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Last modified by Xiaoling on 2023/05/26 14:19
From version 165.2
edited by Xiaoling
on 2022/09/26 14:36
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  
68 -== 1.3  Specification ==
28 +Power Consumption: < 4uA.
69 69  
30 +Frequency Range: 150 MHz ~~ 960 MHz
70 70  
71 -* CPU: 32-bit 48 MHz
72 -* Flash: 256KB
73 -* RAM: 64KB
74 -* Input Power Range: 1.8v ~~ 3.7v
75 -* Power Consumption: < 4uA.
76 -* Frequency Range: 150 MHz ~~ 960 MHz
77 -* Maximum Power +22 dBm constant RF output
78 -* High sensitivity: -148 dBm
79 -* Temperature:
80 -** Storage: -55 ~~ +125℃
81 -** Operating: -40 ~~ +85℃
82 -* Humidity:
83 -** Storage: 5 ~~ 95% (Non-Condensing)
84 -** Operating: 10 ~~ 95% (Non-Condensing)
85 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
86 -* LoRa Rx current: <9 mA
87 -* I/O Voltage: 3.3v
32 +Maximum Power +22 dBm constant RF output
88 88  
89 -== 1.4  Pin Mapping & LED ==
34 +High sensitivity: -148 dBm
90 90  
36 +Temperature:
91 91  
92 -[[image:image-20220817085048-1.png||height="533" width="734"]]
38 +* Storage: -55 ~~ +125℃
39 +* Operating: -40 ~~ +85℃
93 93  
41 +Humidity:
94 94  
43 +* Storage: 5 ~~ 95% (Non-Condensing)
44 +* Operating: 10 ~~ 95% (Non-Condensing)
95 95  
96 -~1. The LED lights up red when there is an upstream data packet
97 -2. When the network is successfully connected, the green light will be on for 5 seconds
98 -3. Purple light on when receiving downlink data packets
46 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
99 99  
48 +LoRa Rx current: <9 mA
100 100  
101 -[[image:image-20220820112305-1.png||height="515" width="749"]]
50 +I/O Voltage: 3.3v
102 102  
103 103  
53 +== AT Command ==
104 104  
105 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
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.
106 106  
107 107  
108 -**Show connection diagram：**
58 +== Pin Mapping ==
109 109  
60 +[[image:image-20220523101537-1.png]]
110 110  
111 -[[image:image-20220723170210-2.png||height="908" width="681"]]
62 +== Land Pattern ==
112 112  
64 +[[image:image-20220517072821-2.png]]
113 113  
114 114  
115 -(% style="color:blue" %)**1.  open Arduino IDE**
67 +== Part Number ==
116 116  
69 +Part Number: **LA66-XXX**
117 117  
118 -[[image:image-20220723170545-4.png]]
71 +**XX**: The default frequency band
119 119  
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
120 120  
82 += LA66 LoRaWAN Shield =
121 121  
122 -(% style="color:blue" %)**2.  Open project**
84 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
123 123  
86 +== Pin Mapping & LED ==
124 124  
125 -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]]
88 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
126 126  
90 +== Example: Join TTN network and send an uplink message, get downlink message. ==
127 127  
128 -[[image:image-20220726135239-1.png]]
92 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
129 129  
94 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
130 130  
96 +=== what needs to be used ===
131 131  
132 -(% 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**
98 +1.LA66 LoRaWAN Shield that needs to be upgraded
133 133  
100 +2.Arduino
134 134  
135 -[[image:image-20220726135356-2.png]]
102 +3.USB TO TTL
136 136  
104 +[[image:image-20220602100052-2.png]]
137 137  
106 +=== Wiring Schematic ===
138 138  
139 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
108 +[[image:image-20220602101311-3.png]]
140 140  
110 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
141 141  
142 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
112 +GND  >>>>>>>>>>>>GND
143 143  
114 +TXD  >>>>>>>>>>>>TXD
144 144  
116 +RXD  >>>>>>>>>>>>RXD
145 145  
146 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
118 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
147 147  
120 +Connect to the PC after connecting the wires
148 148  
149 -(% style="color:blue" %)**1.  Open project**
122 +[[image:image-20220602102240-4.png]]
150 150  
124 +=== Upgrade steps ===
151 151  
152 -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]]
126 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
153 153  
128 +[[image:image-20220602102824-5.png]]
154 154  
155 -[[image:image-20220723172502-8.png]]
130 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
156 156  
132 +[[image:image-20220602104701-12.png]]
157 157  
134 +==== Open the upgrade application software ====
158 158  
159 -(% 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**
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/]]
160 160  
138 +[[image:image-20220602103227-6.png]]
161 161  
162 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
140 +[[image:image-20220602103357-7.png]]
163 163  
142 +===== Select the COM port corresponding to USB TTL =====
164 164  
144 +[[image:image-20220602103844-8.png]]
165 165  
166 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
146 +===== Select the bin file to burn =====
167 167  
148 +[[image:image-20220602104144-9.png]]
168 168  
169 -(% style="color:blue" %)**1.  Open project**
150 +[[image:image-20220602104251-10.png]]
170 170  
152 +[[image:image-20220602104402-11.png]]
171 171  
172 -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]]
154 +===== Click to start the download =====
173 173  
156 +[[image:image-20220602104923-13.png]]
174 174  
175 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
158 +===== The following figure appears to prove that the burning is in progress =====
176 176  
160 +[[image:image-20220602104948-14.png]]
177 177  
162 +===== The following picture appears to prove that the burning is successful =====
178 178  
179 -(% 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**
164 +[[image:image-20220602105251-15.png]]
180 180  
166 += LA66 USB LoRaWAN Adapter =
181 181  
182 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
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.
183 183  
170 +Before use, please make sure that the computer has installed the CP2102 driver
184 184  
172 +== Pin Mapping & LED ==
185 185  
174 +== Example Send & Get Messages via LoRaWAN in PC ==
186 186  
176 +Connect the LA66 LoRa Shield to the PC
187 187  
188 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
178 +[[image:image-20220602171217-1.png||height="615" width="915"]]
189 189  
180 +Open the serial port tool
190 190  
191 -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/]]
182 +[[image:image-20220602161617-8.png]]
192 192  
184 +[[image:image-20220602161718-9.png||height="529" width="927"]]
193 193  
194 -[[image:image-20220723175700-12.png||height="602" width="995"]]
186 +Press the reset switch RST on the LA66 LoRa Shield.
195 195  
188 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
196 196  
190 +[[image:image-20220602161935-10.png]]
197 197  
198 -== 1.8  Example: How to join helium ==
192 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
199 199  
194 +example: AT+SENDB=01,02,8,05820802581ea0a5
200 200  
201 -(% style="color:blue" %)**1.  Create a new device.**
196 +[[image:image-20220602162157-11.png]]
202 202  
198 +Check to see if TTN received the message
203 203  
204 -[[image:image-20220907165500-1.png||height="464" width="940"]]
200 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
205 205  
202 +== Example Send & Get Messages via LoRaWAN in RPi ==
206 206  
204 +Connect the LA66 LoRa Shield to the RPI
207 207  
208 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
206 +[[image:image-20220602171233-2.png||height="592" width="881"]]
209 209  
208 +Log in to the RPI's terminal and connect to the serial port
210 210  
211 -[[image:image-20220907165837-2.png||height="375" width="809"]]
210 +[[image:image-20220602153146-3.png]]
212 212  
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
213 213  
215 +[[image:image-20220602154928-5.png]]
214 214  
215 -(% style="color:blue" %)**3.  Use AT commands.**
217 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
216 216  
219 +example: AT+SENDB=01,02,8,05820802581ea0a5
217 217  
218 -[[image:image-20220602100052-2.png||height="385" width="600"]]
221 +[[image:image-20220602160339-6.png]]
219 219  
223 +Check to see if TTN received the message
220 220  
225 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
221 221  
222 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
227 +=== Install Minicom ===
223 223  
229 +Enter the following command in the RPI terminal
224 224  
225 -[[image:image-20220907170308-3.png||height="556" width="617"]]
231 +apt update
226 226  
233 +[[image:image-20220602143155-1.png]]
227 227  
235 +apt install minicom
228 228  
229 -(% style="color:blue" %)**5.  Network successfully.**
237 +[[image:image-20220602143744-2.png]]
230 230  
239 +=== Send PC's CPU/RAM usage to TTN via script. ===
231 231  
232 -[[image:image-20220907170436-4.png]]
241 +==== Take python as an example： ====
233 233  
243 +===== Preconditions: =====
234 234  
245 +1.LA66 USB LoRaWAN Adapter works fine
235 235  
236 -(% style="color:blue" %)**6.  Send uplink using command**
247 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
237 237  
249 +===== Steps for usage =====
238 238  
239 -[[image:image-20220912084334-1.png]]
251 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
240 240  
253 +2.Run the script and see the TTN
241 241  
242 -[[image:image-20220912084412-3.png]]
255 +[[image:image-20220602115852-3.png]]
243 243  
244 244  
245 245  
246 -[[image:image-20220907170744-6.png||height="242" width="798"]]
259 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
247 247  
248 248  
262 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
249 249  
250 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
251 -
252 -
253 -=== 1.9.1  Items needed for update ===
254 -
255 -
256 -1. LA66 LoRaWAN Shield
257 -1. Arduino
258 -1. USB TO TTL Adapter
259 -
260 -[[image:image-20220602100052-2.png||height="385" width="600"]]
261 -
262 -
263 -
264 -=== 1.9.2  Connection ===
265 -
266 -
267 -[[image:image-20220602101311-3.png||height="276" width="600"]]
268 -
269 -
270 -(((
271 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
272 -)))
273 -
274 -(((
275 -(% style="background-color:yellow" %)**GND  <-> GND
276 -TXD  <->  TXD
277 -RXD  <->  RXD**
278 -)))
279 -
280 -
281 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
282 -
283 -Connect USB TTL Adapter to PC after connecting the wires
284 -
285 -
286 -[[image:image-20220602102240-4.png||height="304" width="600"]]
287 -
288 -
289 -
290 -=== 1.9.3  Upgrade steps ===
291 -
292 -
293 -
294 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
295 -
296 -
297 -[[image:image-20220602102824-5.png||height="306" width="600"]]
298 -
299 -
300 -
301 -
302 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
303 -
304 -
305 -[[image:image-20220817085447-1.png]]
306 -
307 -
308 -
309 -
310 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
311 -
312 -
313 -
314 -(((
315 -(% 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]]**
316 -)))
317 -
318 -
319 -[[image:image-20220602103227-6.png]]
320 -
321 -
322 -[[image:image-20220602103357-7.png]]
323 -
324 -
325 -
326 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
327 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
328 -
329 -
330 -[[image:image-20220602103844-8.png]]
331 -
332 -
333 -
334 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
335 -(% style="color:blue" %)**3.  Select the bin file to burn**
336 -
337 -
338 -[[image:image-20220602104144-9.png]]
339 -
340 -
341 -[[image:image-20220602104251-10.png]]
342 -
343 -
344 -[[image:image-20220602104402-11.png]]
345 -
346 -
347 -
348 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
349 -(% style="color:blue" %)**4.  Click to start the download**
350 -
351 -
352 -[[image:image-20220602104923-13.png]]
353 -
354 -
355 -
356 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
357 -(% style="color:blue" %)**5.  Check update process**
358 -
359 -
360 -[[image:image-20220602104948-14.png]]
361 -
362 -
363 -
364 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
365 -(% style="color:blue" %)**The following picture shows that the burning is successful**
366 -
367 -
368 -[[image:image-20220602105251-15.png]]
369 -
370 -
371 -
372 -= 2.  FAQ =
373 -
374 -
375 -== 2.1  How to Compile Source Code for LA66? ==
376 -
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]]
379 -
380 -
381 -
382 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
383 -
384 -
385 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:.Instruction for LA66 Peer to Peer firmware.WebHome]]
386 -
387 -
388 -
389 -= 3.  Order Info =
390 -
391 -
392 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
393 -
394 -
395 -(% style="color:blue" %)**XXX**(%%): The default frequency band
396 -
397 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
398 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
399 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
400 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
401 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
402 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
403 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
404 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
405 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
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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