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Last modified by Xiaoling on 2023/05/26 14:19
From version 163.2
edited by Xiaoling
on 2022/09/12 08:46
Change comment: There is no comment for this version
To version 68.1
edited by Edwin Chen
on 2022/07/02 23:42
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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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 +(% 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.
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 +(% 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.
11 11  
12 -
13 -== 1.1  Overview ==
14 -
15 -
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
19 -
20 -(((
21 -
22 -)))
23 -
24 -(((
25 -(% 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.
26 -)))
27 -
28 -(((
29 -(((
30 -(% 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.
31 -)))
32 -)))
33 -
34 -(((
35 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
39 39  
40 -(((
41 -(((
42 42  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.
43 -)))
44 -)))
45 45  
46 -(((
47 -(((
48 48  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
51 51  
52 52  
20 +== Features ==
53 53  
54 -== 1.2  Features ==
55 -
56 -
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
22 +* Support LoRaWAN v1.0.4 protocol
59 59  * Support peer-to-peer protocol
60 60  * TCXO crystal to ensure RF performance on low temperature
61 -* SMA connector
25 +* SMD Antenna pad and i-pex antenna connector
62 62  * Available in different frequency LoRaWAN frequency bands.
63 63  * World-wide unique OTAA keys.
64 -* AT Command via UART-TTL interface
65 -* Firmware upgradable via UART interface
66 -* Ultra-long RF range
67 67  
68 68  
69 69  
70 70  
71 -== 1.3  Specification ==
32 +== Specification ==
72 72  
73 -
74 74  * CPU: 32-bit 48 MHz
75 75  * Flash: 256KB
76 76  * RAM: 64KB
... ... @@ -89,326 +89,222 @@
89 89  * LoRa Rx current: <9 mA
90 90  * I/O Voltage: 3.3v
91 91  
52 +== AT Command ==
92 92  
54 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
93 93  
94 94  
95 -== 1.4  Pin Mapping & LED ==
57 +== Dimension ==
96 96  
59 +[[image:image-20220517072526-1.png]]
97 97  
98 -[[image:image-20220817085048-1.png||height="533" width="734"]]
99 99  
62 +== Pin Mapping ==
100 100  
64 +[[image:image-20220523101537-1.png]]
101 101  
102 -~1. The LED lights up red when there is an upstream data packet
103 -2. When the network is successfully connected, the green light will be on for 5 seconds
104 -3. Purple light on when receiving downlink data packets
66 +== Land Pattern ==
105 105  
68 +[[image:image-20220517072821-2.png]]
106 106  
107 -[[image:image-20220820112305-1.png||height="515" width="749"]]
108 108  
71 +== Part Number ==
109 109  
73 +Part Number: **LA66-XXX**
110 110  
111 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
75 +**XX**: The default frequency band
112 112  
77 +* **AS923**: LoRaWAN AS923 band
78 +* **AU915**: LoRaWAN AU915 band
79 +* **EU433**: LoRaWAN EU433 band
80 +* **EU868**: LoRaWAN EU868 band
81 +* **KR920**: LoRaWAN KR920 band
82 +* **US915**: LoRaWAN US915 band
83 +* **IN865**: LoRaWAN IN865 band
84 +* **CN470**: LoRaWAN CN470 band
85 +* **PP**: Peer to Peer LoRa Protocol
113 113  
114 -**Show connection diagram：**
115 115  
88 += LA66 LoRaWAN Shield =
116 116  
117 -[[image:image-20220723170210-2.png||height="908" width="681"]]
90 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
118 118  
92 +== Pin Mapping & LED ==
119 119  
94 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
120 120  
121 -(% style="color:blue" %)**1.  open Arduino IDE**
96 +== Example: Join TTN network and send an uplink message, get downlink message. ==
122 122  
98 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
123 123  
124 -[[image:image-20220723170545-4.png]]
100 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
125 125  
102 +=== what needs to be used ===
126 126  
104 +1.LA66 LoRaWAN Shield that needs to be upgraded
127 127  
128 -(% style="color:blue" %)**2.  Open project**
106 +2.Arduino
129 129  
108 +3.USB TO TTL
130 130  
131 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
110 +[[image:image-20220602100052-2.png]]
132 132  
112 +=== Wiring Schematic ===
133 133  
134 -[[image:image-20220726135239-1.png]]
114 +[[image:image-20220602101311-3.png]]
135 135  
116 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
136 136  
118 +GND  >>>>>>>>>>>>GND
137 137  
138 -(% style="color:blue" %)**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**
120 +TXD  >>>>>>>>>>>>TXD
139 139  
122 +RXD  >>>>>>>>>>>>RXD
140 140  
141 -[[image:image-20220726135356-2.png]]
124 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
142 142  
126 +Connect to the PC after connecting the wires
143 143  
128 +[[image:image-20220602102240-4.png]]
144 144  
145 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
130 +=== Upgrade steps ===
146 146  
132 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
147 147  
148 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
134 +[[image:image-20220602102824-5.png]]
149 149  
136 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
150 150  
138 +[[image:image-20220602104701-12.png]]
151 151  
152 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
140 +==== Open the upgrade application software ====
153 153  
142 +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/]]
154 154  
155 -(% style="color:blue" %)**1.  Open project**
144 +[[image:image-20220602103227-6.png]]
156 156  
146 +[[image:image-20220602103357-7.png]]
157 157  
158 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
148 +===== Select the COM port corresponding to USB TTL =====
159 159  
150 +[[image:image-20220602103844-8.png]]
160 160  
161 -[[image:image-20220723172502-8.png]]
152 +===== Select the bin file to burn =====
162 162  
154 +[[image:image-20220602104144-9.png]]
163 163  
156 +[[image:image-20220602104251-10.png]]
164 164  
165 -(% style="color:blue" %)**2.  Same steps as 1.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
158 +[[image:image-20220602104402-11.png]]
166 166  
160 +===== Click to start the download =====
167 167  
168 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
162 +[[image:image-20220602104923-13.png]]
169 169  
164 +===== The following figure appears to prove that the burning is in progress =====
170 170  
166 +[[image:image-20220602104948-14.png]]
171 171  
172 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
168 +===== The following picture appears to prove that the burning is successful =====
173 173  
170 +[[image:image-20220602105251-15.png]]
174 174  
175 -(% style="color:blue" %)**1.  Open project**
172 += LA66 USB LoRaWAN Adapter =
176 176  
174 +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.
177 177  
178 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
176 +Before use, please make sure that the computer has installed the CP2102 driver
179 179  
178 +== Pin Mapping & LED ==
180 180  
181 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
180 +== Example Send & Get Messages via LoRaWAN in PC ==
182 182  
182 +Connect the LA66 LoRa Shield to the PC
183 183  
184 +[[image:image-20220602171217-1.png||height="615" width="915"]]
184 184  
185 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
186 +Open the serial port tool
186 186  
188 +[[image:image-20220602161617-8.png]]
187 187  
188 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
190 +[[image:image-20220602161718-9.png||height="529" width="927"]]
189 189  
192 +Press the reset switch RST on the LA66 LoRa Shield.
190 190  
194 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
191 191  
196 +[[image:image-20220602161935-10.png]]
192 192  
198 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
193 193  
194 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
200 +example: AT+SENDB=01,02,8,05820802581ea0a5
195 195  
202 +[[image:image-20220602162157-11.png]]
196 196  
197 -For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
204 +Check to see if TTN received the message
198 198  
206 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
199 199  
200 -[[image:image-20220723175700-12.png||height="602" width="995"]]
208 +== Example Send & Get Messages via LoRaWAN in RPi ==
201 201  
210 +Connect the LA66 LoRa Shield to the RPI
202 202  
212 +[[image:image-20220602171233-2.png||height="592" width="881"]]
203 203  
204 -== 1.8  Example: How to join helium ==
214 +Log in to the RPI's terminal and connect to the serial port
205 205  
216 +[[image:image-20220602153146-3.png]]
206 206  
207 -(% style="color:blue" %)**1.  Create a new device.**
218 +Press the reset switch RST on the LA66 LoRa Shield.
219 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
208 208  
221 +[[image:image-20220602154928-5.png]]
209 209  
210 -[[image:image-20220907165500-1.png||height="464" width="940"]]
223 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
211 211  
225 +example: AT+SENDB=01,02,8,05820802581ea0a5
212 212  
227 +[[image:image-20220602160339-6.png]]
213 213  
214 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
229 +Check to see if TTN received the message
215 215  
231 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
216 216  
217 -[[image:image-20220907165837-2.png||height="375" width="809"]]
233 +=== Install Minicom ===
218 218  
235 +Enter the following command in the RPI terminal
219 219  
237 +apt update
220 220  
221 -(% style="color:blue" %)**3.  Use AT commands.**
239 +[[image:image-20220602143155-1.png]]
222 222  
241 +apt install minicom
223 223  
224 -[[image:image-20220602100052-2.png||height="385" width="600"]]
243 +[[image:image-20220602143744-2.png]]
225 225  
245 +=== Send PC's CPU/RAM usage to TTN via script. ===
226 226  
247 +==== Take python as an example： ====
227 227  
228 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
249 +===== Preconditions: =====
229 229  
251 +1.LA66 USB LoRaWAN Adapter works fine
230 230  
231 -[[image:image-20220907170308-3.png||height="556" width="617"]]
253 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
232 232  
255 +===== Steps for usage =====
233 233  
257 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
234 234  
235 -(% style="color:blue" %)**5.  Network successfully.**
259 +2.Run the script and see the TTN
236 236  
261 +[[image:image-20220602115852-3.png]]
237 237  
238 -[[image:image-20220907170436-4.png]]
239 239  
240 240  
265 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
241 241  
242 -(% style="color:blue" %)**6.  Send uplink using command**
243 243  
268 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
244 244  
245 -[[image:image-20220912084334-1.png]]
246 -
247 -
248 -[[image:image-20220912084412-3.png]]
249 -
250 -
251 -
252 -[[image:image-20220907170744-6.png||height="242" width="798"]]
253 -
254 -
255 -
256 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
257 -
258 -
259 -=== 1.9.1  Items needed for update ===
260 -
261 -
262 -1. LA66 LoRaWAN Shield
263 -1. Arduino
264 -1. USB TO TTL Adapter
265 -
266 -[[image:image-20220602100052-2.png||height="385" width="600"]]
267 -
268 -
269 -
270 -=== 1.9.2  Connection ===
271 -
272 -
273 -[[image:image-20220602101311-3.png||height="276" width="600"]]
274 -
275 -
276 -(((
277 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
278 -)))
279 -
280 -(((
281 -(% style="background-color:yellow" %)**GND  <-> GND
282 -TXD  <->  TXD
283 -RXD  <->  RXD**
284 -)))
285 -
286 -
287 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
288 -
289 -Connect USB TTL Adapter to PC after connecting the wires
290 -
291 -
292 -[[image:image-20220602102240-4.png||height="304" width="600"]]
293 -
294 -
295 -
296 -=== 1.9.3  Upgrade steps ===
297 -
298 -
299 -
300 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
301 -
302 -
303 -[[image:image-20220602102824-5.png||height="306" width="600"]]
304 -
305 -
306 -
307 -
308 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
309 -
310 -
311 -[[image:image-20220817085447-1.png]]
312 -
313 -
314 -
315 -
316 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
317 -
318 -
319 -
320 -(((
321 -(% style="color:blue" %)**1.  Software download link:  **(%%)**[[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
322 -)))
323 -
324 -
325 -[[image:image-20220602103227-6.png]]
326 -
327 -
328 -[[image:image-20220602103357-7.png]]
329 -
330 -
331 -
332 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
333 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
334 -
335 -
336 -[[image:image-20220602103844-8.png]]
337 -
338 -
339 -
340 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
341 -(% style="color:blue" %)**3.  Select the bin file to burn**
342 -
343 -
344 -[[image:image-20220602104144-9.png]]
345 -
346 -
347 -[[image:image-20220602104251-10.png]]
348 -
349 -
350 -[[image:image-20220602104402-11.png]]
351 -
352 -
353 -
354 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
355 -(% style="color:blue" %)**4.  Click to start the download**
356 -
357 -
358 -[[image:image-20220602104923-13.png]]
359 -
360 -
361 -
362 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
363 -(% style="color:blue" %)**5.  Check update process**
364 -
365 -
366 -[[image:image-20220602104948-14.png]]
367 -
368 -
369 -
370 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
371 -(% style="color:blue" %)**The following picture shows that the burning is successful**
372 -
373 -
374 -[[image:image-20220602105251-15.png]]
375 -
376 -
377 -
378 -= 2.  FAQ =
379 -
380 -
381 -== 2.1  How to Compile Source Code for LA66? ==
382 -
383 -
384 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
385 -
386 -
387 -
388 -= 3.  Order Info =
389 -
390 -
391 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
392 -
393 -
394 -(% style="color:blue" %)**XXX**(%%): The default frequency band
395 -
396 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
397 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
398 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
399 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
400 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
401 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
402 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
403 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
404 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
405 -
406 -
407 -
408 -
409 -= 4.  Reference =
410 -
411 -
412 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
413 -
414 414  
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