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Last modified by Xiaoling on 2023/05/26 14:19
From version 166.1
edited by Edwin Chen
on 2022/11/09 15:19
Change comment: There is no comment for this version
To version 57.1
edited by Herong Lu
on 2022/06/02 16:23
Change comment: Uploaded new attachment "image-20220602162331-12.png", version {1}

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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.Edwin
1 +XWiki.Lu
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 +**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 LoRa 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 program, create and connect your things everywhere.
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 +**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
11 11  
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
12 12  
13 -== 1.1  Overview ==
14 14  
15 15  
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
17 +== Specification ==
19 19  
20 -(((
21 -
22 -)))
19 +[[image:image-20220517072526-1.png]]
23 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 -)))
21 +Input Power Range: 1.8v ~~ 3.7v
27 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 -)))
23 +Power Consumption: < 4uA.
33 33  
34 -(((
35 -(((
36 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
25 +Frequency Range: 150 MHz ~~ 960 MHz
39 39  
40 -(((
41 -(((
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 -)))
27 +Maximum Power +22 dBm constant RF output
45 45  
46 -(((
47 -(((
48 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
29 +High sensitivity: -148 dBm
51 51  
31 +Temperature:
52 52  
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
53 53  
54 -== 1.2  Features ==
36 +Humidity:
55 55  
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
56 56  
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
59 -* Support peer-to-peer protocol
60 -* TCXO crystal to ensure RF performance on low temperature
61 -* SMA connector
62 -* Available in different frequency LoRaWAN frequency bands.
63 -* World-wide unique OTAA keys.
64 -* AT Command via UART-TTL interface
65 -* Firmware upgradable via UART interface
66 -* Ultra-long RF range
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
67 67  
43 +LoRa Rx current: <9 mA
68 68  
69 -== 1.3  Specification ==
45 +I/O Voltage: 3.3v
70 70  
71 71  
72 -* CPU: 32-bit 48 MHz
73 -* Flash: 256KB
74 -* RAM: 64KB
75 -* Input Power Range: 1.8v ~~ 3.7v
76 -* Power Consumption: < 4uA.
77 -* Frequency Range: 150 MHz ~~ 960 MHz
78 -* Maximum Power +22 dBm constant RF output
79 -* High sensitivity: -148 dBm
80 -* Temperature:
81 -** Storage: -55 ~~ +125℃
82 -** Operating: -40 ~~ +85℃
83 -* Humidity:
84 -** Storage: 5 ~~ 95% (Non-Condensing)
85 -** Operating: 10 ~~ 95% (Non-Condensing)
86 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
87 -* LoRa Rx current: <9 mA
88 -* I/O Voltage: 3.3v
48 +== AT Command ==
89 89  
50 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
90 90  
91 -== 1.4  Pin Mapping & LED ==
92 92  
53 +== Pin Mapping ==
93 93  
94 -[[image:image-20220817085048-1.png||height="533" width="734"]]
55 +[[image:image-20220523101537-1.png]]
95 95  
57 +== Land Pattern ==
96 96  
59 +[[image:image-20220517072821-2.png]]
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
101 101  
62 +== Part Number ==
102 102  
103 -[[image:image-20220820112305-1.png||height="515" width="749"]]
64 +Part Number: **LA66-XXX**
104 104  
66 +**XX**: The default frequency band
105 105  
68 +* **AS923**: LoRaWAN AS923 band
69 +* **AU915**: LoRaWAN AU915 band
70 +* **EU433**: LoRaWAN EU433 band
71 +* **EU868**: LoRaWAN EU868 band
72 +* **KR920**: LoRaWAN KR920 band
73 +* **US915**: LoRaWAN US915 band
74 +* **IN865**: LoRaWAN IN865 band
75 +* **CN470**: LoRaWAN CN470 band
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
77 += LA66 LoRaWAN Shield =
108 108  
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
109 109  
110 -**Show connection diagram：**
81 +== Pin Mapping & LED ==
111 111  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
114 114  
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
115 115  
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
91 +=== what needs to be used ===
118 118  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
119 119  
120 -[[image:image-20220723170545-4.png]]
95 +2.Arduino
121 121  
97 +3.USB TO TTL
122 122  
99 +[[image:image-20220602100052-2.png]]
123 123  
124 -(% style="color:blue" %)**2.  Open project**
101 +=== Wiring Schematic ===
125 125  
103 +[[image:image-20220602101311-3.png]]
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]]
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
128 128  
129 -[[image:image-20220726135239-1.png]]
107 +GND  >>>>>>>>>>>>GND
130 130  
109 +TXD  >>>>>>>>>>>>TXD
131 131  
111 +RXD  >>>>>>>>>>>>RXD
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**
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
134 134  
115 +Connect to the PC after connecting the wires
135 135  
136 -[[image:image-20220726135356-2.png]]
117 +[[image:image-20220602102240-4.png]]
137 137  
119 +=== Upgrade steps ===
138 138  
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
139 139  
140 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
123 +[[image:image-20220602102824-5.png]]
141 141  
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
142 142  
143 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
127 +[[image:image-20220602104701-12.png]]
144 144  
129 +==== Open the upgrade application software ====
145 145  
131 +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/]]
146 146  
147 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
148 -
149 -
150 -(% style="color:blue" %)**1.  Open project**
151 -
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  
137 +===== 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  
141 +===== Select the bin file to burn =====
333 333  
334 -
335 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
336 -(% style="color:blue" %)**3.  Select the bin file to burn**
337 -
338 -
339 339  [[image:image-20220602104144-9.png]]
340 340  
341 -
342 342  [[image:image-20220602104251-10.png]]
343 343  
344 -
345 345  [[image:image-20220602104402-11.png]]
346 346  
149 +===== Click to start the download =====
347 347  
348 -
349 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
350 -(% style="color:blue" %)**4.  Click to start the download**
351 -
352 -
353 353  [[image:image-20220602104923-13.png]]
354 354  
153 +===== The following figure appears to prove that the burning is in progress =====
355 355  
356 -
357 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
358 -(% style="color:blue" %)**5.  Check update process**
359 -
360 -
361 361  [[image:image-20220602104948-14.png]]
362 362  
157 +===== The following picture appears to prove that the burning is successful =====
363 363  
364 -
365 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
366 -(% style="color:blue" %)**The following picture shows that the burning is successful**
367 -
368 -
369 369  [[image:image-20220602105251-15.png]]
370 370  
161 += LA66 USB LoRaWAN Adapter =
371 371  
163 +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.
372 372  
373 -= 2.  FAQ =
165 +Before use, please make sure that the computer has installed the CP2102 driver
374 374  
167 +== Pin Mapping & LED ==
375 375  
376 -== 2.1  How to Compile Source Code for LA66? ==
169 +== Example Send & Get Messages via LoRaWAN in PC ==
377 377  
171 +== Example Send & Get Messages via LoRaWAN in RPi ==
378 378  
379 -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]]
173 +Connect the LA66 LoRa Shield to the RPI
380 380  
175 +[[image:image-20220602153333-4.png]]
381 381  
177 +Log in to the RPI's terminal and connect to the serial port
382 382  
383 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
179 +[[image:image-20220602153146-3.png]]
384 384  
181 +Press the reset switch RST on the LA66 LoRa Shield.
182 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
385 385  
386 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:.Instruction for LA66 Peer to Peer firmware.WebHome]]
184 +[[image:image-20220602154928-5.png]]
387 387  
186 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
388 388  
188 +example: AT+SENDB=01,02,8,05820802581ea0a5
389 389  
390 -= 3.  Order Info =
190 +[[image:image-20220602160339-6.png]]
391 391  
192 +Check to see if TTN received the message
392 392  
393 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
194 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
394 394  
196 +=== Install Minicom ===
395 395  
396 -(% style="color:blue" %)**XXX**(%%): The default frequency band
198 +Enter the following command in the RPI terminal
397 397  
398 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
399 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
400 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
401 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
402 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
403 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
404 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
405 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
406 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
200 +apt update
407 407  
202 +[[image:image-20220602143155-1.png]]
408 408  
409 -= 4.  Reference =
204 +apt install minicom
410 410  
206 +[[image:image-20220602143744-2.png]]
411 411  
412 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
208 +=== Use AT Command to send an uplink message. ===
413 413  
210 +=== Send PC's CPU/RAM usage to TTN via script. ===
414 414  
415 -= 5.  FCC Statement =
212 +==== Take python as an example： ====
416 416  
214 +===== Preconditions: =====
417 417  
418 -(% style="color:red" %)**FCC Caution:**
216 +1.LA66 LoRa Shield works fine
419 419  
420 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
218 +2.LA66 LoRa Shield is registered with TTN
421 421  
422 -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.
220 +===== Steps for usage =====
423 423  
222 +1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
424 424  
425 -(% style="color:red" %)**IMPORTANT NOTE: **
224 +[[image:image-20220602114148-1.png]]
426 426  
427 -(% 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:
226 +2.Run the script and see the TTN
428 428  
429 -—Reorient or relocate the receiving antenna.
228 +[[image:image-20220602115852-3.png]]
430 430  
431 -—Increase the separation between the equipment and receiver.
432 432  
433 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
434 434  
435 -—Consult the dealer or an experienced radio/TV technician for help.
232 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
436 436  
437 437  
438 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
439 -
440 -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. 
235 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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