Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 134.4 >
edited by Xiaoling
on 2022/07/26 10:37
To version < 31.1 >
edited by Herong Lu
on 2022/06/02 10:52
>
Change comment: Uploaded new attachment "image-20220602105251-15.png", version {1}

Summary

Details

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1 -XWiki.Xiaoling
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  
55 -* Support LoRaWAN v1.0.4 protocol
56 -* Support peer-to-peer protocol
57 -* TCXO crystal to ensure RF performance on low temperature
58 -* SMD Antenna pad and i-pex antenna connector
59 -* Available in different frequency LoRaWAN frequency bands.
60 -* World-wide unique OTAA keys.
61 -* AT Command via UART-TTL interface
62 -* Firmware upgradable via UART interface
63 -* Ultra-long RF range
36 +Humidity:
64 64  
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  
68 -== 1.3  Specification ==
45 +I/O Voltage: 3.3v
69 69  
70 -* CPU: 32-bit 48 MHz
71 -* Flash: 256KB
72 -* RAM: 64KB
73 -* Input Power Range: 1.8v ~~ 3.7v
74 -* Power Consumption: < 4uA.
75 -* Frequency Range: 150 MHz ~~ 960 MHz
76 -* Maximum Power +22 dBm constant RF output
77 -* High sensitivity: -148 dBm
78 -* Temperature:
79 -** Storage: -55 ~~ +125℃
80 -** Operating: -40 ~~ +85℃
81 -* Humidity:
82 -** Storage: 5 ~~ 95% (Non-Condensing)
83 -** Operating: 10 ~~ 95% (Non-Condensing)
84 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
85 -* LoRa Rx current: <9 mA
86 -* I/O Voltage: 3.3v
87 87  
48 +== AT Command ==
88 88  
89 -
90 -
91 -== 1.4  AT Command ==
92 -
93 -
94 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.
95 95  
96 96  
53 +== Pin Mapping ==
97 97  
98 -== 1.5  Dimension ==
55 +[[image:image-20220523101537-1.png]]
99 99  
100 -[[image:image-20220718094750-3.png]]
57 +== Land Pattern ==
101 101  
102 -
103 -
104 -== 1.6  Pin Mapping ==
105 -
106 -[[image:image-20220720111850-1.png]]
107 -
108 -
109 -
110 -== 1.7  Land Pattern ==
111 -
112 112  [[image:image-20220517072821-2.png]]
113 113  
114 114  
62 +== Part Number ==
115 115  
116 -= 2.  LA66 LoRaWAN Shield =
64 +Part Number: **LA66-XXX**
117 117  
66 +**XX**: The default frequency band
118 118  
119 -== 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
120 120  
77 += LA66 LoRaWAN Shield =
121 121  
122 -(((
123 -[[image:image-20220715000826-2.png||height="145" width="220"]]
124 -)))
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
125 125  
126 -(((
127 -
128 -)))
81 +== Pin Mapping & LED ==
129 129  
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 -)))
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
133 133  
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 -)))
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
139 139  
140 -(((
141 -(((
142 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
143 -)))
144 -)))
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
145 145  
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 -)))
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
151 151  
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 -)))
91 +=== what needs to be used ===
157 157  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
158 158  
95 +2.Arduino
159 159  
160 -== 2.2  Features ==
97 +3.USB TO TTL
161 161  
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
99 +[[image:image-20220602100052-2.png]]
172 172  
173 -== 2.3  Specification ==
101 +=== Wiring Schematic ===
174 174  
175 -* CPU: 32-bit 48 MHz
176 -* Flash: 256KB
177 -* RAM: 64KB
178 -* Input Power Range: 1.8v ~~ 3.7v
179 -* Power Consumption: < 4uA.
180 -* Frequency Range: 150 MHz ~~ 960 MHz
181 -* Maximum Power +22 dBm constant RF output
182 -* High sensitivity: -148 dBm
183 -* Temperature:
184 -** Storage: -55 ~~ +125℃
185 -** Operating: -40 ~~ +85℃
186 -* Humidity:
187 -** Storage: 5 ~~ 95% (Non-Condensing)
188 -** Operating: 10 ~~ 95% (Non-Condensing)
189 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
190 -* LoRa Rx current: <9 mA
191 -* I/O Voltage: 3.3v
103 +[[image:image-20220602101311-3.png]]
192 192  
193 -== 2.4  LED ==
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
194 194  
195 -~1. The LED lights up red when there is an upstream data packet
196 -2. When the network is successfully connected, the green light will be on for 5 seconds
197 -3. Purple light on when receiving downlink data packets
107 +GND  >>>>>>>>>>>>GND
198 198  
109 +TXD  >>>>>>>>>>>>TXD
199 199  
200 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
111 +RXD  >>>>>>>>>>>>RXD
201 201  
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
202 202  
203 -**Show connection diagram：**
115 +Connect to the PC after connecting the wires
204 204  
117 +[[image:image-20220602102240-4.png]]
205 205  
206 -[[image:image-20220723170210-2.png||height="908" width="681"]]
119 +=== Upgrade steps ===
207 207  
208 208  
122 += LA66 USB LoRaWAN Adapter =
209 209  
210 -**1.  open Arduino IDE**
124 +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.
211 211  
126 +== Pin Mapping & LED ==
212 212  
213 -[[image:image-20220723170545-4.png]]
128 +== Example Send & Get Messages via LoRaWAN in PC ==
214 214  
130 +== Example Send & Get Messages via LoRaWAN in RPi ==
215 215  
132 +=== Install USB Driver ===
216 216  
217 -**2.  Open project**
134 +=== Install Minicom ===
218 218  
136 +=== Use AT Command to send an uplink message. ===
219 219  
220 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
138 +=== Send CPU/RAM usage to TTN via a script. ===
221 221  
222 -[[image:image-20220723170750-5.png||height="533" width="930"]]
223 223  
141 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
224 224  
225 225  
226 -**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**
227 -
228 -
229 -[[image:image-20220723171228-6.png]]
230 -
231 -
232 -
233 -**4.  After the upload is successful, open the serial port monitoring and send the AT command**
234 -
235 -
236 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
237 -
238 -
239 -
240 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
241 -
242 -
243 -**1.  Open project**
244 -
245 -
246 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
247 -
248 -[[image:image-20220723172502-8.png]]
249 -
250 -
251 -
252 -2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
253 -
254 -
255 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
256 -
257 -
258 -
259 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
260 -
261 -
262 -**1.  Open project**
263 -
264 -
265 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
266 -
267 -
268 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
269 -
270 -
271 -
272 -**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
273 -
274 -
275 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
276 -
277 -
278 -
279 -**3.  Integration into Node-red via TTNV3**
280 -
281 -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/]]
282 -
283 -[[image:image-20220723175700-12.png||height="602" width="995"]]
284 -
285 -
286 -
287 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
288 -
289 -
290 -=== 2.8.1  Items needed for update ===
291 -
292 -
293 -1. LA66 LoRaWAN Shield
294 -1. Arduino
295 -1. USB TO TTL Adapter
296 -
297 -[[image:image-20220602100052-2.png||height="385" width="600"]]
298 -
299 -
300 -=== 2.8.2  Connection ===
301 -
302 -
303 -[[image:image-20220602101311-3.png||height="276" width="600"]]
304 -
305 -
306 -(((
307 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
308 -)))
309 -
310 -(((
311 -(% style="background-color:yellow" %)**GND  <-> GND
312 -TXD  <->  TXD
313 -RXD  <->  RXD**
314 -)))
315 -
316 -
317 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
318 -
319 -Connect USB TTL Adapter to PC after connecting the wires
320 -
321 -
322 -[[image:image-20220602102240-4.png||height="304" width="600"]]
323 -
324 -
325 -=== 2.8.3  Upgrade steps ===
326 -
327 -
328 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
329 -
330 -
331 -[[image:image-20220602102824-5.png||height="306" width="600"]]
332 -
333 -
334 -
335 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
336 -
337 -
338 -[[image:image-20220602104701-12.png||height="285" width="600"]]
339 -
340 -
341 -
342 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
343 -
344 -
345 -(((
346 -(% 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/]]**
347 -)))
348 -
349 -
350 -[[image:image-20220602103227-6.png]]
351 -
352 -
353 -[[image:image-20220602103357-7.png]]
354 -
355 -
356 -
357 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
358 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
359 -
360 -
361 -[[image:image-20220602103844-8.png]]
362 -
363 -
364 -
365 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
366 -(% style="color:blue" %)**3. Select the bin file to burn**
367 -
368 -
369 -[[image:image-20220602104144-9.png]]
370 -
371 -
372 -[[image:image-20220602104251-10.png]]
373 -
374 -
375 -[[image:image-20220602104402-11.png]]
376 -
377 -
378 -
379 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
380 -(% style="color:blue" %)**4. Click to start the download**
381 -
382 -[[image:image-20220602104923-13.png]]
383 -
384 -
385 -
386 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
387 -(% style="color:blue" %)**5. Check update process**
388 -
389 -
390 -[[image:image-20220602104948-14.png]]
391 -
392 -
393 -
394 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
395 -(% style="color:blue" %)**The following picture shows that the burning is successful**
396 -
397 -[[image:image-20220602105251-15.png]]
398 -
399 -
400 -
401 -= 3.  LA66 USB LoRaWAN Adapter =
402 -
403 -
404 -== 3.1  Overview ==
405 -
406 -
407 -[[image:image-20220715001142-3.png||height="145" width="220"]]
408 -
409 -
410 -(((
411 -(% 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.
412 -)))
413 -
414 -(((
415 -(% 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.
416 -)))
417 -
418 -(((
419 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
420 -)))
421 -
422 -(((
423 -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.
424 -)))
425 -
426 -(((
427 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
428 -)))
429 -
430 -
431 -
432 -== 3.2  Features ==
433 -
434 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
435 -* Ultra-long RF range
436 -* Support LoRaWAN v1.0.4 protocol
437 -* Support peer-to-peer protocol
438 -* TCXO crystal to ensure RF performance on low temperature
439 -* Spring RF antenna
440 -* Available in different frequency LoRaWAN frequency bands.
441 -* World-wide unique OTAA keys.
442 -* AT Command via UART-TTL interface
443 -* Firmware upgradable via UART interface
444 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
445 -
446 -
447 -
448 -== 3.3  Specification ==
449 -
450 -* CPU: 32-bit 48 MHz
451 -* Flash: 256KB
452 -* RAM: 64KB
453 -* Input Power Range: 5v
454 -* Frequency Range: 150 MHz ~~ 960 MHz
455 -* Maximum Power +22 dBm constant RF output
456 -* High sensitivity: -148 dBm
457 -* Temperature:
458 -** Storage: -55 ~~ +125℃
459 -** Operating: -40 ~~ +85℃
460 -* Humidity:
461 -** Storage: 5 ~~ 95% (Non-Condensing)
462 -** Operating: 10 ~~ 95% (Non-Condensing)
463 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
464 -* LoRa Rx current: <9 mA
465 -
466 -
467 -
468 -== 3.4  Pin Mapping & LED ==
469 -
470 -
471 -
472 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
473 -
474 -
475 -(((
476 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
477 -)))
478 -
479 -
480 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
481 -
482 -
483 -[[image:image-20220723100027-1.png]]
484 -
485 -
486 -Open the serial port tool
487 -
488 -[[image:image-20220602161617-8.png]]
489 -
490 -[[image:image-20220602161718-9.png||height="457" width="800"]]
491 -
492 -
493 -
494 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
495 -
496 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
497 -
498 -
499 -[[image:image-20220602161935-10.png||height="498" width="800"]]
500 -
501 -
502 -
503 -(% style="color:blue" %)**3. See Uplink Command**
504 -
505 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
506 -
507 -example: AT+SENDB=01,02,8,05820802581ea0a5
508 -
509 -[[image:image-20220602162157-11.png||height="497" width="800"]]
510 -
511 -
512 -
513 -(% style="color:blue" %)**4. Check to see if TTN received the message**
514 -
515 -[[image:image-20220602162331-12.png||height="420" width="800"]]
516 -
517 -
518 -
519 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
520 -
521 -
522 -**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]]
523 -
524 -(**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]])
525 -
526 -(% style="color:red" %)**Preconditions:**
527 -
528 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
529 -
530 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
531 -
532 -
533 -
534 -(% style="color:blue" %)**Steps for usage:**
535 -
536 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
537 -
538 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
539 -
540 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
541 -
542 -
543 -
544 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
545 -
546 -
547 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
548 -
549 -
550 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
551 -
552 -[[image:image-20220723100439-2.png]]
553 -
554 -
555 -
556 -(% style="color:blue" %)**2. Install Minicom in RPi.**
557 -
558 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
559 -
560 - (% style="background-color:yellow" %)**apt update**
561 -
562 - (% style="background-color:yellow" %)**apt install minicom**
563 -
564 -
565 -Use minicom to connect to the RPI's terminal
566 -
567 -[[image:image-20220602153146-3.png||height="439" width="500"]]
568 -
569 -
570 -
571 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
572 -
573 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
574 -
575 -
576 -[[image:image-20220602154928-5.png||height="436" width="500"]]
577 -
578 -
579 -
580 -(% style="color:blue" %)**4. Send Uplink message**
581 -
582 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
583 -
584 -example: AT+SENDB=01,02,8,05820802581ea0a5
585 -
586 -
587 -[[image:image-20220602160339-6.png||height="517" width="600"]]
588 -
589 -
590 -
591 -Check to see if TTN received the message
592 -
593 -[[image:image-20220602160627-7.png||height="369" width="800"]]
594 -
595 -
596 -
597 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
598 -
599 -
600 -=== 3.8.1 DRAGINO-LA66-APP ===
601 -
602 -
603 -[[image:image-20220723102027-3.png]]
604 -
605 -
606 -
607 -==== (% style="color:blue" %)**Overview：**(%%) ====
608 -
609 -
610 -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.
611 -
612 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
613 -
614 -
615 -
616 -==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
617 -
618 -
619 -Requires a type-c to USB adapter
620 -
621 -[[image:image-20220723104754-4.png]]
622 -
623 -
624 -
625 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
626 -
627 -
628 -Function and page introduction
629 -
630 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
631 -
632 -1.Display LA66 USB LoRaWAN Module connection status
633 -
634 -2.Check and reconnect
635 -
636 -3.Turn send timestamps on or off
637 -
638 -4.Display LoRaWan connection status
639 -
640 -5.Check LoRaWan connection status
641 -
642 -6.The RSSI value of the node when the ACK is received
643 -
644 -7.Node's Signal Strength Icon
645 -
646 -8.Set the packet sending interval of the node in seconds
647 -
648 -9.AT command input box
649 -
650 -10.Send AT command button
651 -
652 -11.Node log box
653 -
654 -12.clear log button
655 -
656 -13.exit button
657 -
658 -
659 -LA66 USB LoRaWAN Module not connected
660 -
661 -[[image:image-20220723110520-5.png||height="903" width="677"]]
662 -
663 -
664 -
665 -Connect LA66 USB LoRaWAN Module
666 -
667 -[[image:image-20220723110626-6.png||height="906" width="680"]]
668 -
669 -
670 -
671 -=== 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 ===
672 -
673 -
674 -**1.  Register LA66 USB LoRaWAN Module to TTNV3**
675 -
676 -[[image:image-20220723134549-8.png]]
677 -
678 -
679 -
680 -**2.  Open Node-RED,And import the JSON file to generate the flow**
681 -
682 -Sample JSON file please go to this link to download：放置JSON文件的链接
683 -
684 -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/]]
685 -
686 -The following is the positioning effect map
687 -
688 -[[image:image-20220723144339-1.png]]
689 -
690 -
691 -
692 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
693 -
694 -
695 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
696 -
697 -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)
698 -
699 -[[image:image-20220723150132-2.png]]
700 -
701 -
702 -
703 -= 4.  Order Info =
704 -
705 -
706 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
707 -
708 -
709 -(% style="color:blue" %)**XXX**(%%): The default frequency band
710 -
711 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
712 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
713 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
714 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
715 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
716 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
717 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
718 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
719 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
720 -
721 -
722 -= 5.  Reference =
723 -
724 -
725 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
144 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
CP210x_Universal_Windows_Driver.zip
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