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Last modified by Xiaoling on 2023/05/26 14:19
From version 165.1
edited by Edwin Chen
on 2022/09/24 13:43
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
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 -== 1.3  Specification ==
70 70  
71 71  
32 +== Specification ==
33 +
72 72  * CPU: 32-bit 48 MHz
73 73  * Flash: 256KB
74 74  * RAM: 64KB
... ... @@ -87,326 +87,222 @@
87 87  * LoRa Rx current: <9 mA
88 88  * I/O Voltage: 3.3v
89 89  
52 +== AT Command ==
90 90  
91 -== 1.4  Pin Mapping & LED ==
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.
92 92  
93 93  
94 -[[image:image-20220817085048-1.png||height="533" width="734"]]
57 +== Dimension ==
95 95  
59 +[[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
62 +== Pin Mapping ==
101 101  
64 +[[image:image-20220523101537-1.png]]
102 102  
103 -[[image:image-20220820112305-1.png||height="515" width="749"]]
66 +== Land Pattern ==
104 104  
68 +[[image:image-20220517072821-2.png]]
105 105  
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
71 +== Part Number ==
108 108  
73 +Part Number: **LA66-XXX**
109 109  
110 -**Show connection diagram：**
75 +**XX**: The default frequency band
111 111  
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
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
114 114  
88 += LA66 LoRaWAN Shield =
115 115  
90 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
92 +== Pin Mapping & LED ==
118 118  
94 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
119 119  
120 -[[image:image-20220723170545-4.png]]
96 +== Example: Join TTN network and send an uplink message, get downlink message. ==
121 121  
98 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
122 122  
100 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
123 123  
124 -(% style="color:blue" %)**2.  Open project**
102 +=== what needs to be used ===
125 125  
104 +1.LA66 LoRaWAN Shield that needs to be upgraded
126 126  
127 -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]]
106 +2.Arduino
128 128  
108 +3.USB TO TTL
129 129  
130 -[[image:image-20220726135239-1.png]]
110 +[[image:image-20220602100052-2.png]]
131 131  
112 +=== Wiring Schematic ===
132 132  
114 +[[image:image-20220602101311-3.png]]
133 133  
134 -(% 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
135 135  
118 +GND  >>>>>>>>>>>>GND
136 136  
137 -[[image:image-20220726135356-2.png]]
120 +TXD  >>>>>>>>>>>>TXD
138 138  
122 +RXD  >>>>>>>>>>>>RXD
139 139  
124 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
140 140  
141 -(% 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
142 142  
128 +[[image:image-20220602102240-4.png]]
143 143  
144 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
130 +=== Upgrade steps ===
145 145  
132 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
146 146  
134 +[[image:image-20220602102824-5.png]]
147 147  
148 -== 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 ====
149 149  
138 +[[image:image-20220602104701-12.png]]
150 150  
151 -(% style="color:blue" %)**1.  Open project**
140 +==== Open the upgrade application software ====
152 152  
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/]]
153 153  
154 -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]]
144 +[[image:image-20220602103227-6.png]]
155 155  
146 +[[image:image-20220602103357-7.png]]
156 156  
157 -[[image:image-20220723172502-8.png]]
148 +===== Select the COM port corresponding to USB TTL =====
158 158  
150 +[[image:image-20220602103844-8.png]]
159 159  
152 +===== Select the bin file to burn =====
160 160  
161 -(% 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**
154 +[[image:image-20220602104144-9.png]]
162 162  
156 +[[image:image-20220602104251-10.png]]
163 163  
164 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
158 +[[image:image-20220602104402-11.png]]
165 165  
160 +===== Click to start the download =====
166 166  
162 +[[image:image-20220602104923-13.png]]
167 167  
168 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
164 +===== The following figure appears to prove that the burning is in progress =====
169 169  
166 +[[image:image-20220602104948-14.png]]
170 170  
171 -(% style="color:blue" %)**1.  Open project**
168 +===== The following picture appears to prove that the burning is successful =====
172 172  
170 +[[image:image-20220602105251-15.png]]
173 173  
174 -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]]
172 += LA66 USB LoRaWAN Adapter =
175 175  
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.
176 176  
177 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
176 +Before use, please make sure that the computer has installed the CP2102 driver
178 178  
178 +== Pin Mapping & LED ==
179 179  
180 +== Example Send & Get Messages via LoRaWAN in PC ==
180 180  
181 -(% 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**
182 +Connect the LA66 LoRa Shield to the PC
182 182  
184 +[[image:image-20220602171217-1.png||height="615" width="915"]]
183 183  
184 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
186 +Open the serial port tool
185 185  
188 +[[image:image-20220602161617-8.png]]
186 186  
190 +[[image:image-20220602161718-9.png||height="529" width="927"]]
187 187  
192 +Press the reset switch RST on the LA66 LoRa Shield.
188 188  
194 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
189 189  
190 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
196 +[[image:image-20220602161935-10.png]]
191 191  
198 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
192 192  
193 -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/]]
200 +example: AT+SENDB=01,02,8,05820802581ea0a5
194 194  
202 +[[image:image-20220602162157-11.png]]
195 195  
196 -[[image:image-20220723175700-12.png||height="602" width="995"]]
204 +Check to see if TTN received the message
197 197  
206 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
198 198  
208 +== Example Send & Get Messages via LoRaWAN in RPi ==
199 199  
200 -== 1.8  Example: How to join helium ==
210 +Connect the LA66 LoRa Shield to the RPI
201 201  
212 +[[image:image-20220602171233-2.png||height="592" width="881"]]
202 202  
203 -(% style="color:blue" %)**1.  Create a new device.**
214 +Log in to the RPI's terminal and connect to the serial port
204 204  
216 +[[image:image-20220602153146-3.png]]
205 205  
206 -[[image:image-20220907165500-1.png||height="464" width="940"]]
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
207 207  
221 +[[image:image-20220602154928-5.png]]
208 208  
223 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
209 209  
210 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
225 +example: AT+SENDB=01,02,8,05820802581ea0a5
211 211  
227 +[[image:image-20220602160339-6.png]]
212 212  
213 -[[image:image-20220907165837-2.png||height="375" width="809"]]
229 +Check to see if TTN received the message
214 214  
231 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
215 215  
233 +=== Install Minicom ===
216 216  
217 -(% style="color:blue" %)**3.  Use AT commands.**
235 +Enter the following command in the RPI terminal
218 218  
237 +apt update
219 219  
220 -[[image:image-20220602100052-2.png||height="385" width="600"]]
239 +[[image:image-20220602143155-1.png]]
221 221  
241 +apt install minicom
222 222  
243 +[[image:image-20220602143744-2.png]]
223 223  
224 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
245 +=== Send PC's CPU/RAM usage to TTN via script. ===
225 225  
247 +==== Take python as an example： ====
226 226  
227 -[[image:image-20220907170308-3.png||height="556" width="617"]]
249 +===== Preconditions: =====
228 228  
251 +1.LA66 USB LoRaWAN Adapter works fine
229 229  
253 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
230 230  
231 -(% style="color:blue" %)**5.  Network successfully.**
255 +===== Steps for usage =====
232 232  
257 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
233 233  
234 -[[image:image-20220907170436-4.png]]
259 +2.Run the script and see the TTN
235 235  
261 +[[image:image-20220602115852-3.png]]
236 236  
237 237  
238 -(% style="color:blue" %)**6.  Send uplink using command**
239 239  
265 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
240 240  
241 -[[image:image-20220912084334-1.png]]
242 242  
268 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
243 243  
244 -[[image:image-20220912084412-3.png]]
245 -
246 -
247 -
248 -[[image:image-20220907170744-6.png||height="242" width="798"]]
249 -
250 -
251 -
252 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
253 -
254 -
255 -=== 1.9.1  Items needed for update ===
256 -
257 -
258 -1. LA66 LoRaWAN Shield
259 -1. Arduino
260 -1. USB TO TTL Adapter
261 -
262 -[[image:image-20220602100052-2.png||height="385" width="600"]]
263 -
264 -
265 -
266 -=== 1.9.2  Connection ===
267 -
268 -
269 -[[image:image-20220602101311-3.png||height="276" width="600"]]
270 -
271 -
272 -(((
273 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
274 -)))
275 -
276 -(((
277 -(% style="background-color:yellow" %)**GND  <-> GND
278 -TXD  <->  TXD
279 -RXD  <->  RXD**
280 -)))
281 -
282 -
283 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
284 -
285 -Connect USB TTL Adapter to PC after connecting the wires
286 -
287 -
288 -[[image:image-20220602102240-4.png||height="304" width="600"]]
289 -
290 -
291 -
292 -=== 1.9.3  Upgrade steps ===
293 -
294 -
295 -
296 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
297 -
298 -
299 -[[image:image-20220602102824-5.png||height="306" width="600"]]
300 -
301 -
302 -
303 -
304 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
305 -
306 -
307 -[[image:image-20220817085447-1.png]]
308 -
309 -
310 -
311 -
312 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
313 -
314 -
315 -
316 -(((
317 -(% 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]]**
318 -)))
319 -
320 -
321 -[[image:image-20220602103227-6.png]]
322 -
323 -
324 -[[image:image-20220602103357-7.png]]
325 -
326 -
327 -
328 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
329 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
330 -
331 -
332 -[[image:image-20220602103844-8.png]]
333 -
334 -
335 -
336 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
337 -(% style="color:blue" %)**3.  Select the bin file to burn**
338 -
339 -
340 -[[image:image-20220602104144-9.png]]
341 -
342 -
343 -[[image:image-20220602104251-10.png]]
344 -
345 -
346 -[[image:image-20220602104402-11.png]]
347 -
348 -
349 -
350 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
351 -(% style="color:blue" %)**4.  Click to start the download**
352 -
353 -
354 -[[image:image-20220602104923-13.png]]
355 -
356 -
357 -
358 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
359 -(% style="color:blue" %)**5.  Check update process**
360 -
361 -
362 -[[image:image-20220602104948-14.png]]
363 -
364 -
365 -
366 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
367 -(% style="color:blue" %)**The following picture shows that the burning is successful**
368 -
369 -
370 -[[image:image-20220602105251-15.png]]
371 -
372 -
373 -
374 -= 2.  FAQ =
375 -
376 -
377 -== 2.1  How to Compile Source Code for LA66? ==
378 -
379 -
380 -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]]
381 -
382 -
383 -== 2.2 Where to find Peer-to-Peer firmware of LA66? ==
384 -
385 -
386 -* [[Instruction for LA66 Peer to Peer firmware>>Instruction for LA66 Peer to Peer firmware]].
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 -= 4.  Reference =
408 -
409 -
410 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
411 -
412 412  
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