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Last modified by Xiaoling on 2023/09/19 09:20
From version 87.11
edited by Xiaoling
on 2022/07/13 10:04
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To version 148.5
edited by Xiaoling
on 2022/09/26 14:40
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
Content
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1 1  
2 2  
3 +**Table of Contents:**
4 +
3 3  {{toc/}}
4 4  
5 5  
... ... @@ -10,20 +10,48 @@
10 10  == 1.1  What is LA66 LoRaWAN Module ==
11 11  
12 12  
15 +(((
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 +)))
19 +
20 +(((
21 +
22 +)))
23 +
24 +(((
13 13  (% 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 +)))
14 14  
15 -(% 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.
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 +)))
16 16  
35 +(((
36 +(((
17 17  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 +)))
18 18  
40 +(((
19 19  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 +)))
20 20  
45 +(((
46 +(((
21 21  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 +)))
49 +)))
22 22  
23 23  
52 +
24 24  == 1.2  Features ==
25 25  
26 -* Support LoRaWAN v1.0.4 protocol
55 +
56 +* Support LoRaWAN v1.0.3 protocol
27 27  * Support peer-to-peer protocol
28 28  * TCXO crystal to ensure RF performance on low temperature
29 29  * SMD Antenna pad and i-pex antenna connector
... ... @@ -34,75 +34,10 @@
34 34  * Ultra-long RF range
35 35  
36 36  
67 +
37 37  == 1.3  Specification ==
38 38  
39 -* CPU: 32-bit 48 MHz
40 -* Flash: 256KB
41 -* RAM: 64KB
42 -* Input Power Range: 1.8v ~~ 3.7v
43 -* Power Consumption: < 4uA.
44 -* Frequency Range: 150 MHz ~~ 960 MHz
45 -* Maximum Power +22 dBm constant RF output
46 -* High sensitivity: -148 dBm
47 -* Temperature:
48 -** Storage: -55 ~~ +125℃
49 -** Operating: -40 ~~ +85℃
50 -* Humidity:
51 -** Storage: 5 ~~ 95% (Non-Condensing)
52 -** Operating: 10 ~~ 95% (Non-Condensing)
53 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
54 -* LoRa Rx current: <9 mA
55 -* I/O Voltage: 3.3v
56 56  
57 -
58 -== 1.4  AT Command ==
59 -
60 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
61 -
62 -
63 -== 1.5  Dimension ==
64 -
65 -[[image:image-20220517072526-1.png]]
66 -
67 -
68 -
69 -== 1.6  Pin Mapping ==
70 -
71 -
72 -[[image:image-20220523101537-1.png]]
73 -
74 -
75 -
76 -== 1.7  Land Pattern ==
77 -
78 -[[image:image-20220517072821-2.png]]
79 -
80 -
81 -
82 -= 2.  LA66 LoRaWAN Shield =
83 -
84 -
85 -== 2.1  Overview ==
86 -
87 -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.
88 -
89 -
90 -== 2.2  Features ==
91 -
92 -* Arduino Shield base on LA66 LoRaWAN module
93 -* Support LoRaWAN v1.0.4 protocol
94 -* Support peer-to-peer protocol
95 -* TCXO crystal to ensure RF performance on low temperature
96 -* SMA connector
97 -* Available in different frequency LoRaWAN frequency bands.
98 -* World-wide unique OTAA keys.
99 -* AT Command via UART-TTL interface
100 -* Firmware upgradable via UART interface
101 -* Ultra-long RF range
102 -
103 -
104 -== 2.3  Specification ==
105 -
106 106  * CPU: 32-bit 48 MHz
107 107  * Flash: 256KB
108 108  * RAM: 64KB
... ... @@ -122,311 +122,64 @@
122 122  * I/O Voltage: 3.3v
123 123  
124 124  
125 -== 2.4  Pin Mapping & LED ==
126 126  
91 +== 1.4  AT Command ==
127 127  
128 128  
129 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
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>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
130 130  
131 131  
132 132  
133 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
98 +== 1.5  Dimension ==
134 134  
135 135  
101 +[[image:image-20220718094750-3.png]]
136 136  
137 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
138 138  
139 139  
105 +== 1.6  Pin Mapping ==
140 140  
141 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
107 +[[image:image-20220720111850-1.png]]
142 142  
143 143  
144 -=== 2.8.1  Items needed for update ===
145 145  
146 -1. LA66 LoRaWAN Shield
147 -1. Arduino
148 -1. USB TO TTL Adapter
111 +== 1.7  Land Pattern ==
149 149  
150 -[[image:image-20220602100052-2.png||height="385" width="600"]]
151 151  
114 +[[image:image-20220517072821-2.png]]
152 152  
153 -=== 2.8.2  Connection ===
154 154  
155 155  
156 -[[image:image-20220602101311-3.png||height="276" width="600"]]
118 += 2.  FAQ =
157 157  
158 158  
159 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
121 +== 2.1  How to Compile Source Code for LA66? ==
160 160  
161 -(% style="background-color:yellow" %)**GND  <-> GND
162 -TXD  <->  TXD
163 -RXD  <->  RXD**
164 164  
124 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
165 165  
166 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
167 167  
168 -Connect USB TTL Adapter to PC after connecting the wires
169 169  
128 +== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
170 170  
171 -[[image:image-20220602102240-4.png||height="304" width="600"]]
172 172  
131 +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.
173 173  
174 -=== 2.8.3  Upgrade steps ===
175 175  
176 176  
177 -==== 1.  Switch SW1 to put in ISP position ====
135 +== 2.3  Where to find Peer-to-Peer firmware of LA66? ==
178 178  
179 179  
180 -[[image:image-20220602102824-5.png||height="306" width="600"]]
138 +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]]
181 181  
182 182  
183 183  
184 -==== 2.  Press the RST switch once ====
142 += 3.  Order Info =
185 185  
186 186  
187 -[[image:image-20220602104701-12.png||height="285" width="600"]]
145 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
188 188  
189 189  
190 -
191 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
192 -
193 -
194 -(% 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/]]**
195 -
196 -
197 -[[image:image-20220602103227-6.png]]
198 -
199 -
200 -[[image:image-20220602103357-7.png]]
201 -
202 -
203 -
204 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
205 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
206 -
207 -
208 -[[image:image-20220602103844-8.png]]
209 -
210 -
211 -
212 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
213 -(% style="color:blue" %)**3. Select the bin file to burn**
214 -
215 -
216 -[[image:image-20220602104144-9.png]]
217 -
218 -
219 -[[image:image-20220602104251-10.png]]
220 -
221 -
222 -[[image:image-20220602104402-11.png]]
223 -
224 -
225 -
226 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
227 -(% style="color:blue" %)**4. Click to start the download**
228 -
229 -[[image:image-20220602104923-13.png]]
230 -
231 -
232 -
233 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
234 -(% style="color:blue" %)**5. Check update process**
235 -
236 -
237 -[[image:image-20220602104948-14.png]]
238 -
239 -
240 -
241 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
242 -(% style="color:blue" %)**The following picture shows that the burning is successful**
243 -
244 -[[image:image-20220602105251-15.png]]
245 -
246 -
247 -
248 -= 3.  LA66 USB LoRaWAN Adapter =
249 -
250 -
251 -== 3.1  Overview ==
252 -
253 -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.
254 -
255 -
256 -== 3.2  Features ==
257 -
258 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
259 -* Ultra-long RF range
260 -* Support LoRaWAN v1.0.4 protocol
261 -* Support peer-to-peer protocol
262 -* TCXO crystal to ensure RF performance on low temperature
263 -* Spring RF antenna
264 -* Available in different frequency LoRaWAN frequency bands.
265 -* World-wide unique OTAA keys.
266 -* AT Command via UART-TTL interface
267 -* Firmware upgradable via UART interface
268 -
269 -
270 -== 3.3  Specification ==
271 -
272 -* CPU: 32-bit 48 MHz
273 -* Flash: 256KB
274 -* RAM: 64KB
275 -* Input Power Range: 5v
276 -* Frequency Range: 150 MHz ~~ 960 MHz
277 -* Maximum Power +22 dBm constant RF output
278 -* High sensitivity: -148 dBm
279 -* Temperature:
280 -** Storage: -55 ~~ +125℃
281 -** Operating: -40 ~~ +85℃
282 -* Humidity:
283 -** Storage: 5 ~~ 95% (Non-Condensing)
284 -** Operating: 10 ~~ 95% (Non-Condensing)
285 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
286 -* LoRa Rx current: <9 mA
287 -
288 -
289 -== 3.4  Pin Mapping & LED ==
290 -
291 -
292 -
293 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
294 -
295 -
296 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
297 -
298 -
299 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
300 -
301 -
302 -[[image:image-20220602171217-1.png||height="538" width="800"]]
303 -
304 -
305 -Open the serial port tool
306 -
307 -[[image:image-20220602161617-8.png]]
308 -
309 -[[image:image-20220602161718-9.png||height="457" width="800"]]
310 -
311 -
312 -
313 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
314 -
315 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
316 -
317 -
318 -[[image:image-20220602161935-10.png||height="498" width="800"]]
319 -
320 -
321 -
322 -(% style="color:blue" %)**3. See Uplink Command**
323 -
324 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
325 -
326 -example: AT+SENDB=01,02,8,05820802581ea0a5
327 -
328 -[[image:image-20220602162157-11.png||height="497" width="800"]]
329 -
330 -
331 -
332 -(% style="color:blue" %)**4. Check to see if TTN received the message**
333 -
334 -[[image:image-20220602162331-12.png||height="420" width="800"]]
335 -
336 -
337 -
338 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
339 -
340 -
341 -**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]]
342 -
343 -
344 -(% style="color:red" %)**Preconditions:**
345 -
346 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
347 -
348 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
349 -
350 -
351 -
352 -(% style="color:blue" %)**Steps for usage:**
353 -
354 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
355 -
356 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
357 -
358 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
359 -
360 -
361 -
362 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
363 -
364 -
365 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
366 -
367 -
368 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
369 -
370 -[[image:image-20220602171233-2.png||height="538" width="800"]]
371 -
372 -
373 -
374 -(% style="color:blue" %)**2. Install Minicom in RPi.**
375 -
376 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
377 -
378 - (% style="background-color:yellow" %)**apt update**
379 -
380 - (% style="background-color:yellow" %)**apt install minicom**
381 -
382 -
383 -Use minicom to connect to the RPI's terminal
384 -
385 -[[image:image-20220602153146-3.png||height="439" width="500"]]
386 -
387 -
388 -
389 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
390 -
391 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
392 -
393 -
394 -[[image:image-20220602154928-5.png||height="436" width="500"]]
395 -
396 -
397 -
398 -(% style="color:blue" %)**4. Send Uplink message**
399 -
400 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
401 -
402 -example: AT+SENDB=01,02,8,05820802581ea0a5
403 -
404 -
405 -[[image:image-20220602160339-6.png||height="517" width="600"]]
406 -
407 -
408 -
409 -Check to see if TTN received the message
410 -
411 -[[image:image-20220602160627-7.png||height="369" width="800"]]
412 -
413 -
414 -
415 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
416 -
417 -
418 -
419 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
420 -
421 -
422 -
423 -
424 -= 4.  Order Info =
425 -
426 -
427 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
428 -
429 -
430 430  (% style="color:blue" %)**XXX**(%%): The default frequency band
431 431  
432 432  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -440,9 +440,4 @@
440 440  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
441 441  
442 442  
443 -
444 -= 5.  Reference =
445 -
446 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
447 -
448 448  
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