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Last modified by Xiaoling on 2023/05/26 14:19
From version 166.3
edited by Xiaoling
on 2023/05/26 13:55
Change comment: There is no comment for this version
To version 69.1
edited by Edwin Chen
on 2022/07/02 23:51
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 64  * AT Command via UART-TTL interface
... ... @@ -66,9 +66,8 @@
66 66  * Ultra-long RF range
67 67  
68 68  
69 -== 1.3  Specification ==
33 +== Specification ==
70 70  
71 -
72 72  * CPU: 32-bit 48 MHz
73 73  * Flash: 256KB
74 74  * RAM: 64KB
... ... @@ -87,351 +87,221 @@
87 87  * LoRa Rx current: <9 mA
88 88  * I/O Voltage: 3.3v
89 89  
53 +== AT Command ==
90 90  
91 -== 1.4  Pin Mapping & LED ==
55 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
92 92  
93 93  
94 -[[image:image-20220817085048-1.png||height="533" width="734"]]
58 +== Dimension ==
95 95  
60 +[[image:image-20220517072526-1.png]]
96 96  
97 97  
98 -~1. The LED lights up red when there is an upstream data packet
99 -2. When the network is successfully connected, the green light will be on for 5 seconds
100 -3. Purple light on when receiving downlink data packets
63 +== Pin Mapping ==
101 101  
65 +[[image:image-20220523101537-1.png]]
102 102  
103 -[[image:image-20220820112305-1.png||height="515" width="749"]]
67 +== Land Pattern ==
104 104  
69 +[[image:image-20220517072821-2.png]]
105 105  
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
72 +== Part Number ==
108 108  
74 +Part Number: **LA66-XXX**
109 109  
110 -**Show connection diagram：**
76 +**XX**: The default frequency band
111 111  
78 +* **AS923**: LoRaWAN AS923 band
79 +* **AU915**: LoRaWAN AU915 band
80 +* **EU433**: LoRaWAN EU433 band
81 +* **EU868**: LoRaWAN EU868 band
82 +* **KR920**: LoRaWAN KR920 band
83 +* **US915**: LoRaWAN US915 band
84 +* **IN865**: LoRaWAN IN865 band
85 +* **CN470**: LoRaWAN CN470 band
86 +* **PP**: Peer to Peer LoRa Protocol
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
88 += LA66 LoRaWAN Shield =
114 114  
90 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
115 115  
92 +== Pin Mapping & LED ==
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
94 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
118 118  
96 +== Example: Join TTN network and send an uplink message, get downlink message. ==
119 119  
120 -[[image:image-20220723170545-4.png]]
98 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
121 121  
100 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
122 122  
102 +=== what needs to be used ===
123 123  
124 -(% style="color:blue" %)**2.  Open project**
104 +1.LA66 LoRaWAN Shield that needs to be upgraded
125 125  
106 +2.Arduino
126 126  
127 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0 >>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
108 +3.USB TO TTL
128 128  
129 -[[image:image-20220726135239-1.png]]
110 +[[image:image-20220602100052-2.png]]
130 130  
112 +=== Wiring Schematic ===
131 131  
114 +[[image:image-20220602101311-3.png]]
132 132  
133 -(% 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**
116 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
134 134  
118 +GND  >>>>>>>>>>>>GND
135 135  
136 -[[image:image-20220726135356-2.png]]
120 +TXD  >>>>>>>>>>>>TXD
137 137  
122 +RXD  >>>>>>>>>>>>RXD
138 138  
124 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
139 139  
140 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
126 +Connect to the PC after connecting the wires
141 141  
128 +[[image:image-20220602102240-4.png]]
142 142  
143 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
130 +=== Upgrade steps ===
144 144  
132 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
145 145  
134 +[[image:image-20220602102824-5.png]]
146 146  
147 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
136 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
148 148  
138 +[[image:image-20220602104701-12.png]]
149 149  
150 -(% style="color:blue" %)**1.  Open project**
140 +==== Open the upgrade application software ====
151 151  
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/]]
152 152  
153 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0 >>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
154 -
155 -
156 -[[image:image-20220723172502-8.png]]
157 -
158 -
159 -
160 -(% 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**
161 -
162 -
163 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
164 -
165 -
166 -
167 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
168 -
169 -
170 -(% style="color:blue" %)**1.  Open project**
171 -
172 -
173 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0>>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
174 -
175 -
176 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
177 -
178 -
179 -
180 -(% 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**
181 -
182 -
183 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
184 -
185 -
186 -
187 -
188 -
189 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
190 -
191 -
192 -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/]]
193 -
194 -
195 -[[image:image-20220723175700-12.png||height="602" width="995"]]
196 -
197 -
198 -
199 -== 1.8  Example: How to join helium ==
200 -
201 -
202 -(% style="color:blue" %)**1.  Create a new device.**
203 -
204 -
205 -[[image:image-20220907165500-1.png||height="464" width="940"]]
206 -
207 -
208 -
209 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
210 -
211 -
212 -[[image:image-20220907165837-2.png||height="375" width="809"]]
213 -
214 -
215 -
216 -(% style="color:blue" %)**3.  Use AT commands.**
217 -
218 -
219 -[[image:image-20220602100052-2.png||height="385" width="600"]]
220 -
221 -
222 -
223 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
224 -
225 -
226 -[[image:image-20220907170308-3.png||height="556" width="617"]]
227 -
228 -
229 -
230 -(% style="color:blue" %)**5.  Network successfully.**
231 -
232 -
233 -[[image:image-20220907170436-4.png]]
234 -
235 -
236 -
237 -(% style="color:blue" %)**6.  Send uplink using command**
238 -
239 -
240 -[[image:image-20220912084334-1.png]]
241 -
242 -
243 -[[image:image-20220912084412-3.png]]
244 -
245 -
246 -
247 -[[image:image-20220907170744-6.png||height="242" width="798"]]
248 -
249 -
250 -
251 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
252 -
253 -
254 -=== 1.9.1  Items needed for update ===
255 -
256 -
257 -1. LA66 LoRaWAN Shield
258 -1. Arduino
259 -1. USB TO TTL Adapter
260 -
261 -[[image:image-20220602100052-2.png||height="385" width="600"]]
262 -
263 -
264 -
265 -=== 1.9.2  Connection ===
266 -
267 -
268 -[[image:image-20220602101311-3.png||height="276" width="600"]]
269 -
270 -
271 -(((
272 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
273 -)))
274 -
275 -(((
276 -(% style="background-color:yellow" %)**GND  <-> GND
277 -TXD  <->  TXD
278 -RXD  <->  RXD**
279 -)))
280 -
281 -
282 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
283 -
284 -Connect USB TTL Adapter to PC after connecting the wires
285 -
286 -
287 -[[image:image-20220602102240-4.png||height="304" width="600"]]
288 -
289 -
290 -
291 -=== 1.9.3  Upgrade steps ===
292 -
293 -
294 -
295 -==== (% style="color:blue" %)**1.  Switch SW1 to put in ISP position**(%%) ====
296 -
297 -
298 -[[image:image-20220602102824-5.png||height="306" width="600"]]
299 -
300 -
301 -
302 -
303 -==== (% style="color:blue" %)**2.  Press the RST switch once**(%%) ====
304 -
305 -
306 -[[image:image-20220817085447-1.png]]
307 -
308 -
309 -
310 -
311 -==== (% style="color:blue" %)**3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade**(%%) ====
312 -
313 -
314 -
315 -(((
316 -(% 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]]**
317 -)))
318 -
319 -
320 320  [[image:image-20220602103227-6.png]]
321 321  
322 -
323 323  [[image:image-20220602103357-7.png]]
324 324  
148 +===== Select the COM port corresponding to USB TTL =====
325 325  
326 -
327 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
328 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
329 -
330 -
331 331  [[image:image-20220602103844-8.png]]
332 332  
152 +===== Select the bin file to burn =====
333 333  
154 +[[image:image-20220602104144-9.png]]
334 334  
335 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
336 -(% style="color:blue" %)**3.  Select the bin file to burn**
156 +[[image:image-20220602104251-10.png]]
337 337  
158 +[[image:image-20220602104402-11.png]]
338 338  
339 -[[image:image-20220602104144-9.png]]
160 +===== Click to start the download =====
340 340  
162 +[[image:image-20220602104923-13.png]]
341 341  
342 -[[image:image-20220602104251-10.png]]
164 +===== The following figure appears to prove that the burning is in progress =====
343 343  
166 +[[image:image-20220602104948-14.png]]
344 344  
345 -[[image:image-20220602104402-11.png]]
168 +===== The following picture appears to prove that the burning is successful =====
346 346  
170 +[[image:image-20220602105251-15.png]]
347 347  
172 += LA66 USB LoRaWAN Adapter =
348 348  
349 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
350 -(% style="color:blue" %)**4.  Click to start the download**
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.
351 351  
176 +Before use, please make sure that the computer has installed the CP2102 driver
352 352  
353 -[[image:image-20220602104923-13.png]]
178 +== Pin Mapping & LED ==
354 354  
180 +== Example Send & Get Messages via LoRaWAN in PC ==
355 355  
182 +Connect the LA66 LoRa Shield to the PC
356 356  
357 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
358 -(% style="color:blue" %)**5.  Check update process**
184 +[[image:image-20220602171217-1.png||height="615" width="915"]]
359 359  
186 +Open the serial port tool
360 360  
361 -[[image:image-20220602104948-14.png]]
188 +[[image:image-20220602161617-8.png]]
362 362  
190 +[[image:image-20220602161718-9.png||height="529" width="927"]]
363 363  
192 +Press the reset switch RST on the LA66 LoRa Shield.
364 364  
365 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
366 -(% style="color:blue" %)**The following picture shows that the burning is successful**
194 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
367 367  
196 +[[image:image-20220602161935-10.png]]
368 368  
369 -[[image:image-20220602105251-15.png]]
198 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
370 370  
200 +example: AT+SENDB=01,02,8,05820802581ea0a5
371 371  
202 +[[image:image-20220602162157-11.png]]
372 372  
373 -= 2.  FAQ =
204 +Check to see if TTN received the message
374 374  
375 -== 2.1  How to Compile Source Code for LA66? ==
206 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
376 376  
208 +== Example Send & Get Messages via LoRaWAN in RPi ==
377 377  
378 -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]]
210 +Connect the LA66 LoRa Shield to the RPI
379 379  
212 +[[image:image-20220602171233-2.png||height="592" width="881"]]
380 380  
214 +Log in to the RPI's terminal and connect to the serial port
381 381  
382 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
216 +[[image:image-20220602153146-3.png]]
383 383  
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
384 384  
385 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:.Instruction for LA66 Peer to Peer firmware.WebHome]]
221 +[[image:image-20220602154928-5.png]]
386 386  
387 -= 3.  Order Info =
223 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
388 388  
225 +example: AT+SENDB=01,02,8,05820802581ea0a5
389 389  
390 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
227 +[[image:image-20220602160339-6.png]]
391 391  
229 +Check to see if TTN received the message
392 392  
393 -(% style="color:blue" %)**XXX**(%%): The default frequency band
231 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
394 394  
395 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
396 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
397 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
398 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
399 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
400 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
401 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
402 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
403 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
233 +=== Install Minicom ===
404 404  
235 +Enter the following command in the RPI terminal
405 405  
406 -= 4.  Reference =
237 +apt update
407 407  
239 +[[image:image-20220602143155-1.png]]
408 408  
409 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
241 +apt install minicom
410 410  
243 +[[image:image-20220602143744-2.png]]
411 411  
412 -= 5.  FCC Statement =
245 +=== Send PC's CPU/RAM usage to TTN via script. ===
413 413  
247 +==== Take python as an example： ====
414 414  
415 -(% style="color:red" %)**FCC Caution:**
249 +===== Preconditions: =====
416 416  
417 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
251 +1.LA66 USB LoRaWAN Adapter works fine
418 418  
419 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
253 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
420 420  
255 +===== Steps for usage =====
421 421  
422 -(% style="color:red" %)**IMPORTANT NOTE: **
257 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
423 423  
424 -(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
259 +2.Run the script and see the TTN
425 425  
426 -—Reorient or relocate the receiving antenna.
261 +[[image:image-20220602115852-3.png]]
427 427  
428 -—Increase the separation between the equipment and receiver.
429 429  
430 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
431 431  
432 -—Consult the dealer or an experienced radio/TV technician for help.
265 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
433 433  
434 434  
435 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
268 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
436 436  
437 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body. 
270 +
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