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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 65.1
edited by Edwin Chen
on 2022/07/02 23:30
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  
19 +== Features ==
52 52  
53 53  
54 -== 1.2  Features ==
22 +== Specification ==
55 55  
24 +[[image:image-20220517072526-1.png]]
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
26 +Input Power Range: 1.8v ~~ 3.7v
67 67  
28 +Power Consumption: < 4uA.
68 68  
30 +Frequency Range: 150 MHz ~~ 960 MHz
69 69  
32 +Maximum Power +22 dBm constant RF output
70 70  
71 -== 1.3  Specification ==
34 +High sensitivity: -148 dBm
72 72  
36 +Temperature:
73 73  
74 -* CPU: 32-bit 48 MHz
75 -* Flash: 256KB
76 -* RAM: 64KB
77 -* Input Power Range: 1.8v ~~ 3.7v
78 -* Power Consumption: < 4uA.
79 -* Frequency Range: 150 MHz ~~ 960 MHz
80 -* Maximum Power +22 dBm constant RF output
81 -* High sensitivity: -148 dBm
82 -* Temperature:
83 -** Storage: -55 ~~ +125℃
84 -** Operating: -40 ~~ +85℃
85 -* Humidity:
86 -** Storage: 5 ~~ 95% (Non-Condensing)
87 -** Operating: 10 ~~ 95% (Non-Condensing)
88 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
89 -* LoRa Rx current: <9 mA
90 -* I/O Voltage: 3.3v
38 +* Storage: -55 ~~ +125℃
39 +* Operating: -40 ~~ +85℃
91 91  
41 +Humidity:
92 92  
43 +* Storage: 5 ~~ 95% (Non-Condensing)
44 +* Operating: 10 ~~ 95% (Non-Condensing)
93 93  
46 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
94 94  
95 -== 1.4  Pin Mapping & LED ==
48 +LoRa Rx current: <9 mA
96 96  
50 +I/O Voltage: 3.3v
97 97  
98 -[[image:image-20220817085048-1.png||height="533" width="734"]]
99 99  
53 +== AT Command ==
100 100  
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.
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
105 105  
58 +== Pin Mapping ==
106 106  
107 -[[image:image-20220820112305-1.png||height="515" width="749"]]
60 +[[image:image-20220523101537-1.png]]
108 108  
62 +== Land Pattern ==
109 109  
64 +[[image:image-20220517072821-2.png]]
110 110  
111 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
112 112  
67 +== Part Number ==
113 113  
114 -**Show connection diagram：**
69 +Part Number: **LA66-XXX**
115 115  
71 +**XX**: The default frequency band
116 116  
117 -[[image:image-20220723170210-2.png||height="908" width="681"]]
73 +* **AS923**: LoRaWAN AS923 band
74 +* **AU915**: LoRaWAN AU915 band
75 +* **EU433**: LoRaWAN EU433 band
76 +* **EU868**: LoRaWAN EU868 band
77 +* **KR920**: LoRaWAN KR920 band
78 +* **US915**: LoRaWAN US915 band
79 +* **IN865**: LoRaWAN IN865 band
80 +* **CN470**: LoRaWAN CN470 band
118 118  
82 += LA66 LoRaWAN Shield =
119 119  
84 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
120 120  
121 -(% style="color:blue" %)**1.  open Arduino IDE**
86 +== Pin Mapping & LED ==
122 122  
88 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
123 123  
124 -[[image:image-20220723170545-4.png]]
90 +== Example: Join TTN network and send an uplink message, get downlink message. ==
125 125  
92 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
126 126  
94 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
127 127  
128 -(% style="color:blue" %)**2.  Open project**
96 +=== what needs to be used ===
129 129  
98 +1.LA66 LoRaWAN Shield that needs to be upgraded
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]]
100 +2.Arduino
132 132  
102 +3.USB TO TTL
133 133  
134 -[[image:image-20220726135239-1.png]]
104 +[[image:image-20220602100052-2.png]]
135 135  
106 +=== Wiring Schematic ===
136 136  
108 +[[image:image-20220602101311-3.png]]
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**
110 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
139 139  
112 +GND  >>>>>>>>>>>>GND
140 140  
141 -[[image:image-20220726135356-2.png]]
114 +TXD  >>>>>>>>>>>>TXD
142 142  
116 +RXD  >>>>>>>>>>>>RXD
143 143  
118 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
144 144  
145 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
120 +Connect to the PC after connecting the wires
146 146  
122 +[[image:image-20220602102240-4.png]]
147 147  
148 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
124 +=== Upgrade steps ===
149 149  
126 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
150 150  
128 +[[image:image-20220602102824-5.png]]
151 151  
152 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
130 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
153 153  
132 +[[image:image-20220602104701-12.png]]
154 154  
155 -(% style="color:blue" %)**1.  Open project**
134 +==== Open the upgrade application software ====
156 156  
136 +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/]]
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]]
138 +[[image:image-20220602103227-6.png]]
159 159  
140 +[[image:image-20220602103357-7.png]]
160 160  
161 -[[image:image-20220723172502-8.png]]
142 +===== Select the COM port corresponding to USB TTL =====
162 162  
144 +[[image:image-20220602103844-8.png]]
163 163  
146 +===== Select the bin file to burn =====
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**
148 +[[image:image-20220602104144-9.png]]
166 166  
150 +[[image:image-20220602104251-10.png]]
167 167  
168 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
152 +[[image:image-20220602104402-11.png]]
169 169  
154 +===== Click to start the download =====
170 170  
156 +[[image:image-20220602104923-13.png]]
171 171  
172 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
158 +===== The following figure appears to prove that the burning is in progress =====
173 173  
160 +[[image:image-20220602104948-14.png]]
174 174  
175 -(% style="color:blue" %)**1.  Open project**
162 +===== The following picture appears to prove that the burning is successful =====
176 176  
164 +[[image:image-20220602105251-15.png]]
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]]
166 += LA66 USB LoRaWAN Adapter =
179 179  
168 +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.
180 180  
181 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
170 +Before use, please make sure that the computer has installed the CP2102 driver
182 182  
172 +== Pin Mapping & LED ==
183 183  
174 +== Example Send & Get Messages via LoRaWAN in PC ==
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**
176 +Connect the LA66 LoRa Shield to the PC
186 186  
178 +[[image:image-20220602171217-1.png||height="615" width="915"]]
187 187  
188 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
180 +Open the serial port tool
189 189  
182 +[[image:image-20220602161617-8.png]]
190 190  
184 +[[image:image-20220602161718-9.png||height="529" width="927"]]
191 191  
186 +Press the reset switch RST on the LA66 LoRa Shield.
192 192  
188 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
193 193  
194 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
190 +[[image:image-20220602161935-10.png]]
195 195  
192 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
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/]]
194 +example: AT+SENDB=01,02,8,05820802581ea0a5
198 198  
196 +[[image:image-20220602162157-11.png]]
199 199  
200 -[[image:image-20220723175700-12.png||height="602" width="995"]]
198 +Check to see if TTN received the message
201 201  
200 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
202 202  
202 +== Example Send & Get Messages via LoRaWAN in RPi ==
203 203  
204 -== 1.8  Example: How to join helium ==
204 +Connect the LA66 LoRa Shield to the RPI
205 205  
206 +[[image:image-20220602171233-2.png||height="592" width="881"]]
206 206  
207 -(% style="color:blue" %)**1.  Create a new device.**
208 +Log in to the RPI's terminal and connect to the serial port
208 208  
210 +[[image:image-20220602153146-3.png]]
209 209  
210 -[[image:image-20220907165500-1.png||height="464" width="940"]]
212 +Press the reset switch RST on the LA66 LoRa Shield.
213 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
211 211  
215 +[[image:image-20220602154928-5.png]]
212 212  
217 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
213 213  
214 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
219 +example: AT+SENDB=01,02,8,05820802581ea0a5
215 215  
221 +[[image:image-20220602160339-6.png]]
216 216  
217 -[[image:image-20220907165837-2.png||height="375" width="809"]]
223 +Check to see if TTN received the message
218 218  
225 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
219 219  
227 +=== Install Minicom ===
220 220  
221 -(% style="color:blue" %)**3.  Use AT commands.**
229 +Enter the following command in the RPI terminal
222 222  
231 +apt update
223 223  
224 -[[image:image-20220602100052-2.png||height="385" width="600"]]
233 +[[image:image-20220602143155-1.png]]
225 225  
235 +apt install minicom
226 226  
237 +[[image:image-20220602143744-2.png]]
227 227  
228 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
239 +=== Send PC's CPU/RAM usage to TTN via script. ===
229 229  
241 +==== Take python as an example： ====
230 230  
231 -[[image:image-20220907170308-3.png||height="556" width="617"]]
243 +===== Preconditions: =====
232 232  
245 +1.LA66 USB LoRaWAN Adapter works fine
233 233  
247 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
234 234  
235 -(% style="color:blue" %)**5.  Network successfully.**
249 +===== Steps for usage =====
236 236  
251 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
237 237  
238 -[[image:image-20220907170436-4.png]]
253 +2.Run the script and see the TTN
239 239  
255 +[[image:image-20220602115852-3.png]]
240 240  
241 241  
242 -(% style="color:blue" %)**6.  Send uplink using command**
243 243  
259 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
244 244  
245 -[[image:image-20220912084334-1.png]]
246 246  
262 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
247 247  
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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