218	+1.Open project
158	158
159		-JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
	220	+[[image:image-20220723172502-8.png]]
160	160
161		-Connect to the PC after connecting the wires
	222	+2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
162	162
163		-[[image:image-20220602102240-4.png]]
	224	+[[image:image-20220723172938-9.png||height="652" width="1050"]]
164	164
165		-=== Upgrade steps ===
166	166
167		-==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
168	168
169		-[[image:image-20220602102824-5.png]]
	228	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
170	170
171		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
172	172
173		-[[image:image-20220602104701-12.png]]
	231	+**1.  Open project**
174	174
175		-==== Open the upgrade application software ====
176	176
177		-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	+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]]
178	178
	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	+
	262	+1. LA66 LoRaWAN Shield
	263	+1. Arduino
	264	+1. USB TO TTL Adapter
	265	+
	266	+[[image:image-20220602100052-2.png||height="385" width="600"]]
	267	+
	268	+
	269	+=== 2.8.2  Connection ===
	270	+
	271	+
	272	+[[image:image-20220602101311-3.png||height="276" width="600"]]
	273	+
	274	+
	275	+(((
	276	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	277	+)))
	278	+
	279	+(((
	280	+(% style="background-color:yellow" %)**GND  <-> GND
	281	+TXD  <->  TXD
	282	+RXD  <->  RXD**
	283	+)))
	284	+
	285	+
	286	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
	287	+
	288	+Connect USB TTL Adapter to PC after connecting the wires
	289	+
	290	+
	291	+[[image:image-20220602102240-4.png||height="304" width="600"]]
	292	+
	293	+
	294	+=== 2.8.3  Upgrade steps ===
	295	+
	296	+
	297	+==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
	298	+
	299	+
	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	+
179	179	[[image:image-20220602103227-6.png]]
180	180
	321	+
181	181	[[image:image-20220602103357-7.png]]
182	182
183		-===== Select the COM port corresponding to USB TTL =====
184	184
	325	+
	326	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	327	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	328	+
	329	+
185	185	[[image:image-20220602103844-8.png]]
186	186
187		-===== Select the bin file to burn =====
188	188
	333	+
	334	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	335	+(% style="color:blue" %)**3. Select the bin file to burn**
	336	+
	337	+
189	189	[[image:image-20220602104144-9.png]]
190	190
	340	+
191	191	[[image:image-20220602104251-10.png]]
192	192
	343	+
193	193	[[image:image-20220602104402-11.png]]
194	194
195		-===== Click to start the download =====
196	196
	347	+
	348	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	349	+(% style="color:blue" %)**4. Click to start the download**
	350	+
197	197	[[image:image-20220602104923-13.png]]
198	198
199		-===== The following figure appears to prove that the burning is in progress =====
200	200
	354	+
	355	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	356	+(% style="color:blue" %)**5. Check update process**
	357	+
	358	+
201	201	[[image:image-20220602104948-14.png]]
202	202
203		-===== The following picture appears to prove that the burning is successful =====
204	204
	362	+
	363	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	364	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	365	+
205	205	[[image:image-20220602105251-15.png]]
206	206
207	207
208		-== Order Info ==
209	209
210		-Part Number: **LA66-LoRaWAN-Shield-XXX**
	370	+= 3.  LA66 USB LoRaWAN Adapter =
211	211
212		-**XX**: The default frequency band
213	213
214		-* **AS923**: LoRaWAN AS923 band
215		-* **AU915**: LoRaWAN AU915 band
216		-* **EU433**: LoRaWAN EU433 band
217		-* **EU868**: LoRaWAN EU868 band
218		-* **KR920**: LoRaWAN KR920 band
219		-* **US915**: LoRaWAN US915 band
220		-* **IN865**: LoRaWAN IN865 band
221		-* **CN470**: LoRaWAN CN470 band
222		-* **PP**: Peer to Peer LoRa Protocol
	373	+== 3.1  Overview ==
223	223
224		-== Package Info ==
225	225
226		-* LA66 LoRaWAN Shield x 1
227		-* RF Antenna x 1
	376	+[[image:image-20220715001142-3.png||height="145" width="220"]]
228	228
229	229
	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	+)))
230	230
	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		-= LA66 USB LoRaWAN Adapter =
	387	+(((
	388	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	389	+)))
233	233
234		-== Overview ==
	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
236		-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.
	395	+(((
	396	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	397	+)))
237	237
238	238
239		-== Features ==
240	240
	401	+== 3.2  Features ==
	402	+
241	241	* LoRaWAN USB adapter base on LA66 LoRaWAN module
242	242	* Ultra-long RF range
243	243	* Support LoRaWAN v1.0.4 protocol
...	...	@@ -248,10 +248,11 @@
248	248	* World-wide unique OTAA keys.
249	249	* AT Command via UART-TTL interface
250	250	* Firmware upgradable via UART interface
	413	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
251	251
252	252
253	253
254		-== Specification ==
	417	+== 3.3  Specification ==
255	255
256	256	* CPU: 32-bit 48 MHz
257	257	* Flash: 256KB
...	...	@@ -271,118 +271,261 @@
271	271
272	272
273	273
274		-== Pin Mapping & LED ==
	437	+== 3.4  Pin Mapping & LED ==
275	275
276		-== Example Send & Get Messages via LoRaWAN in PC ==
277	277
278		-Connect the LA66 LoRa Shield to the PC
279	279
280		-[[image:image-20220602171217-1.png||height="615" width="915"]]
	441	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
281	281
	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	+
282	282	Open the serial port tool
283	283
284	284	[[image:image-20220602161617-8.png]]
285	285
286		-[[image:image-20220602161718-9.png||height="529" width="927"]]
	459	+[[image:image-20220602161718-9.png||height="457" width="800"]]
287	287
288		-Press the reset switch RST on the LA66 LoRa Shield.
289	289
290		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
291	291
292		-[[image:image-20220602161935-10.png]]
	463	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
293	293
294		-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
295	295
	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	+
296	296	example: AT+SENDB=01,02,8,05820802581ea0a5
297	297
298		-[[image:image-20220602162157-11.png]]
	478	+[[image:image-20220602162157-11.png||height="497" width="800"]]
299	299
300		-Check to see if TTN received the message
301	301
302		-[[image:image-20220602162331-12.png||height="547" width="1044"]]
303	303
304		-== Example Send & Get Messages via LoRaWAN in RPi ==
	482	+(% style="color:blue" %)**4. Check to see if TTN received the message**
305	305
306		-Connect the LA66 LoRa Shield to the RPI
	484	+[[image:image-20220602162331-12.png||height="420" width="800"]]
307	307
308		-[[image:image-20220602171233-2.png||height="592" width="881"]]
309	309
310		-Log in to the RPI's terminal and connect to the serial port
311	311
312		-[[image:image-20220602153146-3.png]]
	488	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
313	313
314		-Press the reset switch RST on the LA66 LoRa Shield.
315		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
316	316
317		-[[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]]
318	318
319		-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]])
320	320
	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	+
321	321	example: AT+SENDB=01,02,8,05820802581ea0a5
322	322
323		-[[image:image-20220602160339-6.png]]
324	324
	556	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	557	+
	558	+
	559	+
325	325	Check to see if TTN received the message
326	326
327		-[[image:image-20220602160627-7.png||height="468" width="1013"]]
	562	+[[image:image-20220602160627-7.png||height="369" width="800"]]
328	328
329		-=== Install Minicom ===
330	330
331		-Enter the following command in the RPI terminal
332	332
333		-apt update
	566	+== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
334	334
335		-[[image:image-20220602143155-1.png]]
336	336
337		-apt install minicom
	569	+=== 3.8.1 DRAGINO-LA66-APP ===
338	338
339		-[[image:image-20220602143744-2.png]]
340	340
341		-=== Send PC's CPU/RAM usage to TTN via script. ===
	572	+[[image:image-20220723102027-3.png]]
342	342
343		-==== Take python as an example： ====
344	344
345		-===== Preconditions: =====
346	346
347		-1.LA66 USB LoRaWAN Adapter works fine
	576	+==== (% style="color:blue" %)**Overview：**(%%) ====
348	348
349		-2.LA66 USB LoRaWAN Adapter  is registered with TTN
350	350
351		-===== 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.
352	352
353		-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）
354	354
355		-2.Run the script and see the TTN
356	356
357		-[[image:image-20220602115852-3.png]]
358	358
	585	+==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
359	359
360	360
361		-== 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
362	362
	590	+[[image:image-20220723104754-4.png]]
363	363
364		-== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
365	365
366	366
	594	+==== (% style="color:blue" %)**Use of APP:**(%%) ====
367	367
368		-== Order Info ==
369	369
370		-Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
	597	+Function and page introduction
371	371
372		-**XX**: The default frequency band
	599	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
373	373
374		-* **AS923**: LoRaWAN AS923 band
375		-* **AU915**: LoRaWAN AU915 band
376		-* **EU433**: LoRaWAN EU433 band
377		-* **EU868**: LoRaWAN EU868 band
378		-* **KR920**: LoRaWAN KR920 band
379		-* **US915**: LoRaWAN US915 band
380		-* **IN865**: LoRaWAN IN865 band
381		-* **CN470**: LoRaWAN CN470 band
382		-* **PP**: Peer to Peer LoRa Protocol
	601	+1.Display LA66 USB LoRaWAN Module connection status
383	383
384		-== Package Info ==
	603	+2.Check and reconnect
385	385
386		-* LA66 USB LoRaWAN Adapter x 1
	605	+3.Turn send timestamps on or off
387	387
388		-
	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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