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Last modified by Xiaoling on 2023/09/19 09:20
From version 146.3
edited by Xiaoling
on 2022/08/16 13:49
Change comment: There is no comment for this version
To version 89.1
edited by Edwin Chen
on 2022/07/15 00:08
Change comment: Uploaded new attachment "image-20220715000826-2.png", version {1}

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Title
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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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13 13  
14 14  
15 15  (((
16 -(((
17 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 -)))
16 +[[image:image-20220715000242-1.png||height="110" width="132"]]
19 19  
20 -(((
21 -
22 -)))
23 -
24 -(((
25 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 26  )))
27 -)))
28 28  
29 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.
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.
32 32  )))
33 -)))
34 34  
35 35  (((
36 -(((
37 37  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 38  )))
39 39  
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40 40  (((
41 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 42  )))
43 -)))
44 44  
45 45  (((
46 -(((
47 47  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 48  )))
49 -)))
50 50  
51 51  
52 -
53 53  == 1.2  Features ==
54 54  
55 -
56 56  * Support LoRaWAN v1.0.4 protocol
57 57  * Support peer-to-peer protocol
58 58  * TCXO crystal to ensure RF performance on low temperature
... ... @@ -64,11 +64,75 @@
64 64  * Ultra-long RF range
65 65  
66 66  
51 +== 1.3  Specification ==
67 67  
53 +* CPU: 32-bit 48 MHz
54 +* Flash: 256KB
55 +* RAM: 64KB
56 +* Input Power Range: 1.8v ~~ 3.7v
57 +* Power Consumption: < 4uA.
58 +* Frequency Range: 150 MHz ~~ 960 MHz
59 +* Maximum Power +22 dBm constant RF output
60 +* High sensitivity: -148 dBm
61 +* Temperature:
62 +** Storage: -55 ~~ +125℃
63 +** Operating: -40 ~~ +85℃
64 +* Humidity:
65 +** Storage: 5 ~~ 95% (Non-Condensing)
66 +** Operating: 10 ~~ 95% (Non-Condensing)
67 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
68 +* LoRa Rx current: <9 mA
69 +* I/O Voltage: 3.3v
68 68  
69 -== 1.3  Specification ==
70 70  
72 +== 1.4  AT Command ==
71 71  
74 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
75 +
76 +
77 +== 1.5  Dimension ==
78 +
79 +[[image:image-20220517072526-1.png]]
80 +
81 +
82 +
83 +== 1.6  Pin Mapping ==
84 +
85 +
86 +[[image:image-20220523101537-1.png]]
87 +
88 +
89 +
90 +== 1.7  Land Pattern ==
91 +
92 +[[image:image-20220517072821-2.png]]
93 +
94 +
95 +
96 += 2.  LA66 LoRaWAN Shield =
97 +
98 +
99 +== 2.1  Overview ==
100 +
101 +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.
102 +
103 +
104 +== 2.2  Features ==
105 +
106 +* Arduino Shield base on LA66 LoRaWAN module
107 +* Support LoRaWAN v1.0.4 protocol
108 +* Support peer-to-peer protocol
109 +* TCXO crystal to ensure RF performance on low temperature
110 +* SMA connector
111 +* Available in different frequency LoRaWAN frequency bands.
112 +* World-wide unique OTAA keys.
113 +* AT Command via UART-TTL interface
114 +* Firmware upgradable via UART interface
115 +* Ultra-long RF range
116 +
117 +
118 +== 2.3  Specification ==
119 +
72 72  * CPU: 32-bit 48 MHz
73 73  * Flash: 256KB
74 74  * RAM: 64KB
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88 88  * I/O Voltage: 3.3v
89 89  
90 90  
139 +== 2.4  Pin Mapping & LED ==
91 91  
92 92  
93 -== 1.4  AT Command ==
94 94  
143 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
95 95  
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.
97 97  
98 98  
147 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
99 99  
100 -== 1.5  Dimension ==
101 101  
102 102  
103 -[[image:image-20220718094750-3.png]]
151 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
104 104  
105 105  
106 106  
107 -== 1.6  Pin Mapping ==
155 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
108 108  
109 -[[image:image-20220720111850-1.png]]
110 110  
158 +=== 2.8.1  Items needed for update ===
111 111  
160 +1. LA66 LoRaWAN Shield
161 +1. Arduino
162 +1. USB TO TTL Adapter
112 112  
113 -== 1.7  Land Pattern ==
114 114  
115 115  
116 -[[image:image-20220517072821-2.png]]
166 +[[image:image-20220602100052-2.png||height="385" width="600"]]
117 117  
118 118  
169 +=== 2.8.2  Connection ===
119 119  
120 -= 2.  FAQ =
121 121  
172 +[[image:image-20220602101311-3.png||height="276" width="600"]]
122 122  
123 -== 2.1  How to Compile Source Code for LA66? ==
124 124  
175 +(((
176 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
177 +)))
125 125  
126 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
179 +(((
180 +(% style="background-color:yellow" %)**GND  <-> GND
181 +TXD  <->  TXD
182 +RXD  <->  RXD**
183 +)))
127 127  
128 128  
186 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
129 129  
130 -= 3.  Order Info =
188 +Connect USB TTL Adapter to PC after connecting the wires
131 131  
132 132  
133 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
191 +[[image:image-20220602102240-4.png||height="304" width="600"]]
134 134  
135 135  
194 +=== 2.8.3  Upgrade steps ===
195 +
196 +
197 +==== 1.  Switch SW1 to put in ISP position ====
198 +
199 +
200 +[[image:image-20220602102824-5.png||height="306" width="600"]]
201 +
202 +
203 +
204 +==== 2.  Press the RST switch once ====
205 +
206 +
207 +[[image:image-20220602104701-12.png||height="285" width="600"]]
208 +
209 +
210 +
211 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
212 +
213 +
214 +(((
215 +(% 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/]]**
216 +)))
217 +
218 +
219 +[[image:image-20220602103227-6.png]]
220 +
221 +
222 +[[image:image-20220602103357-7.png]]
223 +
224 +
225 +
226 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
227 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
228 +
229 +
230 +[[image:image-20220602103844-8.png]]
231 +
232 +
233 +
234 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
235 +(% style="color:blue" %)**3. Select the bin file to burn**
236 +
237 +
238 +[[image:image-20220602104144-9.png]]
239 +
240 +
241 +[[image:image-20220602104251-10.png]]
242 +
243 +
244 +[[image:image-20220602104402-11.png]]
245 +
246 +
247 +
248 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
249 +(% style="color:blue" %)**4. Click to start the download**
250 +
251 +[[image:image-20220602104923-13.png]]
252 +
253 +
254 +
255 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
256 +(% style="color:blue" %)**5. Check update process**
257 +
258 +
259 +[[image:image-20220602104948-14.png]]
260 +
261 +
262 +
263 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
264 +(% style="color:blue" %)**The following picture shows that the burning is successful**
265 +
266 +[[image:image-20220602105251-15.png]]
267 +
268 +
269 +
270 += 3.  LA66 USB LoRaWAN Adapter =
271 +
272 +
273 +== 3.1  Overview ==
274 +
275 +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.
276 +
277 +
278 +== 3.2  Features ==
279 +
280 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
281 +* Ultra-long RF range
282 +* Support LoRaWAN v1.0.4 protocol
283 +* Support peer-to-peer protocol
284 +* TCXO crystal to ensure RF performance on low temperature
285 +* Spring RF antenna
286 +* Available in different frequency LoRaWAN frequency bands.
287 +* World-wide unique OTAA keys.
288 +* AT Command via UART-TTL interface
289 +* Firmware upgradable via UART interface
290 +
291 +
292 +== 3.3  Specification ==
293 +
294 +* CPU: 32-bit 48 MHz
295 +* Flash: 256KB
296 +* RAM: 64KB
297 +* Input Power Range: 5v
298 +* Frequency Range: 150 MHz ~~ 960 MHz
299 +* Maximum Power +22 dBm constant RF output
300 +* High sensitivity: -148 dBm
301 +* Temperature:
302 +** Storage: -55 ~~ +125℃
303 +** Operating: -40 ~~ +85℃
304 +* Humidity:
305 +** Storage: 5 ~~ 95% (Non-Condensing)
306 +** Operating: 10 ~~ 95% (Non-Condensing)
307 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
308 +* LoRa Rx current: <9 mA
309 +
310 +
311 +== 3.4  Pin Mapping & LED ==
312 +
313 +
314 +
315 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
316 +
317 +
318 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
319 +
320 +
321 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
322 +
323 +
324 +[[image:image-20220602171217-1.png||height="538" width="800"]]
325 +
326 +
327 +Open the serial port tool
328 +
329 +[[image:image-20220602161617-8.png]]
330 +
331 +[[image:image-20220602161718-9.png||height="457" width="800"]]
332 +
333 +
334 +
335 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
336 +
337 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
338 +
339 +
340 +[[image:image-20220602161935-10.png||height="498" width="800"]]
341 +
342 +
343 +
344 +(% style="color:blue" %)**3. See Uplink Command**
345 +
346 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
347 +
348 +example: AT+SENDB=01,02,8,05820802581ea0a5
349 +
350 +[[image:image-20220602162157-11.png||height="497" width="800"]]
351 +
352 +
353 +
354 +(% style="color:blue" %)**4. Check to see if TTN received the message**
355 +
356 +[[image:image-20220602162331-12.png||height="420" width="800"]]
357 +
358 +
359 +
360 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
361 +
362 +
363 +**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]]
364 +
365 +
366 +(% style="color:red" %)**Preconditions:**
367 +
368 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
369 +
370 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
371 +
372 +
373 +
374 +(% style="color:blue" %)**Steps for usage:**
375 +
376 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
377 +
378 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
379 +
380 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
381 +
382 +
383 +
384 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
385 +
386 +
387 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
388 +
389 +
390 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
391 +
392 +[[image:image-20220602171233-2.png||height="538" width="800"]]
393 +
394 +
395 +
396 +(% style="color:blue" %)**2. Install Minicom in RPi.**
397 +
398 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
399 +
400 + (% style="background-color:yellow" %)**apt update**
401 +
402 + (% style="background-color:yellow" %)**apt install minicom**
403 +
404 +
405 +Use minicom to connect to the RPI's terminal
406 +
407 +[[image:image-20220602153146-3.png||height="439" width="500"]]
408 +
409 +
410 +
411 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
412 +
413 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
414 +
415 +
416 +[[image:image-20220602154928-5.png||height="436" width="500"]]
417 +
418 +
419 +
420 +(% style="color:blue" %)**4. Send Uplink message**
421 +
422 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
423 +
424 +example: AT+SENDB=01,02,8,05820802581ea0a5
425 +
426 +
427 +[[image:image-20220602160339-6.png||height="517" width="600"]]
428 +
429 +
430 +
431 +Check to see if TTN received the message
432 +
433 +[[image:image-20220602160627-7.png||height="369" width="800"]]
434 +
435 +
436 +
437 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
438 +
439 +
440 +
441 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
442 +
443 +
444 +
445 +
446 += 4.  Order Info =
447 +
448 +
449 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
450 +
451 +
136 136  (% style="color:blue" %)**XXX**(%%): The default frequency band
137 137  
138 138  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
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146 146  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
147 147  
148 148  
465 += 5.  Reference =
149 149  
150 -
467 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
468 +
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