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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
...	...	@@ -29,9 +29,8 @@
29	29	* Firmware upgradable via UART interface
30	30	* Ultra-long RF range
31	31
	65	+== 1.3  Specification ==
32	32
33		-== Specification ==
34		-
35	35	* CPU: 32-bit 48 MHz
36	36	* Flash: 256KB
37	37	* RAM: 64KB
...	...	@@ -50,52 +50,77 @@
50	50	* LoRa Rx current: <9 mA
51	51	* I/O Voltage: 3.3v
52	52
53		-== AT Command ==
	85	+== 1.4  AT Command ==
54	54
	87	+
55	55	AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
56	56
57	57
58		-== Dimension ==
59	59
60		-[[image:image-20220517072526-1.png]]
	92	+== 1.5  Dimension ==
61	61
	94	+[[image:image-20220718094750-3.png]]
62	62
63		-== Pin Mapping ==
64	64
65		-[[image:image-20220523101537-1.png]]
66	66
67		-== Land Pattern ==
	98	+== 1.6  Pin Mapping ==
68	68
	100	+[[image:image-20220720111850-1.png]]
	101	+
	102	+
	103	+
	104	+== 1.7  Land Pattern ==
	105	+
69	69	[[image:image-20220517072821-2.png]]
70	70
71	71
72		-== Part Number ==
73	73
74		-Part Number: **LA66-XXX**
	110	+= 2.  LA66 LoRaWAN Shield =
75	75
76		-**XX**: The default frequency band
77	77
78		-* **AS923**: LoRaWAN AS923 band
79		-* **AU915**: LoRaWAN AU915 band
80		-* **EU433**: LoRaWAN EU433 band
81		-* **EU868**: LoRaWAN EU868 band
82		-* **KR920**: LoRaWAN KR920 band
83		-* **US915**: LoRaWAN US915 band
84		-* **IN865**: LoRaWAN IN865 band
85		-* **CN470**: LoRaWAN CN470 band
86		-* **PP**: Peer to Peer LoRa Protocol
	113	+== 2.1  Overview ==
87	87
88	88
	116	+(((
	117	+[[image:image-20220715000826-2.png||height="145" width="220"]]
	118	+)))
89	89
90		-= LA66 LoRaWAN Shield =
	120	+(((
	121	+
	122	+)))
91	91
92		-== Overview ==
	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		-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.
	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	+)))
96	96
97		-== Features ==
	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	+)))
98	98
	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	+
99	99	* Arduino Shield base on LA66 LoRaWAN module
100	100	* Support LoRaWAN v1.0.4 protocol
101	101	* Support peer-to-peer protocol
...	...	@@ -107,9 +107,8 @@
107	107	* Firmware upgradable via UART interface
108	108	* Ultra-long RF range
109	109
	167	+== 2.3  Specification ==
110	110
111		-== Specification ==
112		-
113	113	* CPU: 32-bit 48 MHz
114	114	* Flash: 256KB
115	115	* RAM: 64KB
...	...	@@ -128,183 +128,511 @@
128	128	* LoRa Rx current: <9 mA
129	129	* I/O Voltage: 3.3v
130	130
	187	+== 2.4  LED ==
131	131
132		-== Pin Mapping & LED ==
	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
133	133
134		-== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
135	135
136		-== Example: Join TTN network and send an uplink message, get downlink message. ==
	194	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
137	137
138		-== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	196	+Show connection diagram：
139	139
140		-== Upgrade Firmware of LA66 LoRaWAN Shield ==
	198	+[[image:image-20220723170210-2.png||height="908" width="681"]]
141	141
142		-=== what needs to be used ===
	200	+1.open Arduino IDE
143	143
144		-1.LA66 LoRaWAN Shield that needs to be upgraded
	202	+[[image:image-20220723170545-4.png]]
145	145
146		-2.Arduino
	204	+2.Open project
147	147
148		-3.USB TO TTL
	206	+[[image:image-20220723170750-5.png||height="533" width="930"]]
149	149
150		-[[image:image-20220602100052-2.png]]
	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
151	151
152		-=== Wiring Schematic ===
	210	+[[image:image-20220723171228-6.png]]
153	153
154		-[[image:image-20220602101311-3.png]]
	212	+4.After the upload is successful, open the serial port monitoring and send the AT command
155	155
156		-LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
	214	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
157	157
158		-GND  >>>>>>>>>>>>GND
	216	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
159	159
160		-TXD  >>>>>>>>>>>>TXD
	218	+1.Open project
161	161
162		-RXD  >>>>>>>>>>>>RXD
	220	+[[image:image-20220723172502-8.png]]
163	163
164		-JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
	222	+2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
165	165
166		-Connect to the PC after connecting the wires
	224	+[[image:image-20220723172938-9.png||height="652" width="1050"]]
167	167
168		-[[image:image-20220602102240-4.png]]
169	169
170		-=== Upgrade steps ===
171	171
172		-==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
	228	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
173	173
174		-[[image:image-20220602102824-5.png]]
175	175
176		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
	231	+**1.  Open project**
177	177
178		-[[image:image-20220602104701-12.png]]
179	179
180		-==== Open the upgrade application software ====
	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]]
181	181
182		-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/]]
183	183
	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	+
184	184	[[image:image-20220602103227-6.png]]
185	185
	321	+
186	186	[[image:image-20220602103357-7.png]]
187	187
188		-===== Select the COM port corresponding to USB TTL =====
189	189
	325	+
	326	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	327	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	328	+
	329	+
190	190	[[image:image-20220602103844-8.png]]
191	191
192		-===== Select the bin file to burn =====
193	193
	333	+
	334	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	335	+(% style="color:blue" %)**3. Select the bin file to burn**
	336	+
	337	+
194	194	[[image:image-20220602104144-9.png]]
195	195
	340	+
196	196	[[image:image-20220602104251-10.png]]
197	197
	343	+
198	198	[[image:image-20220602104402-11.png]]
199	199
200		-===== Click to start the download =====
201	201
	347	+
	348	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	349	+(% style="color:blue" %)**4. Click to start the download**
	350	+
202	202	[[image:image-20220602104923-13.png]]
203	203
204		-===== The following figure appears to prove that the burning is in progress =====
205	205
	354	+
	355	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	356	+(% style="color:blue" %)**5. Check update process**
	357	+
	358	+
206	206	[[image:image-20220602104948-14.png]]
207	207
208		-===== The following picture appears to prove that the burning is successful =====
209	209
	362	+
	363	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	364	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	365	+
210	210	[[image:image-20220602105251-15.png]]
211	211
212		-= LA66 USB LoRaWAN Adapter =
213	213
214		-LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
215	215
216		-Before use, please make sure that the computer has installed the CP2102 driver
	370	+= 3.  LA66 USB LoRaWAN Adapter =
217	217
218		-== Pin Mapping & LED ==
219	219
220		-== Example Send & Get Messages via LoRaWAN in PC ==
	373	+== 3.1  Overview ==
221	221
222		-Connect the LA66 LoRa Shield to the PC
223	223
224		-[[image:image-20220602171217-1.png||height="615" width="915"]]
	376	+[[image:image-20220715001142-3.png||height="145" width="220"]]
225	225
	378	+
	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	+)))
	382	+
	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	+)))
	386	+
	387	+(((
	388	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	389	+)))
	390	+
	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	+)))
	394	+
	395	+(((
	396	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	397	+)))
	398	+
	399	+
	400	+
	401	+== 3.2  Features ==
	402	+
	403	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	404	+* Ultra-long RF range
	405	+* Support LoRaWAN v1.0.4 protocol
	406	+* Support peer-to-peer protocol
	407	+* TCXO crystal to ensure RF performance on low temperature
	408	+* Spring RF antenna
	409	+* Available in different frequency LoRaWAN frequency bands.
	410	+* World-wide unique OTAA keys.
	411	+* AT Command via UART-TTL interface
	412	+* Firmware upgradable via UART interface
	413	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
	414	+
	415	+
	416	+
	417	+== 3.3  Specification ==
	418	+
	419	+* CPU: 32-bit 48 MHz
	420	+* Flash: 256KB
	421	+* RAM: 64KB
	422	+* Input Power Range: 5v
	423	+* Frequency Range: 150 MHz ~~ 960 MHz
	424	+* Maximum Power +22 dBm constant RF output
	425	+* High sensitivity: -148 dBm
	426	+* Temperature:
	427	+** Storage: -55 ~~ +125℃
	428	+** Operating: -40 ~~ +85℃
	429	+* Humidity:
	430	+** Storage: 5 ~~ 95% (Non-Condensing)
	431	+** Operating: 10 ~~ 95% (Non-Condensing)
	432	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	433	+* LoRa Rx current: <9 mA
	434	+
	435	+
	436	+
	437	+== 3.4  Pin Mapping & LED ==
	438	+
	439	+
	440	+
	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	+
226	226	Open the serial port tool
227	227
228	228	[[image:image-20220602161617-8.png]]
229	229
230		-[[image:image-20220602161718-9.png||height="529" width="927"]]
	459	+[[image:image-20220602161718-9.png||height="457" width="800"]]
231	231
232		-Press the reset switch RST on the LA66 LoRa Shield.
233	233
234		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
235	235
236		-[[image:image-20220602161935-10.png]]
	463	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
237	237
238		-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
239	239
	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	+
240	240	example: AT+SENDB=01,02,8,05820802581ea0a5
241	241
242		-[[image:image-20220602162157-11.png]]
	478	+[[image:image-20220602162157-11.png||height="497" width="800"]]
243	243
244		-Check to see if TTN received the message
245	245
246		-[[image:image-20220602162331-12.png||height="547" width="1044"]]
247	247
248		-== Example Send & Get Messages via LoRaWAN in RPi ==
	482	+(% style="color:blue" %)**4. Check to see if TTN received the message**
249	249
250		-Connect the LA66 LoRa Shield to the RPI
	484	+[[image:image-20220602162331-12.png||height="420" width="800"]]
251	251
252		-[[image:image-20220602171233-2.png||height="592" width="881"]]
253	253
254		-Log in to the RPI's terminal and connect to the serial port
255	255
256		-[[image:image-20220602153146-3.png]]
	488	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
257	257
258		-Press the reset switch RST on the LA66 LoRa Shield.
259		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
260	260
261		-[[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]]
262	262
263		-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]])
264	264
	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	+
265	265	example: AT+SENDB=01,02,8,05820802581ea0a5
266	266
267		-[[image:image-20220602160339-6.png]]
268	268
	556	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	557	+
	558	+
	559	+
269	269	Check to see if TTN received the message
270	270
271		-[[image:image-20220602160627-7.png||height="468" width="1013"]]
	562	+[[image:image-20220602160627-7.png||height="369" width="800"]]
272	272
273		-=== Install Minicom ===
274	274
275		-Enter the following command in the RPI terminal
276	276
277		-apt update
	566	+== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
278	278
279		-[[image:image-20220602143155-1.png]]
280	280
281		-apt install minicom
	569	+=== 3.8.1 DRAGINO-LA66-APP ===
282	282
283		-[[image:image-20220602143744-2.png]]
284	284
285		-=== Send PC's CPU/RAM usage to TTN via script. ===
	572	+[[image:image-20220723102027-3.png]]
286	286
287		-==== Take python as an example： ====
288	288
289		-===== Preconditions: =====
290	290
291		-1.LA66 USB LoRaWAN Adapter works fine
	576	+==== (% style="color:blue" %)**Overview：**(%%) ====
292	292
293		-2.LA66 USB LoRaWAN Adapter  is registered with TTN
294	294
295		-===== 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.
296	296
297		-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）
298	298
299		-2.Run the script and see the TTN
300	300
301		-[[image:image-20220602115852-3.png]]
302	302
	585	+==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
303	303
304	304
305		-== 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
306	306
	590	+[[image:image-20220723104754-4.png]]
307	307
308		-== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
309	309
310		-
	593	+
	594	+==== (% style="color:blue" %)**Use of APP:**(%%) ====
	595	+
	596	+
	597	+Function and page introduction
	598	+
	599	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
	600	+
	601	+1.Display LA66 USB LoRaWAN Module connection status
	602	+
	603	+2.Check and reconnect
	604	+
	605	+3.Turn send timestamps on or off
	606	+
	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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