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Details

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Author

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1		-XWiki.Edwin
	1	+XWiki.Lu

Content

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1		-{{box cssClass="floatinginfobox" title="**Contents**"}}
	1	+0
	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
...	...	@@ -49,51 +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	87
88		-= LA66 LoRaWAN Shield =
	116	+(((
	117	+[[image:image-20220715000826-2.png||height="145" width="220"]]
	118	+)))
89	89
90		-== Overview ==
	120	+(((
	121	+
	122	+)))
91	91
92		-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.
	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
	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	+)))
94	94
95		-== Features ==
	134	+(((
	135	+(((
	136	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	137	+)))
	138	+)))
96	96
	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	+
97	97	* Arduino Shield base on LA66 LoRaWAN module
98	98	* Support LoRaWAN v1.0.4 protocol
99	99	* Support peer-to-peer protocol
...	...	@@ -105,7 +105,7 @@
105	105	* Firmware upgradable via UART interface
106	106	* Ultra-long RF range
107	107
108		-== Specification ==
	167	+== 2.3  Specification ==
109	109
110	110	* CPU: 32-bit 48 MHz
111	111	* Flash: 256KB
...	...	@@ -125,212 +125,468 @@
125	125	* LoRa Rx current: <9 mA
126	126	* I/O Voltage: 3.3v
127	127
128		-== Pin Mapping & LED ==
	187	+== 2.4  LED ==
129	129
130		-== 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
131	131
132		-== Example: Join TTN network and send an uplink message, get downlink message. ==
133	133
134		-== 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. ==
135	135
136		-== Upgrade Firmware of LA66 LoRaWAN Shield ==
	196	+Show connection diagram：
137	137
138		-=== what needs to be used ===
	198	+[[image:image-20220723170210-2.png||height="908" width="681"]]
139	139
140		-1.LA66 LoRaWAN Shield that needs to be upgraded
	200	+1.open Arduino IDE
141	141
142		-2.Arduino
	202	+[[image:image-20220723170545-4.png]]
143	143
144		-3.USB TO TTL
	204	+2.Open project
145	145
146		-[[image:image-20220602100052-2.png]]
	206	+[[image:image-20220723170750-5.png||height="533" width="930"]]
147	147
148		-=== 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
149	149
150		-[[image:image-20220602101311-3.png]]
	210	+[[image:image-20220723171228-6.png]]
151	151
152		-LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
	212	+4.After the upload is successful, open the serial port monitoring and send the AT command
153	153
154		-GND  >>>>>>>>>>>>GND
	214	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
155	155
156		-TXD  >>>>>>>>>>>>TXD
	216	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
157	157
158		-RXD  >>>>>>>>>>>>RXD
	218	+1.Open project
159	159
160		-JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
	220	+[[image:image-20220723172502-8.png]]
161	161
162		-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
163	163
164		-[[image:image-20220602102240-4.png]]
	224	+[[image:image-20220723172938-9.png||height="652" width="1050"]]
165	165
166		-=== Upgrade steps ===
167	167
168		-==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
	227	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
169	169
170		-[[image:image-20220602102824-5.png]]
	229	+1.Open project
171	171
172		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
	231	+[[image:image-20220723173341-10.png||height="581" width="1014"]]
173	173
174		-[[image:image-20220602104701-12.png]]
	233	+2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
175	175
176		-==== Open the upgrade application software ====
	235	+[[image:image-20220723173950-11.png||height="665" width="1012"]]
177	177
178		-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/]]
	237	+3.Integration into Node-red via TTNV3
179	179
	239	+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/]]
	240	+
	241	+[[image:image-20220723175700-12.png||height="602" width="995"]]
	242	+
	243	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
	244	+
	245	+
	246	+=== 2.8.1  Items needed for update ===
	247	+
	248	+1. LA66 LoRaWAN Shield
	249	+1. Arduino
	250	+1. USB TO TTL Adapter
	251	+
	252	+[[image:image-20220602100052-2.png||height="385" width="600"]]
	253	+
	254	+
	255	+=== 2.8.2  Connection ===
	256	+
	257	+
	258	+[[image:image-20220602101311-3.png||height="276" width="600"]]
	259	+
	260	+
	261	+(((
	262	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	263	+)))
	264	+
	265	+(((
	266	+(% style="background-color:yellow" %)**GND  <-> GND
	267	+TXD  <->  TXD
	268	+RXD  <->  RXD**
	269	+)))
	270	+
	271	+
	272	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
	273	+
	274	+Connect USB TTL Adapter to PC after connecting the wires
	275	+
	276	+
	277	+[[image:image-20220602102240-4.png||height="304" width="600"]]
	278	+
	279	+
	280	+=== 2.8.3  Upgrade steps ===
	281	+
	282	+
	283	+==== 1.  Switch SW1 to put in ISP position ====
	284	+
	285	+
	286	+[[image:image-20220602102824-5.png||height="306" width="600"]]
	287	+
	288	+
	289	+
	290	+==== 2.  Press the RST switch once ====
	291	+
	292	+
	293	+[[image:image-20220602104701-12.png||height="285" width="600"]]
	294	+
	295	+
	296	+
	297	+==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
	298	+
	299	+
	300	+(((
	301	+(% 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/]]**
	302	+)))
	303	+
	304	+
180	180	[[image:image-20220602103227-6.png]]
181	181
	307	+
182	182	[[image:image-20220602103357-7.png]]
183	183
184		-===== Select the COM port corresponding to USB TTL =====
185	185
	311	+
	312	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	313	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	314	+
	315	+
186	186	[[image:image-20220602103844-8.png]]
187	187
188		-===== Select the bin file to burn =====
189	189
	319	+
	320	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	321	+(% style="color:blue" %)**3. Select the bin file to burn**
	322	+
	323	+
190	190	[[image:image-20220602104144-9.png]]
191	191
	326	+
192	192	[[image:image-20220602104251-10.png]]
193	193
	329	+
194	194	[[image:image-20220602104402-11.png]]
195	195
196		-===== Click to start the download =====
197	197
	333	+
	334	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	335	+(% style="color:blue" %)**4. Click to start the download**
	336	+
198	198	[[image:image-20220602104923-13.png]]
199	199
200		-===== The following figure appears to prove that the burning is in progress =====
201	201
	340	+
	341	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	342	+(% style="color:blue" %)**5. Check update process**
	343	+
	344	+
202	202	[[image:image-20220602104948-14.png]]
203	203
204		-===== The following picture appears to prove that the burning is successful =====
205	205
	348	+
	349	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	350	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	351	+
206	206	[[image:image-20220602105251-15.png]]
207	207
208		-(% class="wikigeneratedid" %)
209		-= =
210	210
211		-== Order Info ==
212	212
213		-Part Number: **LA66-LoRaWAN-Shield-XXX**
	356	+= 3.  LA66 USB LoRaWAN Adapter =
214	214
215		-**XX**: The default frequency band
216	216
217		-* **AS923**: LoRaWAN AS923 band
218		-* **AU915**: LoRaWAN AU915 band
219		-* **EU433**: LoRaWAN EU433 band
220		-* **EU868**: LoRaWAN EU868 band
221		-* **KR920**: LoRaWAN KR920 band
222		-* **US915**: LoRaWAN US915 band
223		-* **IN865**: LoRaWAN IN865 band
224		-* **CN470**: LoRaWAN CN470 band
225		-* **PP**: Peer to Peer LoRa Protocol
	359	+== 3.1  Overview ==
226	226
227	227
228		-(% class="wikigeneratedid" %)
229		-== Package Info ==
	362	+[[image:image-20220715001142-3.png||height="145" width="220"]]
230	230
231		-* LA66 LoRaWAN Shield x 1
232		-* RF Antenna x 1
233	233
	365	+(((
	366	+(% 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.
	367	+)))
234	234
	369	+(((
	370	+(% 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.
	371	+)))
235	235
	373	+(((
	374	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	375	+)))
236	236
	377	+(((
	378	+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.
	379	+)))
237	237
238		-= LA66 USB LoRaWAN Adapter =
	381	+(((
	382	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	383	+)))
239	239
240		-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.
241	241
242		-Before use, please make sure that the computer has installed the CP2102 driver
243	243
244		-== Pin Mapping & LED ==
	387	+== 3.2  Features ==
245	245
246		-== Example Send & Get Messages via LoRaWAN in PC ==
	389	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	390	+* Ultra-long RF range
	391	+* Support LoRaWAN v1.0.4 protocol
	392	+* Support peer-to-peer protocol
	393	+* TCXO crystal to ensure RF performance on low temperature
	394	+* Spring RF antenna
	395	+* Available in different frequency LoRaWAN frequency bands.
	396	+* World-wide unique OTAA keys.
	397	+* AT Command via UART-TTL interface
	398	+* Firmware upgradable via UART interface
	399	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
247	247
248		-Connect the LA66 LoRa Shield to the PC
	401	+== 3.3  Specification ==
249	249
250		-[[image:image-20220602171217-1.png||height="615" width="915"]]
	403	+* CPU: 32-bit 48 MHz
	404	+* Flash: 256KB
	405	+* RAM: 64KB
	406	+* Input Power Range: 5v
	407	+* Frequency Range: 150 MHz ~~ 960 MHz
	408	+* Maximum Power +22 dBm constant RF output
	409	+* High sensitivity: -148 dBm
	410	+* Temperature:
	411	+** Storage: -55 ~~ +125℃
	412	+** Operating: -40 ~~ +85℃
	413	+* Humidity:
	414	+** Storage: 5 ~~ 95% (Non-Condensing)
	415	+** Operating: 10 ~~ 95% (Non-Condensing)
	416	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	417	+* LoRa Rx current: <9 mA
251	251
	419	+== 3.4  Pin Mapping & LED ==
	420	+
	421	+
	422	+
	423	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
	424	+
	425	+
	426	+(((
	427	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	428	+)))
	429	+
	430	+
	431	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
	432	+
	433	+
	434	+[[image:image-20220723100027-1.png]]
	435	+
	436	+
252	252	Open the serial port tool
253	253
254	254	[[image:image-20220602161617-8.png]]
255	255
256		-[[image:image-20220602161718-9.png||height="529" width="927"]]
	441	+[[image:image-20220602161718-9.png||height="457" width="800"]]
257	257
258		-Press the reset switch RST on the LA66 LoRa Shield.
259	259
260		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
261	261
262		-[[image:image-20220602161935-10.png]]
	445	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
263	263
264		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	447	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
265	265
	449	+
	450	+[[image:image-20220602161935-10.png||height="498" width="800"]]
	451	+
	452	+
	453	+
	454	+(% style="color:blue" %)**3. See Uplink Command**
	455	+
	456	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	457	+
266	266	example: AT+SENDB=01,02,8,05820802581ea0a5
267	267
268		-[[image:image-20220602162157-11.png]]
	460	+[[image:image-20220602162157-11.png||height="497" width="800"]]
269	269
270		-Check to see if TTN received the message
271	271
272		-[[image:image-20220602162331-12.png||height="547" width="1044"]]
273	273
274		-== Example Send & Get Messages via LoRaWAN in RPi ==
	464	+(% style="color:blue" %)**4. Check to see if TTN received the message**
275	275
276		-Connect the LA66 LoRa Shield to the RPI
	466	+[[image:image-20220602162331-12.png||height="420" width="800"]]
277	277
278		-[[image:image-20220602171233-2.png||height="592" width="881"]]
279	279
280		-Log in to the RPI's terminal and connect to the serial port
281	281
282		-[[image:image-20220602153146-3.png]]
	470	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
283	283
284		-Press the reset switch RST on the LA66 LoRa Shield.
285		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
286	286
287		-[[image:image-20220602154928-5.png]]
	473	+**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]]
288	288
289		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	475	+(**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]])
290	290
	477	+(% style="color:red" %)**Preconditions:**
	478	+
	479	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
	480	+
	481	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
	482	+
	483	+
	484	+
	485	+(% style="color:blue" %)**Steps for usage:**
	486	+
	487	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	488	+
	489	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
	490	+
	491	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
	492	+
	493	+
	494	+
	495	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
	496	+
	497	+
	498	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	499	+
	500	+
	501	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	502	+
	503	+[[image:image-20220723100439-2.png]]
	504	+
	505	+
	506	+
	507	+(% style="color:blue" %)**2. Install Minicom in RPi.**
	508	+
	509	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
	510	+
	511	+ (% style="background-color:yellow" %)**apt update**
	512	+
	513	+ (% style="background-color:yellow" %)**apt install minicom**
	514	+
	515	+
	516	+Use minicom to connect to the RPI's terminal
	517	+
	518	+[[image:image-20220602153146-3.png||height="439" width="500"]]
	519	+
	520	+
	521	+
	522	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	523	+
	524	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	525	+
	526	+
	527	+[[image:image-20220602154928-5.png||height="436" width="500"]]
	528	+
	529	+
	530	+
	531	+(% style="color:blue" %)**4. Send Uplink message**
	532	+
	533	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	534	+
291	291	example: AT+SENDB=01,02,8,05820802581ea0a5
292	292
293		-[[image:image-20220602160339-6.png]]
294	294
	538	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	539	+
	540	+
	541	+
295	295	Check to see if TTN received the message
296	296
297		-[[image:image-20220602160627-7.png||height="468" width="1013"]]
	544	+[[image:image-20220602160627-7.png||height="369" width="800"]]
298	298
299		-=== Install Minicom ===
300	300
301		-Enter the following command in the RPI terminal
302	302
303		-apt update
	548	+== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
304	304
305		-[[image:image-20220602143155-1.png]]
	550	+=== 3.8.1 DRAGINO-LA66-APP ===
306	306
307		-apt install minicom
	552	+[[image:image-20220723102027-3.png]]
308	308
309		-[[image:image-20220602143744-2.png]]
	554	+==== Overview： ====
310	310
311		-=== Send PC's CPU/RAM usage to TTN via script. ===
	556	+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.
312	312
313		-==== Take python as an example： ====
	558	+View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
314	314
315		-===== Preconditions: =====
	560	+==== Conditions of Use： ====
316	316
317		-1.LA66 USB LoRaWAN Adapter works fine
	562	+Requires a type-c to USB adapter
318	318
319		-2.LA66 USB LoRaWAN Adapter  is registered with TTN
	564	+[[image:image-20220723104754-4.png]]
320	320
321		-===== Steps for usage =====
	566	+==== Use of APP: ====
322	322
323		-1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	568	+Function and page introduction
324	324
325		-2.Run the script and see the TTN
	570	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
326	326
327		-[[image:image-20220602115852-3.png]]
	572	+1.Display LA66 USB LoRaWAN Module connection status
328	328
	574	+2.Check and reconnect
329	329
	576	+3.Turn send timestamps on or off
330	330
331		-== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	578	+4.Display LoRaWan connection status
332	332
	580	+5.Check LoRaWan connection status
333	333
334		-== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	582	+6.The RSSI value of the node when the ACK is received
335	335
336		-
	584	+7.Node's Signal Strength Icon
	585	+
	586	+8.Set the packet sending interval of the node in seconds
	587	+
	588	+9.AT command input box
	589	+
	590	+10.Send AT command button
	591	+
	592	+11.Node log box
	593	+
	594	+12.clear log button
	595	+
	596	+13.exit button
	597	+
	598	+LA66 USB LoRaWAN Module not connected
	599	+
	600	+[[image:image-20220723110520-5.png||height="903" width="677"]]
	601	+
	602	+Connect LA66 USB LoRaWAN Module
	603	+
	604	+[[image:image-20220723110626-6.png||height="906" width="680"]]
	605	+
	606	+=== 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 ===
	607	+
	608	+1.Register LA66 USB LoRaWAN Module to TTNV3
	609	+
	610	+[[image:image-20220723134549-8.png]]
	611	+
	612	+2.Open Node-RED,And import the JSON file to generate the flow
	613	+
	614	+Sample JSON file please go to this link to download：放置JSON文件的链接
	615	+
	616	+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/]]
	617	+
	618	+The following is the positioning effect map
	619	+
	620	+[[image:image-20220723144339-1.png]]
	621	+
	622	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	623	+
	624	+The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
	625	+
	626	+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)
	627	+
	628	+[[image:image-20220723150132-2.png]]
	629	+
	630	+
	631	+= 4.  Order Info =
	632	+
	633	+
	634	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	635	+
	636	+
	637	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	638	+
	639	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	640	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	641	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	642	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	643	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	644	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	645	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	646	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	647	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	648	+
	649	+= 5.  Reference =
	650	+
	651	+* 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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