Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 91.1 >
edited by Edwin Chen
on 2022/07/15 00:10
To version < 5.1 >
edited by Edwin Chen
on 2022/05/17 07:28
>
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Summary

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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 += What is LA66 LoRaWAN Module =
7 7  
7 +**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.
8 8  
9 -= 1.  LA66 LoRaWAN Module =
9 +**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.
10 10  
11 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
11 11  
12 -== 1.1  What is LA66 LoRaWAN Module ==
13 13  
14 14  
15 -(((
16 -[[image:image-20220715000242-1.png||height="110" width="132"]]
15 += Specification =
17 17  
18 -(% 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.
19 -)))
17 +[[image:image-20220517072526-1.png]]
20 20  
21 -(((
22 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 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.
23 -)))
19 +Input Power Range: 1.8v ~~ 3.7v
24 24  
25 -(((
26 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
27 -)))
21 +Power Consumption: < 4uA.
28 28  
29 -(((
30 -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.
31 -)))
23 +Frequency Range: 150 MHz ~~ 960 MHz
32 32  
33 -(((
34 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
35 -)))
25 +Maximum Power +22 dBm constant RF output
36 36  
27 +High sensitivity: -148 dBm
37 37  
38 -== 1.2  Features ==
29 +Temperature:
39 39  
40 -* Support LoRaWAN v1.0.4 protocol
41 -* Support peer-to-peer protocol
42 -* TCXO crystal to ensure RF performance on low temperature
43 -* SMD Antenna pad and i-pex antenna connector
44 -* Available in different frequency LoRaWAN frequency bands.
45 -* World-wide unique OTAA keys.
46 -* AT Command via UART-TTL interface
47 -* Firmware upgradable via UART interface
48 -* Ultra-long RF range
31 +* Storage: -55 ~~ +125℃
32 +* Operating: -40 ~~ +85℃
49 49  
50 -== 1.3  Specification ==
34 +Humidity:
51 51  
52 -* CPU: 32-bit 48 MHz
53 -* Flash: 256KB
54 -* RAM: 64KB
55 -* Input Power Range: 1.8v ~~ 3.7v
56 -* Power Consumption: < 4uA.
57 -* Frequency Range: 150 MHz ~~ 960 MHz
58 -* Maximum Power +22 dBm constant RF output
59 -* High sensitivity: -148 dBm
60 -* Temperature:
61 -** Storage: -55 ~~ +125℃
62 -** Operating: -40 ~~ +85℃
63 -* Humidity:
64 -** Storage: 5 ~~ 95% (Non-Condensing)
65 -** Operating: 10 ~~ 95% (Non-Condensing)
66 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
67 -* LoRa Rx current: <9 mA
68 -* I/O Voltage: 3.3v
36 +* Storage: 5 ~~ 95% (Non-Condensing)
37 +* Operating: 10 ~~ 95% (Non-Condensing)
69 69  
70 -== 1.4  AT Command ==
39 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
71 71  
72 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
41 +LoRa Rx current: <9 mA
73 73  
43 +I/O Voltage: 3.3v
74 74  
75 -== 1.5  Dimension ==
76 76  
77 -[[image:image-20220517072526-1.png]]
46 += AT Command =
78 78  
48 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
79 79  
80 80  
81 -== 1.6  Pin Mapping ==
51 += Pin Mapping =
82 82  
83 83  
84 -[[image:image-20220523101537-1.png]]
54 += Land Pattern =
85 85  
86 -
87 -
88 -== 1.7  Land Pattern ==
89 -
90 90  [[image:image-20220517072821-2.png]]
91 91  
92 92  
59 += Part Number =
93 93  
94 -= 2.  LA66 LoRaWAN Shield =
61 +Part Number: **LA66-XXX**
95 95  
63 +**XX**: The default frequency band
96 96  
97 -== 2.1  Overview ==
98 -
99 -
100 -[[image:image-20220715000826-2.png||height="386" width="449"]]
101 -
102 -
103 -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.
104 -
105 -(((
106 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 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.
107 -)))
108 -
109 -(((
110 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
111 -)))
112 -
113 -(((
114 -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.
115 -)))
116 -
117 -(((
118 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
119 -)))
120 -
121 -
122 -== 2.2  Features ==
123 -
124 -* Arduino Shield base on LA66 LoRaWAN module
125 -* Support LoRaWAN v1.0.4 protocol
126 -* Support peer-to-peer protocol
127 -* TCXO crystal to ensure RF performance on low temperature
128 -* SMA connector
129 -* Available in different frequency LoRaWAN frequency bands.
130 -* World-wide unique OTAA keys.
131 -* AT Command via UART-TTL interface
132 -* Firmware upgradable via UART interface
133 -* Ultra-long RF range
134 -
135 -== 2.3  Specification ==
136 -
137 -* CPU: 32-bit 48 MHz
138 -* Flash: 256KB
139 -* RAM: 64KB
140 -* Input Power Range: 1.8v ~~ 3.7v
141 -* Power Consumption: < 4uA.
142 -* Frequency Range: 150 MHz ~~ 960 MHz
143 -* Maximum Power +22 dBm constant RF output
144 -* High sensitivity: -148 dBm
145 -* Temperature:
146 -** Storage: -55 ~~ +125℃
147 -** Operating: -40 ~~ +85℃
148 -* Humidity:
149 -** Storage: 5 ~~ 95% (Non-Condensing)
150 -** Operating: 10 ~~ 95% (Non-Condensing)
151 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
152 -* LoRa Rx current: <9 mA
153 -* I/O Voltage: 3.3v
154 -
155 -== 2.4  Pin Mapping & LED ==
156 -
157 -
158 -
159 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
160 -
161 -
162 -
163 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
164 -
165 -
166 -
167 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
168 -
169 -
170 -
171 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
172 -
173 -
174 -=== 2.8.1  Items needed for update ===
175 -
176 -1. LA66 LoRaWAN Shield
177 -1. Arduino
178 -1. USB TO TTL Adapter
179 -
180 -
181 -[[image:image-20220602100052-2.png||height="385" width="600"]]
182 -
183 -
184 -=== 2.8.2  Connection ===
185 -
186 -
187 -[[image:image-20220602101311-3.png||height="276" width="600"]]
188 -
189 -
190 -(((
191 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
192 -)))
193 -
194 -(((
195 -(% style="background-color:yellow" %)**GND  <-> GND
196 -TXD  <->  TXD
197 -RXD  <->  RXD**
198 -)))
199 -
200 -
201 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
202 -
203 -Connect USB TTL Adapter to PC after connecting the wires
204 -
205 -
206 -[[image:image-20220602102240-4.png||height="304" width="600"]]
207 -
208 -
209 -=== 2.8.3  Upgrade steps ===
210 -
211 -
212 -==== 1.  Switch SW1 to put in ISP position ====
213 -
214 -
215 -[[image:image-20220602102824-5.png||height="306" width="600"]]
216 -
217 -
218 -
219 -==== 2.  Press the RST switch once ====
220 -
221 -
222 -[[image:image-20220602104701-12.png||height="285" width="600"]]
223 -
224 -
225 -
226 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
227 -
228 -
229 -(((
230 -(% 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/]]**
231 -)))
232 -
233 -
234 -[[image:image-20220602103227-6.png]]
235 -
236 -
237 -[[image:image-20220602103357-7.png]]
238 -
239 -
240 -
241 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
242 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
243 -
244 -
245 -[[image:image-20220602103844-8.png]]
246 -
247 -
248 -
249 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
250 -(% style="color:blue" %)**3. Select the bin file to burn**
251 -
252 -
253 -[[image:image-20220602104144-9.png]]
254 -
255 -
256 -[[image:image-20220602104251-10.png]]
257 -
258 -
259 -[[image:image-20220602104402-11.png]]
260 -
261 -
262 -
263 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
264 -(% style="color:blue" %)**4. Click to start the download**
265 -
266 -[[image:image-20220602104923-13.png]]
267 -
268 -
269 -
270 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
271 -(% style="color:blue" %)**5. Check update process**
272 -
273 -
274 -[[image:image-20220602104948-14.png]]
275 -
276 -
277 -
278 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
279 -(% style="color:blue" %)**The following picture shows that the burning is successful**
280 -
281 -[[image:image-20220602105251-15.png]]
282 -
283 -
284 -
285 -= 3.  LA66 USB LoRaWAN Adapter =
286 -
287 -
288 -== 3.1  Overview ==
289 -
290 -(% 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.
291 -
292 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 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.
293 -
294 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
295 -
296 -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.
297 -
298 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
299 -
300 -
301 -== 3.2  Features ==
302 -
303 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
304 -* Ultra-long RF range
305 -* Support LoRaWAN v1.0.4 protocol
306 -* Support peer-to-peer protocol
307 -* TCXO crystal to ensure RF performance on low temperature
308 -* Spring RF antenna
309 -* Available in different frequency LoRaWAN frequency bands.
310 -* World-wide unique OTAA keys.
311 -* AT Command via UART-TTL interface
312 -* Firmware upgradable via UART interface
313 -
314 -== 3.3  Specification ==
315 -
316 -* CPU: 32-bit 48 MHz
317 -* Flash: 256KB
318 -* RAM: 64KB
319 -* Input Power Range: 5v
320 -* Frequency Range: 150 MHz ~~ 960 MHz
321 -* Maximum Power +22 dBm constant RF output
322 -* High sensitivity: -148 dBm
323 -* Temperature:
324 -** Storage: -55 ~~ +125℃
325 -** Operating: -40 ~~ +85℃
326 -* Humidity:
327 -** Storage: 5 ~~ 95% (Non-Condensing)
328 -** Operating: 10 ~~ 95% (Non-Condensing)
329 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
330 -* LoRa Rx current: <9 mA
331 -
332 -== 3.4  Pin Mapping & LED ==
333 -
334 -
335 -
336 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
337 -
338 -
339 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
340 -
341 -
342 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
343 -
344 -
345 -[[image:image-20220602171217-1.png||height="538" width="800"]]
346 -
347 -
348 -Open the serial port tool
349 -
350 -[[image:image-20220602161617-8.png]]
351 -
352 -[[image:image-20220602161718-9.png||height="457" width="800"]]
353 -
354 -
355 -
356 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
357 -
358 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
359 -
360 -
361 -[[image:image-20220602161935-10.png||height="498" width="800"]]
362 -
363 -
364 -
365 -(% style="color:blue" %)**3. See Uplink Command**
366 -
367 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
368 -
369 -example: AT+SENDB=01,02,8,05820802581ea0a5
370 -
371 -[[image:image-20220602162157-11.png||height="497" width="800"]]
372 -
373 -
374 -
375 -(% style="color:blue" %)**4. Check to see if TTN received the message**
376 -
377 -[[image:image-20220602162331-12.png||height="420" width="800"]]
378 -
379 -
380 -
381 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
382 -
383 -
384 -**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]]
385 -
386 -
387 -(% style="color:red" %)**Preconditions:**
388 -
389 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
390 -
391 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
392 -
393 -
394 -
395 -(% style="color:blue" %)**Steps for usage:**
396 -
397 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
398 -
399 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
400 -
401 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
402 -
403 -
404 -
405 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
406 -
407 -
408 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
409 -
410 -
411 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
412 -
413 -[[image:image-20220602171233-2.png||height="538" width="800"]]
414 -
415 -
416 -
417 -(% style="color:blue" %)**2. Install Minicom in RPi.**
418 -
419 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
420 -
421 - (% style="background-color:yellow" %)**apt update**
422 -
423 - (% style="background-color:yellow" %)**apt install minicom**
424 -
425 -
426 -Use minicom to connect to the RPI's terminal
427 -
428 -[[image:image-20220602153146-3.png||height="439" width="500"]]
429 -
430 -
431 -
432 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
433 -
434 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
435 -
436 -
437 -[[image:image-20220602154928-5.png||height="436" width="500"]]
438 -
439 -
440 -
441 -(% style="color:blue" %)**4. Send Uplink message**
442 -
443 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
444 -
445 -example: AT+SENDB=01,02,8,05820802581ea0a5
446 -
447 -
448 -[[image:image-20220602160339-6.png||height="517" width="600"]]
449 -
450 -
451 -
452 -Check to see if TTN received the message
453 -
454 -[[image:image-20220602160627-7.png||height="369" width="800"]]
455 -
456 -
457 -
458 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
459 -
460 -
461 -
462 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
463 -
464 -
465 -
466 -
467 -= 4.  Order Info =
468 -
469 -
470 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
471 -
472 -
473 -(% style="color:blue" %)**XXX**(%%): The default frequency band
474 -
475 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
476 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
477 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
478 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
479 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
480 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
481 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
482 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
483 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
484 -
485 -= 5.  Reference =
486 -
487 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
488 -
489 -
65 +* **AS923**: LoRaWAN AS923 band
66 +* **AU915**: LoRaWAN AU915 band
67 +* **EU433**: LoRaWAN EU433 band
68 +* **EU868**: LoRaWAN EU868 band
69 +* **KR920**: LoRaWAN KR920 band
70 +* **US915**: LoRaWAN US915 band
71 +* **IN865**: LoRaWAN IN865 band
72 +* **CN470**: LoRaWAN CN470 band
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