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Last modified by Xiaoling on 2023/09/19 09:20
From version 162.6
edited by Xiaoling
on 2023/09/19 09:20
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To version 134.11
edited by Xiaoling
on 2022/07/26 10:48
Change comment: There is no comment for this version

Summary

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Title
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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
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
... ... @@ -61,9 +61,12 @@
61 61  * Firmware upgradable via UART interface
62 62  * Ultra-long RF range
63 63  
64 -== 1.3  Specification ==
65 65  
66 66  
67 +
68 +
69 +== 1.3  Specification ==
70 +
67 67  * CPU: 32-bit 48 MHz
68 68  * Flash: 256KB
69 69  * RAM: 64KB
... ... @@ -82,174 +82,653 @@
82 82  * LoRa Rx current: <9 mA
83 83  * I/O Voltage: 3.3v
84 84  
89 +
90 +
91 +
92 +
85 85  == 1.4  AT Command ==
86 86  
87 87  
88 -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/scl/fi/3mll5vn9wd446wuk7fwtn/LA66-AT-commands.pdf?rlkey=webesgp6himl162wnx7xssqa1&dl=0]].
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.
89 89  
90 -== 1.5  Dimension ==
91 91  
92 92  
100 +== 1.5  Dimension ==
101 +
93 93  [[image:image-20220718094750-3.png]]
94 94  
95 95  
105 +
96 96  == 1.6  Pin Mapping ==
97 97  
98 98  [[image:image-20220720111850-1.png]]
99 99  
100 100  
111 +
101 101  == 1.7  Land Pattern ==
102 102  
103 -
104 104  [[image:image-20220517072821-2.png]]
105 105  
106 106  
107 -= 2.  FAQ =
108 108  
109 -== 2.1  Where to find examples of how to use LA66? ==
118 += 2.  LA66 LoRaWAN Shield =
110 110  
111 111  
112 -(% class="wikigeneratedid" %)
113 -Below products are made by LA66. User can use their examples as reference:
121 +== 2.1  Overview ==
114 114  
115 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
116 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
117 117  
118 -== 2.2  How to Compile Source Code for LA66? ==
124 +(((
125 +[[image:image-20220715000826-2.png||height="145" width="220"]]
126 +)))
119 119  
128 +(((
129 +
130 +)))
120 120  
121 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
132 +(((
133 +(% 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.
134 +)))
122 122  
136 +(((
137 +(((
138 +(% 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.
139 +)))
140 +)))
123 123  
124 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
142 +(((
143 +(((
144 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
145 +)))
146 +)))
125 125  
148 +(((
149 +(((
150 +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.
151 +)))
152 +)))
126 126  
127 -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.
154 +(((
155 +(((
156 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
157 +)))
158 +)))
128 128  
129 129  
130 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
131 131  
162 +== 2.2  Features ==
132 132  
133 -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]]
164 +* Arduino Shield base on LA66 LoRaWAN module
165 +* Support LoRaWAN v1.0.4 protocol
166 +* Support peer-to-peer protocol
167 +* TCXO crystal to ensure RF performance on low temperature
168 +* SMA connector
169 +* Available in different frequency LoRaWAN frequency bands.
170 +* World-wide unique OTAA keys.
171 +* AT Command via UART-TTL interface
172 +* Firmware upgradable via UART interface
173 +* Ultra-long RF range
134 134  
135 135  
136 -== 2.5 How can i use J-LInk to debug LA66? ==
137 137  
138 138  
139 -(% style="color:#037691" %)**The steps are as follows:**
140 140  
179 +== 2.3  Specification ==
141 141  
142 -(% style="color:blue" %)**1. Install J-Link software from**
181 +* CPU: 32-bit 48 MHz
182 +* Flash: 256KB
183 +* RAM: 64KB
184 +* Input Power Range: 1.8v ~~ 3.7v
185 +* Power Consumption: < 4uA.
186 +* Frequency Range: 150 MHz ~~ 960 MHz
187 +* Maximum Power +22 dBm constant RF output
188 +* High sensitivity: -148 dBm
189 +* Temperature:
190 +** Storage: -55 ~~ +125℃
191 +** Operating: -40 ~~ +85℃
192 +* Humidity:
193 +** Storage: 5 ~~ 95% (Non-Condensing)
194 +** Operating: 10 ~~ 95% (Non-Condensing)
195 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
196 +* LoRa Rx current: <9 mA
197 +* I/O Voltage: 3.3v
143 143  
144 -[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
145 145  
146 146  
147 -(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
148 148  
149 149  
150 -[[image:image-20230605151850-1.png||height="676" width="640"]]
203 +== 2.4  LED ==
151 151  
152 152  
153 -[[image:image-20230605151850-2.png]]
206 +~1. The LED lights up red when there is an upstream data packet
207 +2. When the network is successfully connected, the green light will be on for 5 seconds
208 +3. Purple light on when receiving downlink data packets
154 154  
155 -(% style="display:none" %) (%%)
156 156  
157 -(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
158 158  
212 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
159 159  
160 -**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
161 161  
162 -**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
215 +**Show connection diagram：**
163 163  
164 -**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
165 165  
166 -**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
218 +[[image:image-20220723170210-2.png||height="908" width="681"]]
167 167  
168 -[[image:image-20230605151850-3.png||height="629" width="1182"]]
169 169  
170 -(% style="display:none" %) (%%)
171 171  
172 -(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
222 +(% style="color:blue" %)**1.  open Arduino IDE**
173 173  
174 -(% style="display:none" %) [[image:image-20230605151850-4.png]]
175 175  
225 +[[image:image-20220723170545-4.png]]
176 176  
177 -**Add ASR6601 256KB Flash to Flash Download**
178 178  
179 -[[image:image-20230605152412-12.png]]
180 180  
229 +(% style="color:blue" %)**2.  Open project**
181 181  
182 -[[image:image-20230605151851-6.png]]
183 183  
232 +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]]
184 184  
185 -(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
186 186  
187 187  
188 -[[image:image-20230605151851-7.png]]
236 +(% 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 -[[image:image-20230605151851-8.png]]
191 191  
192 192  
193 -(% 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.**
240 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
194 194  
195 195  
196 -(% style="color:blue" %)**6. Comment the low power function in main.c.**
243 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
197 197  
198 198  
199 -[[image:image-20230605151851-9.png]]
200 200  
247 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
201 201  
202 -(% style="color:blue" %)**Click Debug mode to debug.**
203 203  
204 -[[image:image-20230605151851-10.png||height="293" width="1275"]]
250 +(% style="color:blue" %)**1.  Open project**
205 205  
206 206  
207 -[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
253 +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 -(% style="display:none" %) (%%)
210 210  
211 -= 3.  Order Info =
256 +[[image:image-20220723172502-8.png]]
212 212  
213 213  
214 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
215 215  
216 -(% style="color:blue" %)**XXX**(%%): The default frequency band
260 +(% 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 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
219 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
220 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
221 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
222 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
223 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
224 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
225 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
226 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
227 227  
228 -= 4.  FCC Statement =
263 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
229 229  
230 230  
231 -(% style="color:red" %)**FCC Caution:**
232 232  
233 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
267 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
234 234  
235 -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.
236 236  
270 +(% style="color:blue" %)**1.  Open project**
237 237  
238 -(% style="color:red" %)**IMPORTANT NOTE: **
239 239  
240 -(% 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:
273 +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]]
241 241  
242 -—Reorient or relocate the receiving antenna.
243 243  
244 -—Increase the separation between the equipment and receiver.
276 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
245 245  
246 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
247 247  
248 -—Consult the dealer or an experienced radio/TV technician for help.
249 249  
280 +(% 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**
250 250  
251 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
252 252  
253 -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.
283 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
254 254  
255 -
285 +
286 +
287 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
288 +
289 +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/]]
290 +
291 +[[image:image-20220723175700-12.png||height="602" width="995"]]
292 +
293 +
294 +
295 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
296 +
297 +
298 +=== 2.8.1  Items needed for update ===
299 +
300 +
301 +1. LA66 LoRaWAN Shield
302 +1. Arduino
303 +1. USB TO TTL Adapter
304 +
305 +[[image:image-20220602100052-2.png||height="385" width="600"]]
306 +
307 +
308 +=== 2.8.2  Connection ===
309 +
310 +
311 +[[image:image-20220602101311-3.png||height="276" width="600"]]
312 +
313 +
314 +(((
315 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
316 +)))
317 +
318 +(((
319 +(% style="background-color:yellow" %)**GND  <-> GND
320 +TXD  <->  TXD
321 +RXD  <->  RXD**
322 +)))
323 +
324 +
325 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
326 +
327 +Connect USB TTL Adapter to PC after connecting the wires
328 +
329 +
330 +[[image:image-20220602102240-4.png||height="304" width="600"]]
331 +
332 +
333 +=== 2.8.3  Upgrade steps ===
334 +
335 +
336 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
337 +
338 +
339 +[[image:image-20220602102824-5.png||height="306" width="600"]]
340 +
341 +
342 +
343 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
344 +
345 +
346 +[[image:image-20220602104701-12.png||height="285" width="600"]]
347 +
348 +
349 +
350 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
351 +
352 +
353 +(((
354 +(% 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/]]**
355 +)))
356 +
357 +
358 +[[image:image-20220602103227-6.png]]
359 +
360 +
361 +[[image:image-20220602103357-7.png]]
362 +
363 +
364 +
365 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
366 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
367 +
368 +
369 +[[image:image-20220602103844-8.png]]
370 +
371 +
372 +
373 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
374 +(% style="color:blue" %)**3. Select the bin file to burn**
375 +
376 +
377 +[[image:image-20220602104144-9.png]]
378 +
379 +
380 +[[image:image-20220602104251-10.png]]
381 +
382 +
383 +[[image:image-20220602104402-11.png]]
384 +
385 +
386 +
387 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
388 +(% style="color:blue" %)**4. Click to start the download**
389 +
390 +[[image:image-20220602104923-13.png]]
391 +
392 +
393 +
394 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
395 +(% style="color:blue" %)**5. Check update process**
396 +
397 +
398 +[[image:image-20220602104948-14.png]]
399 +
400 +
401 +
402 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
403 +(% style="color:blue" %)**The following picture shows that the burning is successful**
404 +
405 +[[image:image-20220602105251-15.png]]
406 +
407 +
408 +
409 += 3.  LA66 USB LoRaWAN Adapter =
410 +
411 +
412 +== 3.1  Overview ==
413 +
414 +
415 +[[image:image-20220715001142-3.png||height="145" width="220"]]
416 +
417 +
418 +(((
419 +(% 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.
420 +)))
421 +
422 +(((
423 +(% 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.
424 +)))
425 +
426 +(((
427 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
428 +)))
429 +
430 +(((
431 +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.
432 +)))
433 +
434 +(((
435 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
436 +)))
437 +
438 +
439 +
440 +== 3.2  Features ==
441 +
442 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
443 +* Ultra-long RF range
444 +* Support LoRaWAN v1.0.4 protocol
445 +* Support peer-to-peer protocol
446 +* TCXO crystal to ensure RF performance on low temperature
447 +* Spring RF antenna
448 +* Available in different frequency LoRaWAN frequency bands.
449 +* World-wide unique OTAA keys.
450 +* AT Command via UART-TTL interface
451 +* Firmware upgradable via UART interface
452 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
453 +
454 +
455 +
456 +== 3.3  Specification ==
457 +
458 +* CPU: 32-bit 48 MHz
459 +* Flash: 256KB
460 +* RAM: 64KB
461 +* Input Power Range: 5v
462 +* Frequency Range: 150 MHz ~~ 960 MHz
463 +* Maximum Power +22 dBm constant RF output
464 +* High sensitivity: -148 dBm
465 +* Temperature:
466 +** Storage: -55 ~~ +125℃
467 +** Operating: -40 ~~ +85℃
468 +* Humidity:
469 +** Storage: 5 ~~ 95% (Non-Condensing)
470 +** Operating: 10 ~~ 95% (Non-Condensing)
471 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
472 +* LoRa Rx current: <9 mA
473 +
474 +
475 +
476 +== 3.4  Pin Mapping & LED ==
477 +
478 +
479 +
480 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
481 +
482 +
483 +(((
484 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
485 +)))
486 +
487 +
488 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
489 +
490 +
491 +[[image:image-20220723100027-1.png]]
492 +
493 +
494 +Open the serial port tool
495 +
496 +[[image:image-20220602161617-8.png]]
497 +
498 +[[image:image-20220602161718-9.png||height="457" width="800"]]
499 +
500 +
501 +
502 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
503 +
504 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
505 +
506 +
507 +[[image:image-20220602161935-10.png||height="498" width="800"]]
508 +
509 +
510 +
511 +(% style="color:blue" %)**3. See Uplink Command**
512 +
513 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
514 +
515 +example: AT+SENDB=01,02,8,05820802581ea0a5
516 +
517 +[[image:image-20220602162157-11.png||height="497" width="800"]]
518 +
519 +
520 +
521 +(% style="color:blue" %)**4. Check to see if TTN received the message**
522 +
523 +[[image:image-20220602162331-12.png||height="420" width="800"]]
524 +
525 +
526 +
527 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
528 +
529 +
530 +**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]]
531 +
532 +(**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]])
533 +
534 +(% style="color:red" %)**Preconditions:**
535 +
536 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
537 +
538 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
539 +
540 +
541 +
542 +(% style="color:blue" %)**Steps for usage:**
543 +
544 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
545 +
546 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
547 +
548 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
549 +
550 +
551 +
552 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
553 +
554 +
555 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
556 +
557 +
558 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
559 +
560 +[[image:image-20220723100439-2.png]]
561 +
562 +
563 +
564 +(% style="color:blue" %)**2. Install Minicom in RPi.**
565 +
566 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
567 +
568 + (% style="background-color:yellow" %)**apt update**
569 +
570 + (% style="background-color:yellow" %)**apt install minicom**
571 +
572 +
573 +Use minicom to connect to the RPI's terminal
574 +
575 +[[image:image-20220602153146-3.png||height="439" width="500"]]
576 +
577 +
578 +
579 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
580 +
581 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
582 +
583 +
584 +[[image:image-20220602154928-5.png||height="436" width="500"]]
585 +
586 +
587 +
588 +(% style="color:blue" %)**4. Send Uplink message**
589 +
590 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
591 +
592 +example: AT+SENDB=01,02,8,05820802581ea0a5
593 +
594 +
595 +[[image:image-20220602160339-6.png||height="517" width="600"]]
596 +
597 +
598 +
599 +Check to see if TTN received the message
600 +
601 +[[image:image-20220602160627-7.png||height="369" width="800"]]
602 +
603 +
604 +
605 +== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
606 +
607 +
608 +=== 3.8.1  DRAGINO-LA66-APP ===
609 +
610 +
611 +[[image:image-20220723102027-3.png]]
612 +
613 +
614 +
615 +==== (% style="color:blue" %)**Overview：**(%%) ====
616 +
617 +
618 +(((
619 +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.
620 +)))
621 +
622 +(((
623 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
624 +)))
625 +
626 +
627 +
628 +==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
629 +
630 +
631 +Requires a type-c to USB adapter
632 +
633 +[[image:image-20220723104754-4.png]]
634 +
635 +
636 +
637 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
638 +
639 +
640 +Function and page introduction
641 +
642 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
643 +
644 +
645 +1.Display LA66 USB LoRaWAN Module connection status
646 +
647 +2.Check and reconnect
648 +
649 +3.Turn send timestamps on or off
650 +
651 +4.Display LoRaWan connection status
652 +
653 +5.Check LoRaWan connection status
654 +
655 +6.The RSSI value of the node when the ACK is received
656 +
657 +7.Node's Signal Strength Icon
658 +
659 +8.Set the packet sending interval of the node in seconds
660 +
661 +9.AT command input box
662 +
663 +10.Send AT command button
664 +
665 +11.Node log box
666 +
667 +12.clear log button
668 +
669 +13.exit button
670 +
671 +
672 +LA66 USB LoRaWAN Module not connected
673 +
674 +[[image:image-20220723110520-5.png||height="903" width="677"]]
675 +
676 +
677 +
678 +Connect LA66 USB LoRaWAN Module
679 +
680 +[[image:image-20220723110626-6.png||height="906" width="680"]]
681 +
682 +
683 +
684 +=== 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 ===
685 +
686 +
687 +(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
688 +
689 +[[image:image-20220723134549-8.png]]
690 +
691 +
692 +
693 +(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
694 +
695 +Sample JSON file please go to this link to download：放置JSON文件的链接
696 +
697 +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/]]
698 +
699 +The following is the positioning effect map
700 +
701 +[[image:image-20220723144339-1.png]]
702 +
703 +
704 +
705 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
706 +
707 +
708 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
709 +
710 +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)
711 +
712 +[[image:image-20220723150132-2.png]]
713 +
714 +
715 +
716 += 4.  Order Info =
717 +
718 +
719 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
720 +
721 +
722 +(% style="color:blue" %)**XXX**(%%): The default frequency band
723 +
724 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
725 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
726 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
727 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
728 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
729 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
730 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
731 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
732 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
733 +
734 +
735 += 5.  Reference =
736 +
737 +
738 +* 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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