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Last modified by Xiaoling on 2025/02/07 16:37
From version 157.2
edited by Xiaoling
on 2022/09/12 08:57
Change comment: There is no comment for this version
To version 136.1
edited by Herong Lu
on 2022/07/26 13:53
Change comment: Uploaded new attachment "image-20220726135356-2.png", version {1}

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Title
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1 -LA66 USB LoRaWAN Adapter User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Lu
Content
... ... @@ -6,26 +6,34 @@
6 6  
7 7  
8 8  
9 += 1.  LA66 LoRaWAN Module =
9 9  
10 10  
11 -= 1.  LA66 USB LoRaWAN Adapter =
12 +== 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 13  
14 -== 1.1  Overview ==
15 +(((
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 +)))
15 15  
20 +(((
21 +
22 +)))
16 16  
17 -[[image:image-20220715001142-3.png||height="145" width="220"]]
18 -
19 -
20 20  (((
21 -(% 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.
25 +(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
22 22  )))
27 +)))
23 23  
24 24  (((
30 +(((
25 25  (% 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.
26 26  )))
33 +)))
27 27  
28 28  (((
36 +(((
29 29  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
30 30  )))
31 31  
... ... @@ -32,27 +32,27 @@
32 32  (((
33 33  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.
34 34  )))
43 +)))
35 35  
36 36  (((
46 +(((
37 37  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
38 38  )))
49 +)))
39 39  
40 40  
41 41  
42 42  == 1.2  Features ==
43 43  
44 -
45 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
46 -* Ultra-long RF range
47 47  * Support LoRaWAN v1.0.4 protocol
48 48  * Support peer-to-peer protocol
49 49  * TCXO crystal to ensure RF performance on low temperature
50 -* Spring RF antenna
58 +* SMD Antenna pad and i-pex antenna connector
51 51  * Available in different frequency LoRaWAN frequency bands.
52 52  * World-wide unique OTAA keys.
53 53  * AT Command via UART-TTL interface
54 54  * Firmware upgradable via UART interface
55 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
63 +* Ultra-long RF range
56 56  
57 57  
58 58  
... ... @@ -59,11 +59,11 @@
59 59  
60 60  == 1.3  Specification ==
61 61  
62 -
63 63  * CPU: 32-bit 48 MHz
64 64  * Flash: 256KB
65 65  * RAM: 64KB
66 -* Input Power Range: 5v
73 +* Input Power Range: 1.8v ~~ 3.7v
74 +* Power Consumption: < 4uA.
67 67  * Frequency Range: 150 MHz ~~ 960 MHz
68 68  * Maximum Power +22 dBm constant RF output
69 69  * High sensitivity: -148 dBm
... ... @@ -75,368 +75,636 @@
75 75  ** Operating: 10 ~~ 95% (Non-Condensing)
76 76  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
77 77  * LoRa Rx current: <9 mA
86 +* I/O Voltage: 3.3v
78 78  
79 79  
80 80  
81 81  
82 -== 1.4  Pin Mapping & LED ==
91 +== 1.4  AT Command ==
83 83  
84 84  
85 -[[image:image-20220813183239-3.png||height="526" width="662"]]
94 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
86 86  
87 87  
88 88  
89 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
98 +== 1.5  Dimension ==
90 90  
100 +[[image:image-20220718094750-3.png]]
91 91  
102 +
103 +
104 +== 1.6  Pin Mapping ==
105 +
106 +[[image:image-20220720111850-1.png]]
107 +
108 +
109 +
110 +== 1.7  Land Pattern ==
111 +
112 +[[image:image-20220517072821-2.png]]
113 +
114 +
115 +
116 += 2.  LA66 LoRaWAN Shield =
117 +
118 +
119 +== 2.1  Overview ==
120 +
121 +
92 92  (((
93 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
123 +[[image:image-20220715000826-2.png||height="145" width="220"]]
94 94  )))
95 95  
126 +(((
127 +
128 +)))
96 96  
97 -(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN adapter to PC**
130 +(((
131 +(% 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.
132 +)))
98 98  
134 +(((
135 +(((
136 +(% 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.
137 +)))
138 +)))
99 99  
100 -[[image:image-20220723100027-1.png]]
140 +(((
141 +(((
142 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
143 +)))
144 +)))
101 101  
146 +(((
147 +(((
148 +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.
149 +)))
150 +)))
102 102  
103 -Open the serial port tool
152 +(((
153 +(((
154 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
155 +)))
156 +)))
104 104  
105 -[[image:image-20220602161617-8.png]]
106 106  
107 107  
108 -[[image:image-20220602161718-9.png||height="457" width="800"]]
160 +== 2.2  Features ==
109 109  
162 +* Arduino Shield base on LA66 LoRaWAN module
163 +* Support LoRaWAN v1.0.4 protocol
164 +* Support peer-to-peer protocol
165 +* TCXO crystal to ensure RF performance on low temperature
166 +* SMA connector
167 +* Available in different frequency LoRaWAN frequency bands.
168 +* World-wide unique OTAA keys.
169 +* AT Command via UART-TTL interface
170 +* Firmware upgradable via UART interface
171 +* Ultra-long RF range
110 110  
111 111  
112 -(% style="color:blue" %)**2.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
113 113  
114 114  
115 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
176 +== 2.3  Specification ==
116 116  
178 +* CPU: 32-bit 48 MHz
179 +* Flash: 256KB
180 +* RAM: 64KB
181 +* Input Power Range: 1.8v ~~ 3.7v
182 +* Power Consumption: < 4uA.
183 +* Frequency Range: 150 MHz ~~ 960 MHz
184 +* Maximum Power +22 dBm constant RF output
185 +* High sensitivity: -148 dBm
186 +* Temperature:
187 +** Storage: -55 ~~ +125℃
188 +** Operating: -40 ~~ +85℃
189 +* Humidity:
190 +** Storage: 5 ~~ 95% (Non-Condensing)
191 +** Operating: 10 ~~ 95% (Non-Condensing)
192 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
193 +* LoRa Rx current: <9 mA
194 +* I/O Voltage: 3.3v
117 117  
118 -[[image:image-20220602161935-10.png||height="498" width="800"]]
119 119  
120 120  
121 121  
122 -(% style="color:blue" %)**3.  See Uplink Command**
199 +== 2.4  LED ==
123 123  
124 124  
125 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
202 +~1. The LED lights up red when there is an upstream data packet
203 +2. When the network is successfully connected, the green light will be on for 5 seconds
204 +3. Purple light on when receiving downlink data packets
126 126  
127 -example: AT+SENDB=01,02,8,05820802581ea0a5
128 128  
129 -[[image:image-20220602162157-11.png||height="497" width="800"]]
130 130  
208 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
131 131  
132 132  
133 -(% style="color:blue" %)**4.  Check to see if TTN received the message**
211 +**Show connection diagram：**
134 134  
135 135  
136 -[[image:image-20220817093644-1.png]]
214 +[[image:image-20220723170210-2.png||height="908" width="681"]]
137 137  
138 138  
139 139  
140 -== 1.6  Example: How to join helium ==
218 +(% style="color:blue" %)**1.  open Arduino IDE**
141 141  
142 142  
221 +[[image:image-20220723170545-4.png]]
143 143  
144 -(% style="color:blue" %)**1.  Create a new device.**
145 145  
146 146  
147 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165500-1.png?width=940&height=464&rev=1.1||alt="image-20220907165500-1.png"]]
225 +(% style="color:blue" %)**2.  Open project**
148 148  
149 149  
228 +LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
150 150  
151 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
152 152  
153 153  
154 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165837-2.png?width=809&height=375&rev=1.1||alt="image-20220907165837-2.png" height="375" width="809"]]
232 +(% style="color:blue" %)**3.  Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload**
155 155  
156 156  
157 157  
158 -(% style="color:blue" %)**3.  Use AT commands.**
236 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
159 159  
160 160  
161 -[[image:image-20220909151441-1.jpeg||height="695" width="521"]]
239 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
162 162  
163 163  
164 164  
165 -(% style="color:blue" %)**4.  Use the serial port tool**
243 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
166 166  
167 167  
168 -[[image:image-20220909151517-2.png||height="543" width="708"]]
246 +(% style="color:blue" %)**1.  Open project**
169 169  
170 170  
249 +Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
171 171  
172 -(% style="color:blue" %)**5.  Use command AT+CFG to get device configuration**
173 173  
252 +[[image:image-20220723172502-8.png]]
174 174  
175 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170308-3.png?width=617&height=556&rev=1.1||alt="image-20220907170308-3.png" height="556" width="617"]]
176 176  
177 177  
256 +(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
178 178  
179 -(% style="color:blue" %)**6.  Network successfully.**
180 180  
259 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
181 181  
182 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170436-4.png?rev=1.1||alt="image-20220907170436-4.png"]]
183 183  
184 184  
263 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
185 185  
186 -(% style="color:blue" %)**7.  Send uplink using command**
187 187  
266 +(% style="color:blue" %)**1.  Open project**
188 188  
189 -[[image:image-20220912085244-1.png]]
190 190  
269 +Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
191 191  
192 -[[image:image-20220912085307-2.png]]
193 193  
272 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
194 194  
195 195  
196 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170744-6.png?width=798&height=242&rev=1.1||alt="image-20220907170744-6.png" height="242" width="798"]]
197 197  
276 +(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
198 198  
199 199  
200 -== 1.7  Example: Send PC's CPU/RAM usage to TTN via python ==
279 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
201 201  
202 202  
203 -**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]]
204 204  
205 -(**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]])
283 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
206 206  
285 +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/]]
207 207  
208 -(% style="color:red" %)**Preconditions:**
287 +[[image:image-20220723175700-12.png||height="602" width="995"]]
209 209  
210 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
211 211  
212 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
213 213  
291 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
214 214  
215 215  
216 -(% style="color:blue" %)**Steps for usage:**
294 +=== 2.8.1  Items needed for update ===
217 217  
218 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
219 219  
220 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
297 +1. LA66 LoRaWAN Shield
298 +1. Arduino
299 +1. USB TO TTL Adapter
221 221  
301 +[[image:image-20220602100052-2.png||height="385" width="600"]]
222 222  
223 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
224 224  
304 +=== 2.8.2  Connection ===
225 225  
226 226  
227 -== 1.8  Example: Send & Get Messages via LoRaWAN in RPi ==
307 +[[image:image-20220602101311-3.png||height="276" width="600"]]
228 228  
229 229  
230 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
310 +(((
311 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
312 +)))
231 231  
314 +(((
315 +(% style="background-color:yellow" %)**GND  <-> GND
316 +TXD  <->  TXD
317 +RXD  <->  RXD**
318 +)))
232 232  
233 -(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
234 234  
321 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
235 235  
236 -[[image:image-20220723100439-2.png]]
323 +Connect USB TTL Adapter to PC after connecting the wires
237 237  
238 238  
326 +[[image:image-20220602102240-4.png||height="304" width="600"]]
239 239  
240 -(% style="color:blue" %)**2.  Install Minicom in RPi.**
241 241  
329 +=== 2.8.3  Upgrade steps ===
242 242  
243 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
244 244  
245 - (% style="background-color:yellow" %)**apt update**
332 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
246 246  
247 - (% style="background-color:yellow" %)**apt install minicom**
248 248  
335 +[[image:image-20220602102824-5.png||height="306" width="600"]]
249 249  
250 -Use minicom to connect to the RPI's terminal
251 251  
252 -[[image:image-20220602153146-3.png||height="439" width="500"]]
253 253  
339 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
254 254  
255 255  
256 -(% style="color:blue" %)**3.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
342 +[[image:image-20220602104701-12.png||height="285" width="600"]]
257 257  
258 258  
259 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
260 260  
346 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
261 261  
262 -[[image:image-20220602154928-5.png||height="436" width="500"]]
263 263  
349 +(((
350 +(% 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/]]**
351 +)))
264 264  
265 265  
266 -(% style="color:blue" %)**4.  Send Uplink message**
354 +[[image:image-20220602103227-6.png]]
267 267  
268 268  
269 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
357 +[[image:image-20220602103357-7.png]]
270 270  
271 -example: AT+SENDB=01,02,8,05820802581ea0a5
272 272  
273 273  
274 -[[image:image-20220602160339-6.png||height="517" width="600"]]
361 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
362 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
275 275  
276 276  
365 +[[image:image-20220602103844-8.png]]
277 277  
278 -Check to see if TTN received the message
279 279  
280 280  
281 -[[image:image-20220602160627-7.png||height="369" width="800"]]
369 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
370 +(% style="color:blue" %)**3. Select the bin file to burn**
282 282  
283 283  
373 +[[image:image-20220602104144-9.png]]
284 284  
285 -== 1.9  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
286 286  
376 +[[image:image-20220602104251-10.png]]
287 287  
288 -=== 1.9.1  Hardware and Software Connection ===
289 289  
379 +[[image:image-20220602104402-11.png]]
290 290  
291 291  
292 -==== (% style="color:blue" %)**Overview：**(%%) ====
293 293  
383 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
384 +(% style="color:blue" %)**4. Click to start the download**
294 294  
386 +[[image:image-20220602104923-13.png]]
387 +
388 +
389 +
390 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
391 +(% style="color:blue" %)**5. Check update process**
392 +
393 +
394 +[[image:image-20220602104948-14.png]]
395 +
396 +
397 +
398 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
399 +(% style="color:blue" %)**The following picture shows that the burning is successful**
400 +
401 +[[image:image-20220602105251-15.png]]
402 +
403 +
404 +
405 += 3.  LA66 USB LoRaWAN Adapter =
406 +
407 +
408 +== 3.1  Overview ==
409 +
410 +
411 +[[image:image-20220715001142-3.png||height="145" width="220"]]
412 +
413 +
295 295  (((
296 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
415 +(% 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.
416 +)))
297 297  
298 -* Send real-time location information of mobile phone to LoRaWAN network.
299 -* Check LoRaWAN network signal strengh.
300 -* Manually send messages to LoRaWAN network.
418 +(((
419 +(% 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.
301 301  )))
302 302  
422 +(((
423 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
424 +)))
303 303  
426 +(((
427 +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.
428 +)))
304 304  
430 +(((
431 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
432 +)))
305 305  
306 306  
307 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
308 308  
436 +== 3.2  Features ==
309 309  
310 -A USB to Type-C adapter is needed to connect to a Mobile phone.
438 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
439 +* Ultra-long RF range
440 +* Support LoRaWAN v1.0.4 protocol
441 +* Support peer-to-peer protocol
442 +* TCXO crystal to ensure RF performance on low temperature
443 +* Spring RF antenna
444 +* Available in different frequency LoRaWAN frequency bands.
445 +* World-wide unique OTAA keys.
446 +* AT Command via UART-TTL interface
447 +* Firmware upgradable via UART interface
448 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
311 311  
312 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
313 313  
314 -[[image:image-20220813174353-2.png||height="360" width="313"]]
451 +== 3.3  Specification ==
315 315  
453 +* CPU: 32-bit 48 MHz
454 +* Flash: 256KB
455 +* RAM: 64KB
456 +* Input Power Range: 5v
457 +* Frequency Range: 150 MHz ~~ 960 MHz
458 +* Maximum Power +22 dBm constant RF output
459 +* High sensitivity: -148 dBm
460 +* Temperature:
461 +** Storage: -55 ~~ +125℃
462 +** Operating: -40 ~~ +85℃
463 +* Humidity:
464 +** Storage: 5 ~~ 95% (Non-Condensing)
465 +** Operating: 10 ~~ 95% (Non-Condensing)
466 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
467 +* LoRa Rx current: <9 mA
316 316  
317 317  
470 +== 3.4  Pin Mapping & LED ==
318 318  
319 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
320 320  
321 321  
322 -[[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]].  (Android Version Only)
474 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
323 323  
324 324  
325 -[[image:image-20220813173738-1.png]]
477 +(((
478 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
479 +)))
326 326  
327 327  
482 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
328 328  
329 329  
330 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
485 +[[image:image-20220723100027-1.png]]
331 331  
332 332  
333 -Function and page introduction
488 +Open the serial port tool
334 334  
490 +[[image:image-20220602161617-8.png]]
335 335  
336 -[[image:image-20220723113448-7.png||height="995" width="450"]]
492 +[[image:image-20220602161718-9.png||height="457" width="800"]]
337 337  
338 338  
339 -**Block Explain:**
340 340  
341 -1.  Display LA66 USB LoRaWAN Module connection status
496 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
342 342  
343 -2.  Check and reconnect
498 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
344 344  
345 -3.  Turn send timestamps on or off
346 346  
347 -4.  Display LoRaWan connection status
501 +[[image:image-20220602161935-10.png||height="498" width="800"]]
348 348  
349 -5.  Check LoRaWan connection status
350 350  
351 -6.  The RSSI value of the node when the ACK is received
352 352  
353 -7.  Node's Signal Strength Icon
505 +(% style="color:blue" %)**3. See Uplink Command**
354 354  
355 -8.  Configure Location Uplink Interval
507 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
356 356  
357 -9.  AT command input box
509 +example: AT+SENDB=01,02,8,05820802581ea0a5
358 358  
359 -10.  Send Button:  Send input box info to LA66 USB Adapter
511 +[[image:image-20220602162157-11.png||height="497" width="800"]]
360 360  
361 -11.  Output Log from LA66 USB adapter
362 362  
363 -12.  clear log button
364 364  
365 -13.  exit button
515 +(% style="color:blue" %)**4. Check to see if TTN received the message**
366 366  
517 +[[image:image-20220602162331-12.png||height="420" width="800"]]
367 367  
368 368  
369 -LA66 USB LoRaWAN Module not connected
370 370  
521 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
371 371  
372 -[[image:image-20220723110520-5.png||height="677" width="508"]]
373 373  
524 +**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]]
374 374  
526 +(**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]])
375 375  
376 -Connect LA66 USB LoRaWAN Module
528 +(% style="color:red" %)**Preconditions:**
377 377  
530 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
378 378  
379 -[[image:image-20220723110626-6.png||height="681" width="511"]]
532 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
380 380  
381 381  
382 382  
536 +(% style="color:blue" %)**Steps for usage:**
383 383  
384 -=== 1.9.2  Send data to TTNv3 and plot location info in Node-Red ===
538 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
385 385  
540 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
386 386  
387 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
542 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
388 388  
389 389  
390 -[[image:image-20220723134549-8.png]]
391 391  
546 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
392 392  
393 393  
394 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
549 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
395 395  
396 396  
397 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
552 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
398 398  
399 -For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
554 +[[image:image-20220723100439-2.png]]
400 400  
401 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
402 402  
403 -LA66~-~-node-red~-~-decoder:[[dragino-end-node-decoder/Node-RED at main · dragino/dragino-end-node-decoder · GitHub>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED]]
404 404  
558 +(% style="color:blue" %)**2. Install Minicom in RPi.**
405 405  
406 -Example output in NodeRed is as below:
560 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
407 407  
408 -[[image:image-20220723144339-1.png]]
562 + (% style="background-color:yellow" %)**apt update**
409 409  
564 + (% style="background-color:yellow" %)**apt install minicom**
410 410  
411 411  
412 -== 1.10  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
567 +Use minicom to connect to the RPI's terminal
413 413  
569 +[[image:image-20220602153146-3.png||height="439" width="500"]]
414 414  
415 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
416 416  
417 -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).
418 418  
573 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
419 419  
420 -[[image:image-20220723150132-2.png]]
575 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
421 421  
422 422  
578 +[[image:image-20220602154928-5.png||height="436" width="500"]]
423 423  
424 -= 2.  FAQ =
425 425  
426 426  
427 -== 2.1  How to Compile Source Code for LA66? ==
582 +(% style="color:blue" %)**4. Send Uplink message**
428 428  
584 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
429 429  
430 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
586 +example: AT+SENDB=01,02,8,05820802581ea0a5
431 431  
432 432  
589 +[[image:image-20220602160339-6.png||height="517" width="600"]]
433 433  
434 -= 3.  Order Info =
435 435  
436 436  
437 -**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
593 +Check to see if TTN received the message
438 438  
595 +[[image:image-20220602160627-7.png||height="369" width="800"]]
439 439  
597 +
598 +
599 +== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
600 +
601 +
602 +=== 3.8.1  DRAGINO-LA66-APP ===
603 +
604 +
605 +[[image:image-20220723102027-3.png]]
606 +
607 +
608 +
609 +==== (% style="color:blue" %)**Overview：**(%%) ====
610 +
611 +
612 +(((
613 +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.
614 +)))
615 +
616 +(((
617 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
618 +)))
619 +
620 +
621 +
622 +==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
623 +
624 +
625 +Requires a type-c to USB adapter
626 +
627 +[[image:image-20220723104754-4.png]]
628 +
629 +
630 +
631 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
632 +
633 +
634 +Function and page introduction
635 +
636 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
637 +
638 +
639 +1.Display LA66 USB LoRaWAN Module connection status
640 +
641 +2.Check and reconnect
642 +
643 +3.Turn send timestamps on or off
644 +
645 +4.Display LoRaWan connection status
646 +
647 +5.Check LoRaWan connection status
648 +
649 +6.The RSSI value of the node when the ACK is received
650 +
651 +7.Node's Signal Strength Icon
652 +
653 +8.Set the packet sending interval of the node in seconds
654 +
655 +9.AT command input box
656 +
657 +10.Send AT command button
658 +
659 +11.Node log box
660 +
661 +12.clear log button
662 +
663 +13.exit button
664 +
665 +
666 +LA66 USB LoRaWAN Module not connected
667 +
668 +[[image:image-20220723110520-5.png||height="903" width="677"]]
669 +
670 +
671 +
672 +Connect LA66 USB LoRaWAN Module
673 +
674 +[[image:image-20220723110626-6.png||height="906" width="680"]]
675 +
676 +
677 +
678 +=== 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 ===
679 +
680 +
681 +(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
682 +
683 +[[image:image-20220723134549-8.png]]
684 +
685 +
686 +
687 +(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
688 +
689 +Sample JSON file please go to this link to download：放置JSON文件的链接
690 +
691 +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/]]
692 +
693 +The following is the positioning effect map
694 +
695 +[[image:image-20220723144339-1.png]]
696 +
697 +
698 +
699 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
700 +
701 +
702 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
703 +
704 +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)
705 +
706 +[[image:image-20220723150132-2.png]]
707 +
708 +
709 +
710 += 4.  Order Info =
711 +
712 +
713 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
714 +
715 +
440 440  (% style="color:blue" %)**XXX**(%%): The default frequency band
441 441  
442 442  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -452,10 +452,8 @@
452 452  
453 453  
454 454  
455 -= 4.  Reference =
456 456  
732 += 5.  Reference =
457 457  
458 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
459 -* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
460 460  
461 -
735 +* 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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