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Last modified by Xiaoling on 2023/09/19 09:20
From version 162.3
edited by Xiaoling
on 2023/06/05 15:35
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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}

Summary

Details

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Title
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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Lu
Content
... ... @@ -8,6 +8,7 @@
8 8  
9 9  = 1.  LA66 LoRaWAN Module =
10 10  
11 +
11 11  == 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 13  
... ... @@ -48,10 +48,10 @@
48 48  )))
49 49  
50 50  
52 +
51 51  == 1.2  Features ==
52 52  
53 -
54 -* Support LoRaWAN v1.0.3 protocol
55 +* Support LoRaWAN v1.0.4 protocol
55 55  * Support peer-to-peer protocol
56 56  * TCXO crystal to ensure RF performance on low temperature
57 57  * SMD Antenna pad and i-pex antenna connector
... ... @@ -63,9 +63,9 @@
63 63  
64 64  
65 65  
67 +
66 66  == 1.3  Specification ==
67 67  
68 -
69 69  * CPU: 32-bit 48 MHz
70 70  * Flash: 256KB
71 71  * RAM: 64KB
... ... @@ -86,177 +86,649 @@
86 86  
87 87  
88 88  
90 +
89 89  == 1.4  AT Command ==
90 90  
91 91  
92 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
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.
93 93  
94 94  
97 +
95 95  == 1.5  Dimension ==
96 96  
97 -
98 98  [[image:image-20220718094750-3.png]]
99 99  
100 100  
103 +
101 101  == 1.6  Pin Mapping ==
102 102  
103 103  [[image:image-20220720111850-1.png]]
104 104  
105 105  
109 +
106 106  == 1.7  Land Pattern ==
107 107  
108 -
109 109  [[image:image-20220517072821-2.png]]
110 110  
111 111  
112 -= 2.  FAQ =
113 113  
114 -== 2.1  Where to find examples of how to use LA66? ==
116 += 2.  LA66 LoRaWAN Shield =
115 115  
116 116  
117 -(% class="wikigeneratedid" %)
118 -Below products are made by LA66. User can use their examples as reference:
119 +== 2.1  Overview ==
119 119  
120 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
121 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
122 122  
122 +(((
123 +[[image:image-20220715000826-2.png||height="145" width="220"]]
124 +)))
123 123  
126 +(((
127 +
128 +)))
124 124  
125 -== 2.2  How to Compile Source Code for LA66? ==
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 +)))
126 126  
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 +)))
127 127  
128 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
140 +(((
141 +(((
142 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
143 +)))
144 +)))
129 129  
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 +)))
130 130  
131 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
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 +)))
132 132  
133 133  
134 -Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
135 135  
160 +== 2.2  Features ==
136 136  
137 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
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
138 138  
139 139  
140 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
141 141  
142 142  
143 -== 2.5 How can i use J-LInk to debug LA66? ==
176 +== 2.3  Specification ==
144 144  
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
145 145  
146 -(% style="color:#037691" %)**The steps are as follows:**
147 147  
148 148  
149 -(% style="color:blue" %)**1. Install J-Link software from**
150 150  
151 -[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
199 +== 2.4  LED ==
152 152  
153 153  
154 -(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
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
155 155  
156 156  
157 -[[image:image-20230605151850-1.png]]
158 158  
208 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
159 159  
160 -[[image:image-20230605151850-2.png]]
161 161  
211 +**Show connection diagram：**
162 162  
163 -(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
164 164  
165 -**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
214 +[[image:image-20220723170210-2.png||height="908" width="681"]]
166 166  
167 -**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
168 168  
169 -**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
170 170  
171 -**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
218 +(% style="color:blue" %)**1.  open Arduino IDE**
172 172  
173 -[[image:image-20230605151850-3.png||height="629" width="1182"]]
174 174  
175 -(% style="display:none" %) (%%)
221 +[[image:image-20220723170545-4.png]]
176 176  
177 -(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
178 178  
179 -(% style="display:none" %) [[image:image-20230605151850-4.png]]
180 180  
225 +(% style="color:blue" %)**2.  Open project**
181 181  
182 -**Add ASR6601 256KB Flash to Flash Download**
183 183  
184 -[[image:image-20230605152412-12.png]]
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]]
185 185  
186 186  
187 -[[image:image-20230605151851-6.png]]
188 188  
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**
189 189  
190 -(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
191 191  
192 192  
193 -[[image:image-20230605151851-7.png]]
236 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
194 194  
195 -[[image:image-20230605151851-8.png]]
196 196  
239 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
197 197  
198 -(% style="color:red" %)**Note: After debug, user should change the Flash address back to 0x0800D000, and upload the OTA bootloader to LA66. Otherwise, the compiled program doesn't support OTA update.**
199 199  
200 200  
201 -(% style="color:blue" %)**6. Comment the low power function in main.c.**
243 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
202 202  
203 203  
204 -[[image:image-20230605151851-9.png]]
246 +(% style="color:blue" %)**1.  Open project**
205 205  
206 206  
207 -(% style="color:blue" %)**Click Debug mode to debug.**
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]]
208 208  
209 -[[image:image-20230605151851-10.png||height="293" width="1275"]]
210 210  
252 +[[image:image-20220723172502-8.png]]
211 211  
212 -[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
213 213  
214 -(% style="display:none" %) (%%)
215 215  
216 -= 3.  Order Info =
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**
217 217  
218 218  
219 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
259 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
220 220  
221 -(% style="color:blue" %)**XXX**(%%): The default frequency band
222 222  
223 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
224 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
225 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
226 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
227 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
228 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
229 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
230 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
231 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
232 232  
263 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
233 233  
234 234  
235 -= 4.  FCC Statement =
266 +(% style="color:blue" %)**1.  Open project**
236 236  
237 237  
238 -(% style="color:red" %)**FCC Caution:**
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]]
239 239  
240 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
241 241  
242 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
272 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
243 243  
244 244  
245 -(% style="color:red" %)**IMPORTANT NOTE: **
246 246  
247 -(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
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**
248 248  
249 -—Reorient or relocate the receiving antenna.
250 250  
251 -—Increase the separation between the equipment and receiver.
279 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
252 252  
253 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
254 254  
255 -—Consult the dealer or an experienced radio/TV technician for help.
256 256  
283 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
257 257  
258 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
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/]]
259 259  
260 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
287 +[[image:image-20220723175700-12.png||height="602" width="995"]]
261 261  
262 -
289 +
290 +
291 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
292 +
293 +
294 +=== 2.8.1  Items needed for update ===
295 +
296 +
297 +1. LA66 LoRaWAN Shield
298 +1. Arduino
299 +1. USB TO TTL Adapter
300 +
301 +[[image:image-20220602100052-2.png||height="385" width="600"]]
302 +
303 +
304 +=== 2.8.2  Connection ===
305 +
306 +
307 +[[image:image-20220602101311-3.png||height="276" width="600"]]
308 +
309 +
310 +(((
311 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
312 +)))
313 +
314 +(((
315 +(% style="background-color:yellow" %)**GND  <-> GND
316 +TXD  <->  TXD
317 +RXD  <->  RXD**
318 +)))
319 +
320 +
321 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
322 +
323 +Connect USB TTL Adapter to PC after connecting the wires
324 +
325 +
326 +[[image:image-20220602102240-4.png||height="304" width="600"]]
327 +
328 +
329 +=== 2.8.3  Upgrade steps ===
330 +
331 +
332 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
333 +
334 +
335 +[[image:image-20220602102824-5.png||height="306" width="600"]]
336 +
337 +
338 +
339 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
340 +
341 +
342 +[[image:image-20220602104701-12.png||height="285" width="600"]]
343 +
344 +
345 +
346 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
347 +
348 +
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 +)))
352 +
353 +
354 +[[image:image-20220602103227-6.png]]
355 +
356 +
357 +[[image:image-20220602103357-7.png]]
358 +
359 +
360 +
361 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
362 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
363 +
364 +
365 +[[image:image-20220602103844-8.png]]
366 +
367 +
368 +
369 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
370 +(% style="color:blue" %)**3. Select the bin file to burn**
371 +
372 +
373 +[[image:image-20220602104144-9.png]]
374 +
375 +
376 +[[image:image-20220602104251-10.png]]
377 +
378 +
379 +[[image:image-20220602104402-11.png]]
380 +
381 +
382 +
383 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
384 +(% style="color:blue" %)**4. Click to start the download**
385 +
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 +
414 +(((
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 +)))
417 +
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.
420 +)))
421 +
422 +(((
423 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
424 +)))
425 +
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 +)))
429 +
430 +(((
431 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
432 +)))
433 +
434 +
435 +
436 +== 3.2  Features ==
437 +
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.
449 +
450 +
451 +== 3.3  Specification ==
452 +
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
468 +
469 +
470 +== 3.4  Pin Mapping & LED ==
471 +
472 +
473 +
474 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
475 +
476 +
477 +(((
478 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
479 +)))
480 +
481 +
482 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
483 +
484 +
485 +[[image:image-20220723100027-1.png]]
486 +
487 +
488 +Open the serial port tool
489 +
490 +[[image:image-20220602161617-8.png]]
491 +
492 +[[image:image-20220602161718-9.png||height="457" width="800"]]
493 +
494 +
495 +
496 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
497 +
498 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
499 +
500 +
501 +[[image:image-20220602161935-10.png||height="498" width="800"]]
502 +
503 +
504 +
505 +(% style="color:blue" %)**3. See Uplink Command**
506 +
507 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
508 +
509 +example: AT+SENDB=01,02,8,05820802581ea0a5
510 +
511 +[[image:image-20220602162157-11.png||height="497" width="800"]]
512 +
513 +
514 +
515 +(% style="color:blue" %)**4. Check to see if TTN received the message**
516 +
517 +[[image:image-20220602162331-12.png||height="420" width="800"]]
518 +
519 +
520 +
521 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
522 +
523 +
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]]
525 +
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]])
527 +
528 +(% style="color:red" %)**Preconditions:**
529 +
530 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
531 +
532 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
533 +
534 +
535 +
536 +(% style="color:blue" %)**Steps for usage:**
537 +
538 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
539 +
540 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
541 +
542 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
543 +
544 +
545 +
546 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
547 +
548 +
549 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
550 +
551 +
552 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
553 +
554 +[[image:image-20220723100439-2.png]]
555 +
556 +
557 +
558 +(% style="color:blue" %)**2. Install Minicom in RPi.**
559 +
560 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
561 +
562 + (% style="background-color:yellow" %)**apt update**
563 +
564 + (% style="background-color:yellow" %)**apt install minicom**
565 +
566 +
567 +Use minicom to connect to the RPI's terminal
568 +
569 +[[image:image-20220602153146-3.png||height="439" width="500"]]
570 +
571 +
572 +
573 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
574 +
575 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
576 +
577 +
578 +[[image:image-20220602154928-5.png||height="436" width="500"]]
579 +
580 +
581 +
582 +(% style="color:blue" %)**4. Send Uplink message**
583 +
584 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
585 +
586 +example: AT+SENDB=01,02,8,05820802581ea0a5
587 +
588 +
589 +[[image:image-20220602160339-6.png||height="517" width="600"]]
590 +
591 +
592 +
593 +Check to see if TTN received the message
594 +
595 +[[image:image-20220602160627-7.png||height="369" width="800"]]
596 +
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 +
716 +(% style="color:blue" %)**XXX**(%%): The default frequency band
717 +
718 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
719 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
720 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
721 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
722 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
723 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
724 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
725 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
726 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
727 +
728 +
729 +
730 +
731 +
732 += 5.  Reference =
733 +
734 +
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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