Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 146.2 >
edited by Xiaoling
on 2022/08/16 10:57
To version < 162.3 >
edited by Xiaoling
on 2023/06/05 15:35
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Summary

Details

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Content
... ... @@ -8,7 +8,6 @@
8 8  
9 9  = 1.  LA66 LoRaWAN Module =
10 10  
11 -
12 12  == 1.1  What is LA66 LoRaWAN Module ==
13 13  
14 14  
... ... @@ -49,11 +49,10 @@
49 49  )))
50 50  
51 51  
52 -
53 53  == 1.2  Features ==
54 54  
55 55  
56 -* Support LoRaWAN v1.0.4 protocol
54 +* Support LoRaWAN v1.0.3 protocol
57 57  * Support peer-to-peer protocol
58 58  * TCXO crystal to ensure RF performance on low temperature
59 59  * SMD Antenna pad and i-pex antenna connector
... ... @@ -63,6 +63,8 @@
63 63  * Firmware upgradable via UART interface
64 64  * Ultra-long RF range
65 65  
64 +
65 +
66 66  == 1.3  Specification ==
67 67  
68 68  
... ... @@ -84,25 +84,25 @@
84 84  * LoRa Rx current: <9 mA
85 85  * I/O Voltage: 3.3v
86 86  
87 -== 1.4  AT Command ==
88 88  
89 89  
90 -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 +== 1.4  AT Command ==
91 91  
92 92  
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]].
93 93  
94 +
94 94  == 1.5  Dimension ==
95 95  
97 +
96 96  [[image:image-20220718094750-3.png]]
97 97  
98 98  
99 -
100 100  == 1.6  Pin Mapping ==
101 101  
102 102  [[image:image-20220720111850-1.png]]
103 103  
104 104  
105 -
106 106  == 1.7  Land Pattern ==
107 107  
108 108  
... ... @@ -109,639 +109,154 @@
109 109  [[image:image-20220517072821-2.png]]
110 110  
111 111  
112 += 2.  FAQ =
112 112  
113 -= 2.  LA66 LoRaWAN Shield =
114 +== 2.1  Where to find examples of how to use LA66? ==
114 114  
115 115  
116 -== 2.1  Overview ==
117 +(% class="wikigeneratedid" %)
118 +Below products are made by LA66. User can use their examples as reference:
117 117  
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]]
118 118  
119 -(((
120 -[[image:image-20220715000826-2.png||height="145" width="220"]]
121 -)))
122 122  
123 -(((
124 -
125 -)))
126 126  
127 -(((
128 -(% 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.
129 -)))
125 +== 2.2  How to Compile Source Code for LA66? ==
130 130  
131 -(((
132 -(((
133 -(% 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.
134 -)))
135 -)))
136 136  
137 -(((
138 -(((
139 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
140 -)))
141 -)))
128 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
142 142  
143 -(((
144 -(((
145 -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.
146 -)))
147 -)))
148 148  
149 -(((
150 -(((
151 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
152 -)))
153 -)))
131 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
154 154  
155 155  
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.
156 156  
157 -== 2.2  Features ==
158 158  
137 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
159 159  
160 -* Arduino Shield base on LA66 LoRaWAN module
161 -* Support LoRaWAN v1.0.4 protocol
162 -* Support peer-to-peer protocol
163 -* TCXO crystal to ensure RF performance on low temperature
164 -* SMA connector
165 -* Available in different frequency LoRaWAN frequency bands.
166 -* World-wide unique OTAA keys.
167 -* AT Command via UART-TTL interface
168 -* Firmware upgradable via UART interface
169 -* Ultra-long RF range
170 170  
171 -== 2.3  Specification ==
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]]
172 172  
173 173  
174 -* CPU: 32-bit 48 MHz
175 -* Flash: 256KB
176 -* RAM: 64KB
177 -* Input Power Range: 1.8v ~~ 3.7v
178 -* Power Consumption: < 4uA.
179 -* Frequency Range: 150 MHz ~~ 960 MHz
180 -* Maximum Power +22 dBm constant RF output
181 -* High sensitivity: -148 dBm
182 -* Temperature:
183 -** Storage: -55 ~~ +125℃
184 -** Operating: -40 ~~ +85℃
185 -* Humidity:
186 -** Storage: 5 ~~ 95% (Non-Condensing)
187 -** Operating: 10 ~~ 95% (Non-Condensing)
188 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
189 -* LoRa Rx current: <9 mA
190 -* I/O Voltage: 3.3v
143 +== 2.5 How can i use J-LInk to debug LA66? ==
191 191  
192 -== 2.4  Pin Mapping & LED ==
193 193  
146 +(% style="color:#037691" %)**The steps are as follows:**
194 194  
195 -[[image:image-20220814101457-1.png||height="553" width="761"]]
196 196  
197 -~1. The LED lights up red when there is an upstream data packet
198 -2. When the network is successfully connected, the green light will be on for 5 seconds
199 -3. Purple light on when receiving downlink data packets
149 +(% style="color:blue" %)**1. Install J-Link software from**
200 200  
151 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
201 201  
202 202  
203 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
154 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
204 204  
205 205  
206 -**Show connection diagram：**
157 +[[image:image-20230605151850-1.png]]
207 207  
208 208  
209 -[[image:image-20220723170210-2.png||height="908" width="681"]]
160 +[[image:image-20230605151850-2.png]]
210 210  
211 211  
163 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
212 212  
213 -(% style="color:blue" %)**1.  open Arduino IDE**
165 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
214 214  
167 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
215 215  
216 -[[image:image-20220723170545-4.png]]
169 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
217 217  
171 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
218 218  
173 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
219 219  
220 -(% style="color:blue" %)**2.  Open project**
175 +(% style="display:none" %) (%%)
221 221  
177 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
222 222  
223 -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]]
179 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
224 224  
225 -[[image:image-20220726135239-1.png]]
226 226  
182 +**Add ASR6601 256KB Flash to Flash Download**
227 227  
228 -(% 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**
184 +[[image:image-20230605152412-12.png]]
229 229  
230 -[[image:image-20220726135356-2.png]]
231 231  
187 +[[image:image-20230605151851-6.png]]
232 232  
233 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
234 234  
190 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
235 235  
236 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
237 237  
193 +[[image:image-20230605151851-7.png]]
238 238  
195 +[[image:image-20230605151851-8.png]]
239 239  
240 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
241 241  
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.**
242 242  
243 -(% style="color:blue" %)**1.  Open project**
244 244  
201 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
245 245  
246 -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]]
247 247  
204 +[[image:image-20230605151851-9.png]]
248 248  
249 -[[image:image-20220723172502-8.png]]
250 250  
207 +(% style="color:blue" %)**Click Debug mode to debug.**
251 251  
209 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
252 252  
253 -(% 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**
254 254  
212 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
255 255  
256 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
214 +(% style="display:none" %) (%%)
257 257  
216 += 3.  Order Info =
258 258  
259 259  
260 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
219 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
261 261  
221 +(% style="color:blue" %)**XXX**(%%): The default frequency band
262 262  
263 -(% style="color:blue" %)**1.  Open project**
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
264 264  
265 265  
266 -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]]
267 267  
235 += 4.  FCC Statement =
268 268  
269 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
270 270  
238 +(% style="color:red" %)**FCC Caution:**
271 271  
240 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
272 272  
273 -(% 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**
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.
274 274  
275 275  
276 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
245 +(% style="color:red" %)**IMPORTANT NOTE: **
277 277  
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:
278 278  
249 +—Reorient or relocate the receiving antenna.
279 279  
280 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
251 +—Increase the separation between the equipment and receiver.
281 281  
282 -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/]]
253 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
283 283  
284 -[[image:image-20220723175700-12.png||height="602" width="995"]]
255 +—Consult the dealer or an experienced radio/TV technician for help.
285 285  
286 286  
258 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
287 287  
288 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
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.
289 289  
290 -
291 -=== 2.8.1  Items needed for update ===
292 -
293 -
294 -1. LA66 LoRaWAN Shield
295 -1. Arduino
296 -1. USB TO TTL Adapter
297 -
298 -[[image:image-20220602100052-2.png||height="385" width="600"]]
299 -
300 -
301 -
302 -=== 2.8.2  Connection ===
303 -
304 -
305 -[[image:image-20220602101311-3.png||height="276" width="600"]]
306 -
307 -
308 -(((
309 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
310 -)))
311 -
312 -(((
313 -(% style="background-color:yellow" %)**GND  <-> GND
314 -TXD  <->  TXD
315 -RXD  <->  RXD**
316 -)))
317 -
318 -
319 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
320 -
321 -Connect USB TTL Adapter to PC after connecting the wires
322 -
323 -
324 -[[image:image-20220602102240-4.png||height="304" width="600"]]
325 -
326 -
327 -
328 -=== 2.8.3  Upgrade steps ===
329 -
330 -
331 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
332 -
333 -
334 -[[image:image-20220602102824-5.png||height="306" width="600"]]
335 -
336 -
337 -
338 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
339 -
340 -
341 -[[image:image-20220602104701-12.png||height="285" width="600"]]
342 -
343 -
344 -
345 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
346 -
347 -
348 -(((
349 -(% 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/]]**
350 -)))
351 -
352 -
353 -[[image:image-20220602103227-6.png]]
354 -
355 -
356 -[[image:image-20220602103357-7.png]]
357 -
358 -
359 -
360 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
361 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
362 -
363 -
364 -[[image:image-20220602103844-8.png]]
365 -
366 -
367 -
368 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
369 -(% style="color:blue" %)**3. Select the bin file to burn**
370 -
371 -
372 -[[image:image-20220602104144-9.png]]
373 -
374 -
375 -[[image:image-20220602104251-10.png]]
376 -
377 -
378 -[[image:image-20220602104402-11.png]]
379 -
380 -
381 -
382 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
383 -(% style="color:blue" %)**4. Click to start the download**
384 -
385 -[[image:image-20220602104923-13.png]]
386 -
387 -
388 -
389 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
390 -(% style="color:blue" %)**5. Check update process**
391 -
392 -
393 -[[image:image-20220602104948-14.png]]
394 -
395 -
396 -
397 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
398 -(% style="color:blue" %)**The following picture shows that the burning is successful**
399 -
400 -[[image:image-20220602105251-15.png]]
401 -
402 -
403 -
404 -= 3.  LA66 USB LoRaWAN Adapter =
405 -
406 -
407 -== 3.1  Overview ==
408 -
409 -
410 -[[image:image-20220715001142-3.png||height="145" width="220"]]
411 -
412 -
413 -(((
414 -(% 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.
415 -)))
416 -
417 -(((
418 -(% 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.
419 -)))
420 -
421 -(((
422 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
423 -)))
424 -
425 -(((
426 -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.
427 -)))
428 -
429 -(((
430 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
431 -)))
432 -
433 -
434 -
435 -== 3.2  Features ==
436 -
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 -== 3.3  Specification ==
451 -
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 -== 3.4  Pin Mapping & LED ==
470 -
471 -[[image:image-20220813183239-3.png||height="526" width="662"]]
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 mobile APP ==
600 -
601 -
602 -=== 3.8.1  Hardware and Software Connection ===
603 -
604 -
605 -==== (% style="color:blue" %)**Overview：**(%%) ====
606 -
607 -
608 -(((
609 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
610 -
611 -* Send real-time location information of mobile phone to LoRaWAN network.
612 -* Check LoRaWAN network signal strengh.
613 -* Manually send messages to LoRaWAN network.
614 -)))
615 -
616 -
617 -
618 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
619 -
620 -A USB to Type-C adapter is needed to connect to a Mobile phone.
621 -
622 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
623 -
624 -[[image:image-20220813174353-2.png||height="360" width="313"]]
625 -
626 -
627 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
628 -
629 -[[(% 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)
630 -
631 -[[image:image-20220813173738-1.png]]
632 -
633 -
634 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
635 -
636 -Function and page introduction
637 -
638 -[[image:image-20220723113448-7.png||height="995" width="450"]]
639 -
640 -**Block Explain:**
641 -
642 -1.  Display LA66 USB LoRaWAN Module connection status
643 -
644 -2.  Check and reconnect
645 -
646 -3.  Turn send timestamps on or off
647 -
648 -4.  Display LoRaWan connection status
649 -
650 -5.  Check LoRaWan connection status
651 -
652 -6.  The RSSI value of the node when the ACK is received
653 -
654 -7.  Node's Signal Strength Icon
655 -
656 -8.  Configure Location Uplink Interval
657 -
658 -9.  AT command input box
659 -
660 -10.  Send Button:  Send input box info to LA66 USB Adapter
661 -
662 -11.  Output Log from LA66 USB adapter
663 -
664 -12.  clear log button
665 -
666 -13.  exit button
667 -
668 -
669 -LA66 USB LoRaWAN Module not connected
670 -
671 -[[image:image-20220723110520-5.png||height="677" width="508"]]
672 -
673 -
674 -
675 -Connect LA66 USB LoRaWAN Module
676 -
677 -[[image:image-20220723110626-6.png||height="681" width="511"]]
678 -
679 -
680 -
681 -=== 3.8.2 Send data to TTNv3 and plot location info in Node-Red ===
682 -
683 -
684 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
685 -
686 -[[image:image-20220723134549-8.png]]
687 -
688 -
689 -
690 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
691 -
692 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
693 -
694 -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/]]
695 -
696 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
697 -
698 -
699 -Example output in NodeRed is as below:
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.  FAQ =
717 -
718 -
719 -== 4.1  How to Compile Source Code for LA66? ==
720 -
721 -
722 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
723 -
724 -
725 -
726 -= 5.  Order Info =
727 -
728 -
729 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
730 -
731 -
732 -(% style="color:blue" %)**XXX**(%%): The default frequency band
733 -
734 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
735 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
736 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
737 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
738 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
739 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
740 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
741 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
742 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
743 -
744 -= 6.  Reference =
745 -
746 -
747 -* 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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