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Last modified by Xiaoling on 2023/09/19 09:20
From version 147.1
edited by Edwin Chen
on 2022/09/09 15:38
Change comment: There is no comment for this version
To version 87.11
edited by Xiaoling
on 2022/07/13 10:04
Change comment: There is no comment for this version

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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.Edwin
1 +XWiki.Xiaoling
Content
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1 1  
2 2  
3 -**Table of Contents:**
4 -
5 5  {{toc/}}
6 6  
7 7  
... ... @@ -12,48 +12,20 @@
12 12  == 1.1  What is LA66 LoRaWAN Module ==
13 13  
14 14  
15 -(((
16 -(((
17 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 -)))
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 -)))
27 -)))
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 -)))
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.
34 34  
35 -(((
36 -(((
37 37  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 -)))
39 39  
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 -)))
43 -)))
44 44  
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 -)))
49 -)))
50 50  
51 51  
52 -
53 53  == 1.2  Features ==
54 54  
55 -
56 -* Support LoRaWAN v1.0.3 protocol
26 +* Support LoRaWAN v1.0.4 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
... ... @@ -64,10 +64,8 @@
64 64  * Ultra-long RF range
65 65  
66 66  
67 -
68 68  == 1.3  Specification ==
69 69  
70 -
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -87,54 +87,378 @@
87 87  * I/O Voltage: 3.3v
88 88  
89 89  
90 -
91 91  == 1.4  AT Command ==
92 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  
97 -
98 98  == 1.5  Dimension ==
99 99  
65 +[[image:image-20220517072526-1.png]]
100 100  
101 -[[image:image-20220718094750-3.png]]
102 102  
103 103  
104 -
105 105  == 1.6  Pin Mapping ==
106 106  
107 -[[image:image-20220720111850-1.png]]
108 108  
72 +[[image:image-20220523101537-1.png]]
109 109  
110 110  
75 +
111 111  == 1.7  Land Pattern ==
112 112  
113 -
114 114  [[image:image-20220517072821-2.png]]
115 115  
116 116  
117 117  
118 -= 2.  FAQ =
82 += 2.  LA66 LoRaWAN Shield =
119 119  
120 120  
121 -== 2.1  How to Compile Source Code for LA66? ==
85 +== 2.1  Overview ==
122 122  
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.
123 123  
124 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
125 125  
90 +== 2.2  Features ==
126 126  
127 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
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
128 128  
129 -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.
130 130  
104 +== 2.3  Specification ==
131 131  
132 -= 3.  Order Info =
106 +* CPU: 32-bit 48 MHz
107 +* Flash: 256KB
108 +* RAM: 64KB
109 +* Input Power Range: 1.8v ~~ 3.7v
110 +* Power Consumption: < 4uA.
111 +* Frequency Range: 150 MHz ~~ 960 MHz
112 +* Maximum Power +22 dBm constant RF output
113 +* High sensitivity: -148 dBm
114 +* Temperature:
115 +** Storage: -55 ~~ +125℃
116 +** Operating: -40 ~~ +85℃
117 +* Humidity:
118 +** Storage: 5 ~~ 95% (Non-Condensing)
119 +** Operating: 10 ~~ 95% (Non-Condensing)
120 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
121 +* LoRa Rx current: <9 mA
122 +* I/O Voltage: 3.3v
133 133  
134 134  
135 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
125 +== 2.4  Pin Mapping & LED ==
136 136  
137 137  
128 +
129 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
130 +
131 +
132 +
133 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
134 +
135 +
136 +
137 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
138 +
139 +
140 +
141 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
142 +
143 +
144 +=== 2.8.1  Items needed for update ===
145 +
146 +1. LA66 LoRaWAN Shield
147 +1. Arduino
148 +1. USB TO TTL Adapter
149 +
150 +[[image:image-20220602100052-2.png||height="385" width="600"]]
151 +
152 +
153 +=== 2.8.2  Connection ===
154 +
155 +
156 +[[image:image-20220602101311-3.png||height="276" width="600"]]
157 +
158 +
159 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
160 +
161 +(% style="background-color:yellow" %)**GND  <-> GND
162 +TXD  <->  TXD
163 +RXD  <->  RXD**
164 +
165 +
166 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
167 +
168 +Connect USB TTL Adapter to PC after connecting the wires
169 +
170 +
171 +[[image:image-20220602102240-4.png||height="304" width="600"]]
172 +
173 +
174 +=== 2.8.3  Upgrade steps ===
175 +
176 +
177 +==== 1.  Switch SW1 to put in ISP position ====
178 +
179 +
180 +[[image:image-20220602102824-5.png||height="306" width="600"]]
181 +
182 +
183 +
184 +==== 2.  Press the RST switch once ====
185 +
186 +
187 +[[image:image-20220602104701-12.png||height="285" width="600"]]
188 +
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 +
138 138  (% style="color:blue" %)**XXX**(%%): The default frequency band
139 139  
140 140  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -147,4 +147,10 @@
147 147  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
148 148  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
149 149  
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 +
150 150  
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