Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 140.1 >
edited by Edwin Chen
on 2022/08/13 18:09
To version < 50.1 >
edited by Herong Lu
on 2022/06/02 16:03
>
Change comment: Uploaded new attachment "image-20220602160339-6.png", version {1}

Summary

Details

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1 -XWiki.Edwin
1 +XWiki.Lu
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1 -
2 -
3 -**Table of Contents:**
4 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 5  {{toc/}}
3 +{{/box}}
6 6  
5 += LA66 LoRaWAN Module =
7 7  
7 +== What is LA66 LoRaWAN Module ==
8 8  
9 -= 1.  LA66 LoRaWAN Module =
9 +**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 LoRa 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 program, create and connect your things everywhere.
10 10  
11 +**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
11 11  
12 -== 1.1  What is LA66 LoRaWAN Module ==
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
13 13  
14 14  
15 -(((
16 -(((
17 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 -)))
19 19  
20 -(((
21 -
22 -)))
17 +== Specification ==
23 23  
24 -(((
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.
26 -)))
27 -)))
19 +[[image:image-20220517072526-1.png]]
28 28  
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 -)))
21 +Input Power Range: 1.8v ~~ 3.7v
34 34  
35 -(((
36 -(((
37 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 -)))
23 +Power Consumption: < 4uA.
39 39  
40 -(((
41 -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 -)))
25 +Frequency Range: 150 MHz ~~ 960 MHz
44 44  
45 -(((
46 -(((
47 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 -)))
49 -)))
27 +Maximum Power +22 dBm constant RF output
50 50  
29 +High sensitivity: -148 dBm
51 51  
31 +Temperature:
52 52  
53 -== 1.2  Features ==
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
54 54  
36 +Humidity:
55 55  
56 -* Support LoRaWAN v1.0.4 protocol
57 -* Support peer-to-peer protocol
58 -* TCXO crystal to ensure RF performance on low temperature
59 -* SMD Antenna pad and i-pex antenna connector
60 -* Available in different frequency LoRaWAN frequency bands.
61 -* World-wide unique OTAA keys.
62 -* AT Command via UART-TTL interface
63 -* Firmware upgradable via UART interface
64 -* Ultra-long RF range
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
65 65  
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
66 66  
43 +LoRa Rx current: <9 mA
67 67  
45 +I/O Voltage: 3.3v
68 68  
69 -== 1.3  Specification ==
70 70  
48 +== AT Command ==
71 71  
72 -* CPU: 32-bit 48 MHz
73 -* Flash: 256KB
74 -* RAM: 64KB
75 -* Input Power Range: 1.8v ~~ 3.7v
76 -* Power Consumption: < 4uA.
77 -* Frequency Range: 150 MHz ~~ 960 MHz
78 -* Maximum Power +22 dBm constant RF output
79 -* High sensitivity: -148 dBm
80 -* Temperature:
81 -** Storage: -55 ~~ +125℃
82 -** Operating: -40 ~~ +85℃
83 -* Humidity:
84 -** Storage: 5 ~~ 95% (Non-Condensing)
85 -** Operating: 10 ~~ 95% (Non-Condensing)
86 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
87 -* LoRa Rx current: <9 mA
88 -* I/O Voltage: 3.3v
89 -
90 -
91 -
92 -
93 -== 1.4  AT Command ==
94 -
95 -
96 96  AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
97 97  
98 98  
53 +== Pin Mapping ==
99 99  
100 -== 1.5  Dimension ==
55 +[[image:image-20220523101537-1.png]]
101 101  
102 -[[image:image-20220718094750-3.png]]
57 +== Land Pattern ==
103 103  
104 -
105 -
106 -== 1.6  Pin Mapping ==
107 -
108 -[[image:image-20220720111850-1.png]]
109 -
110 -
111 -
112 -== 1.7  Land Pattern ==
113 -
114 -
115 115  [[image:image-20220517072821-2.png]]
116 116  
117 117  
62 +== Part Number ==
118 118  
119 -= 2.  LA66 LoRaWAN Shield =
64 +Part Number: **LA66-XXX**
120 120  
66 +**XX**: The default frequency band
121 121  
122 -== 2.1  Overview ==
68 +* **AS923**: LoRaWAN AS923 band
69 +* **AU915**: LoRaWAN AU915 band
70 +* **EU433**: LoRaWAN EU433 band
71 +* **EU868**: LoRaWAN EU868 band
72 +* **KR920**: LoRaWAN KR920 band
73 +* **US915**: LoRaWAN US915 band
74 +* **IN865**: LoRaWAN IN865 band
75 +* **CN470**: LoRaWAN CN470 band
123 123  
77 += LA66 LoRaWAN Shield =
124 124  
125 -(((
126 -[[image:image-20220715000826-2.png||height="145" width="220"]]
127 -)))
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
128 128  
129 -(((
130 -
131 -)))
81 +== Pin Mapping & LED ==
132 132  
133 -(((
134 -(% 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.
135 -)))
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
136 136  
137 -(((
138 -(((
139 -(% 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.
140 -)))
141 -)))
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
142 142  
143 -(((
144 -(((
145 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
146 -)))
147 -)))
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
148 148  
149 -(((
150 -(((
151 -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.
152 -)))
153 -)))
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
154 154  
155 -(((
156 -(((
157 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
158 -)))
159 -)))
91 +=== what needs to be used ===
160 160  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
161 161  
95 +2.Arduino
162 162  
163 -== 2.2  Features ==
97 +3.USB TO TTL
164 164  
99 +[[image:image-20220602100052-2.png]]
165 165  
166 -* Arduino Shield base on LA66 LoRaWAN module
167 -* Support LoRaWAN v1.0.4 protocol
168 -* Support peer-to-peer protocol
169 -* TCXO crystal to ensure RF performance on low temperature
170 -* SMA connector
171 -* Available in different frequency LoRaWAN frequency bands.
172 -* World-wide unique OTAA keys.
173 -* AT Command via UART-TTL interface
174 -* Firmware upgradable via UART interface
175 -* Ultra-long RF range
101 +=== Wiring Schematic ===
176 176  
103 +[[image:image-20220602101311-3.png]]
177 177  
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
178 178  
107 +GND  >>>>>>>>>>>>GND
179 179  
180 -== 2.3  Specification ==
109 +TXD  >>>>>>>>>>>>TXD
181 181  
111 +RXD  >>>>>>>>>>>>RXD
182 182  
183 -* CPU: 32-bit 48 MHz
184 -* Flash: 256KB
185 -* RAM: 64KB
186 -* Input Power Range: 1.8v ~~ 3.7v
187 -* Power Consumption: < 4uA.
188 -* Frequency Range: 150 MHz ~~ 960 MHz
189 -* Maximum Power +22 dBm constant RF output
190 -* High sensitivity: -148 dBm
191 -* Temperature:
192 -** Storage: -55 ~~ +125℃
193 -** Operating: -40 ~~ +85℃
194 -* Humidity:
195 -** Storage: 5 ~~ 95% (Non-Condensing)
196 -** Operating: 10 ~~ 95% (Non-Condensing)
197 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
198 -* LoRa Rx current: <9 mA
199 -* I/O Voltage: 3.3v
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
200 200  
115 +Connect to the PC after connecting the wires
201 201  
117 +[[image:image-20220602102240-4.png]]
202 202  
119 +=== Upgrade steps ===
203 203  
204 -== 2.4  LED ==
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
205 205  
123 +[[image:image-20220602102824-5.png]]
206 206  
207 -~1. The LED lights up red when there is an upstream data packet
208 -2. When the network is successfully connected, the green light will be on for 5 seconds
209 -3. Purple light on when receiving downlink data packets
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
210 210  
127 +[[image:image-20220602104701-12.png]]
211 211  
129 +==== Open the upgrade application software ====
212 212  
213 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
131 +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/]]
214 214  
215 -
216 -**Show connection diagram：**
217 -
218 -
219 -[[image:image-20220723170210-2.png||height="908" width="681"]]
220 -
221 -
222 -
223 -(% style="color:blue" %)**1.  open Arduino IDE**
224 -
225 -
226 -[[image:image-20220723170545-4.png]]
227 -
228 -
229 -
230 -(% style="color:blue" %)**2.  Open project**
231 -
232 -
233 -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]]
234 -
235 -[[image:image-20220726135239-1.png]]
236 -
237 -
238 -(% 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**
239 -
240 -[[image:image-20220726135356-2.png]]
241 -
242 -
243 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
244 -
245 -
246 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
247 -
248 -
249 -
250 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
251 -
252 -
253 -(% style="color:blue" %)**1.  Open project**
254 -
255 -
256 -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]]
257 -
258 -
259 -[[image:image-20220723172502-8.png]]
260 -
261 -
262 -
263 -(% 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**
264 -
265 -
266 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
267 -
268 -
269 -
270 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
271 -
272 -
273 -(% style="color:blue" %)**1.  Open project**
274 -
275 -
276 -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]]
277 -
278 -
279 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
280 -
281 -
282 -
283 -(% 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**
284 -
285 -
286 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
287 -
288 -
289 -
290 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
291 -
292 -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/]]
293 -
294 -[[image:image-20220723175700-12.png||height="602" width="995"]]
295 -
296 -
297 -
298 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
299 -
300 -
301 -=== 2.8.1  Items needed for update ===
302 -
303 -
304 -1. LA66 LoRaWAN Shield
305 -1. Arduino
306 -1. USB TO TTL Adapter
307 -
308 -[[image:image-20220602100052-2.png||height="385" width="600"]]
309 -
310 -
311 -
312 -=== 2.8.2  Connection ===
313 -
314 -
315 -[[image:image-20220602101311-3.png||height="276" width="600"]]
316 -
317 -
318 -(((
319 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
320 -)))
321 -
322 -(((
323 -(% style="background-color:yellow" %)**GND  <-> GND
324 -TXD  <->  TXD
325 -RXD  <->  RXD**
326 -)))
327 -
328 -
329 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
330 -
331 -Connect USB TTL Adapter to PC after connecting the wires
332 -
333 -
334 -[[image:image-20220602102240-4.png||height="304" width="600"]]
335 -
336 -
337 -
338 -=== 2.8.3  Upgrade steps ===
339 -
340 -
341 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
342 -
343 -
344 -[[image:image-20220602102824-5.png||height="306" width="600"]]
345 -
346 -
347 -
348 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
349 -
350 -
351 -[[image:image-20220602104701-12.png||height="285" width="600"]]
352 -
353 -
354 -
355 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
356 -
357 -
358 -(((
359 -(% 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/]]**
360 -)))
361 -
362 -
363 363  [[image:image-20220602103227-6.png]]
364 364  
365 -
366 366  [[image:image-20220602103357-7.png]]
367 367  
137 +===== Select the COM port corresponding to USB TTL =====
368 368  
369 -
370 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
371 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
372 -
373 -
374 374  [[image:image-20220602103844-8.png]]
375 375  
141 +===== Select the bin file to burn =====
376 376  
377 -
378 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
379 -(% style="color:blue" %)**3. Select the bin file to burn**
380 -
381 -
382 382  [[image:image-20220602104144-9.png]]
383 383  
384 -
385 385  [[image:image-20220602104251-10.png]]
386 386  
387 -
388 388  [[image:image-20220602104402-11.png]]
389 389  
149 +===== Click to start the download =====
390 390  
391 -
392 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
393 -(% style="color:blue" %)**4. Click to start the download**
394 -
395 395  [[image:image-20220602104923-13.png]]
396 396  
153 +===== The following figure appears to prove that the burning is in progress =====
397 397  
398 -
399 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
400 -(% style="color:blue" %)**5. Check update process**
401 -
402 -
403 403  [[image:image-20220602104948-14.png]]
404 404  
157 +===== The following picture appears to prove that the burning is successful =====
405 405  
406 -
407 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
408 -(% style="color:blue" %)**The following picture shows that the burning is successful**
409 -
410 410  [[image:image-20220602105251-15.png]]
411 411  
161 += LA66 USB LoRaWAN Adapter =
412 412  
163 +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.
413 413  
414 -= 3.  LA66 USB LoRaWAN Adapter =
165 +== Pin Mapping & LED ==
415 415  
167 +== Example Send & Get Messages via LoRaWAN in PC ==
416 416  
417 -== 3.1  Overview ==
169 +== Example Send & Get Messages via LoRaWAN in RPi ==
418 418  
171 +=== Install USB Driver ===
419 419  
420 -[[image:image-20220715001142-3.png||height="145" width="220"]]
173 +Download Link:[[click here>>attach:CP210x_Universal_Windows_Driver.zip]]
421 421  
175 +=== Install Minicom ===
422 422  
423 -(((
424 -(% 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.
425 -)))
177 +Enter the following command in the RPI terminal
426 426  
427 -(((
428 -(% 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.
429 -)))
179 +apt update
430 430  
431 -(((
432 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
433 -)))
181 +[[image:image-20220602143155-1.png]]
434 434  
435 -(((
436 -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.
437 -)))
183 +apt install minicom
438 438  
439 -(((
440 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
441 -)))
185 +[[image:image-20220602143744-2.png]]
442 442  
187 +=== Use AT Command to send an uplink message. ===
443 443  
189 +=== Send PC's CPU/RAM usage to TTN via script. ===
444 444  
445 -== 3.2  Features ==
191 +==== Take python as an example： ====
446 446  
193 +===== Preconditions: =====
447 447  
448 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
449 -* Ultra-long RF range
450 -* Support LoRaWAN v1.0.4 protocol
451 -* Support peer-to-peer protocol
452 -* TCXO crystal to ensure RF performance on low temperature
453 -* Spring RF antenna
454 -* Available in different frequency LoRaWAN frequency bands.
455 -* World-wide unique OTAA keys.
456 -* AT Command via UART-TTL interface
457 -* Firmware upgradable via UART interface
458 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
195 +1.LA66 LoRa Shield works fine
459 459  
197 +2.LA66 LoRa Shield is registered with TTN
460 460  
199 +===== Steps for usage =====
461 461  
201 +1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
462 462  
463 -== 3.3  Specification ==
203 +[[image:image-20220602114148-1.png]]
464 464  
205 +2.Run the script and see the TTN
465 465  
466 -* CPU: 32-bit 48 MHz
467 -* Flash: 256KB
468 -* RAM: 64KB
469 -* Input Power Range: 5v
470 -* Frequency Range: 150 MHz ~~ 960 MHz
471 -* Maximum Power +22 dBm constant RF output
472 -* High sensitivity: -148 dBm
473 -* Temperature:
474 -** Storage: -55 ~~ +125℃
475 -** Operating: -40 ~~ +85℃
476 -* Humidity:
477 -** Storage: 5 ~~ 95% (Non-Condensing)
478 -** Operating: 10 ~~ 95% (Non-Condensing)
479 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
480 -* LoRa Rx current: <9 mA
207 +[[image:image-20220602115852-3.png]]
481 481  
482 482  
483 483  
211 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
484 484  
485 -== 3.4  Pin Mapping & LED ==
486 486  
487 -
488 -
489 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
490 -
491 -
492 -(((
493 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
494 -)))
495 -
496 -
497 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
498 -
499 -
500 -[[image:image-20220723100027-1.png]]
501 -
502 -
503 -Open the serial port tool
504 -
505 -[[image:image-20220602161617-8.png]]
506 -
507 -[[image:image-20220602161718-9.png||height="457" width="800"]]
508 -
509 -
510 -
511 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
512 -
513 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
514 -
515 -
516 -[[image:image-20220602161935-10.png||height="498" width="800"]]
517 -
518 -
519 -
520 -(% style="color:blue" %)**3. See Uplink Command**
521 -
522 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
523 -
524 -example: AT+SENDB=01,02,8,05820802581ea0a5
525 -
526 -[[image:image-20220602162157-11.png||height="497" width="800"]]
527 -
528 -
529 -
530 -(% style="color:blue" %)**4. Check to see if TTN received the message**
531 -
532 -[[image:image-20220602162331-12.png||height="420" width="800"]]
533 -
534 -
535 -
536 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
537 -
538 -
539 -**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]]
540 -
541 -(**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]])
542 -
543 -(% style="color:red" %)**Preconditions:**
544 -
545 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
546 -
547 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
548 -
549 -
550 -
551 -(% style="color:blue" %)**Steps for usage:**
552 -
553 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
554 -
555 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
556 -
557 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
558 -
559 -
560 -
561 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
562 -
563 -
564 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
565 -
566 -
567 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
568 -
569 -[[image:image-20220723100439-2.png]]
570 -
571 -
572 -
573 -(% style="color:blue" %)**2. Install Minicom in RPi.**
574 -
575 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
576 -
577 - (% style="background-color:yellow" %)**apt update**
578 -
579 - (% style="background-color:yellow" %)**apt install minicom**
580 -
581 -
582 -Use minicom to connect to the RPI's terminal
583 -
584 -[[image:image-20220602153146-3.png||height="439" width="500"]]
585 -
586 -
587 -
588 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
589 -
590 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
591 -
592 -
593 -[[image:image-20220602154928-5.png||height="436" width="500"]]
594 -
595 -
596 -
597 -(% style="color:blue" %)**4. Send Uplink message**
598 -
599 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
600 -
601 -example: AT+SENDB=01,02,8,05820802581ea0a5
602 -
603 -
604 -[[image:image-20220602160339-6.png||height="517" width="600"]]
605 -
606 -
607 -
608 -Check to see if TTN received the message
609 -
610 -[[image:image-20220602160627-7.png||height="369" width="800"]]
611 -
612 -
613 -
614 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
615 -
616 -
617 -=== 3.8.1  Hardware and Software Connection ===
618 -
619 -
620 -==== (% style="color:blue" %)**Overview：**(%%) ====
621 -
622 -
623 -(((
624 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
625 -
626 -* Send real-time location information of mobile phone to LoRaWAN network.
627 -* Check LoRaWAN network signal strengh.
628 -* Manually send messages to LoRaWAN network.
629 -)))
630 -
631 -
632 -
633 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
634 -
635 -A USB to Type-C adapter is needed to connect to a Mobile phone.
636 -
637 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
638 -
639 -[[image:image-20220813174353-2.png||height="360" width="313"]]
640 -
641 -
642 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
643 -
644 -[[(% 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)
645 -
646 -[[image:image-20220813173738-1.png]]
647 -
648 -
649 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
650 -
651 -Function and page introduction
652 -
653 -[[image:image-20220723113448-7.png||height="995" width="450"]]
654 -
655 -**Block Explain:**
656 -
657 -1.  Display LA66 USB LoRaWAN Module connection status
658 -
659 -2.  Check and reconnect
660 -
661 -3.  Turn send timestamps on or off
662 -
663 -4.  Display LoRaWan connection status
664 -
665 -5.  Check LoRaWan connection status
666 -
667 -6.  The RSSI value of the node when the ACK is received
668 -
669 -7.  Node's Signal Strength Icon
670 -
671 -8.  Configure Location Uplink Interval
672 -
673 -9.  AT command input box
674 -
675 -10.  Send Button:  Send input box info to LA66 USB Adapter
676 -
677 -11.  Output Log from LA66 USB adapter
678 -
679 -12.  clear log button
680 -
681 -13.  exit button
682 -
683 -
684 -LA66 USB LoRaWAN Module not connected
685 -
686 -[[image:image-20220723110520-5.png||height="677" width="508"]]
687 -
688 -
689 -
690 -Connect LA66 USB LoRaWAN Module
691 -
692 -[[image:image-20220723110626-6.png||height="681" width="511"]]
693 -
694 -
695 -
696 -=== 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 ===
697 -
698 -
699 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
700 -
701 -[[image:image-20220723134549-8.png]]
702 -
703 -
704 -
705 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
706 -
707 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
708 -
709 -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/]]
710 -
711 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
712 -
713 -
714 -Example output in NodeRed is as below:
715 -
716 -[[image:image-20220723144339-1.png]]
717 -
718 -
719 -
720 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
721 -
722 -
723 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
724 -
725 -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)
726 -
727 -[[image:image-20220723150132-2.png]]
728 -
729 -
730 -
731 -= 4.  FAQ =
732 -
733 -
734 -== 4.1  How to Compile Source Code for LA66? ==
735 -
736 -
737 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
738 -
739 -
740 -
741 -= 5.  Order Info =
742 -
743 -
744 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
745 -
746 -
747 -(% style="color:blue" %)**XXX**(%%): The default frequency band
748 -
749 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
750 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
751 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
752 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
753 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
754 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
755 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
756 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
757 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
758 -
759 -
760 -
761 -
762 -= 6.  Reference =
763 -
764 -
765 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
214 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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