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Last modified by Xiaoling on 2023/05/26 14:19
From version 151.3
edited by Xiaoling
on 2022/08/22 16:15
Change comment: There is no comment for this version
To version 50.1
edited by Herong Lu
on 2022/06/02 16:03
Change comment: Uploaded new attachment "image-20220602160339-6.png", version {1}

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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
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  
45 +I/O Voltage: 3.3v
69 69  
70 -== 1.3  Specification ==
71 71  
48 +== AT Command ==
72 72  
73 -* CPU: 32-bit 48 MHz
74 -* Flash: 256KB
75 -* RAM: 64KB
76 -* Input Power Range: 1.8v ~~ 3.7v
77 -* Power Consumption: < 4uA.
78 -* Frequency Range: 150 MHz ~~ 960 MHz
79 -* Maximum Power +22 dBm constant RF output
80 -* High sensitivity: -148 dBm
81 -* Temperature:
82 -** Storage: -55 ~~ +125℃
83 -** Operating: -40 ~~ +85℃
84 -* Humidity:
85 -** Storage: 5 ~~ 95% (Non-Condensing)
86 -** Operating: 10 ~~ 95% (Non-Condensing)
87 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
88 -* LoRa Rx current: <9 mA
89 -* I/O Voltage: 3.3v
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 91  
53 +== Pin Mapping ==
92 92  
93 -== 1.4  Pin Mapping & LED ==
55 +[[image:image-20220523101537-1.png]]
94 94  
57 +== Land Pattern ==
95 95  
96 -[[image:image-20220817085048-1.png||height="533" width="734"]]
59 +[[image:image-20220517072821-2.png]]
97 97  
98 98  
62 +== Part Number ==
99 99  
100 -~1. The LED lights up red when there is an upstream data packet
101 -2. When the network is successfully connected, the green light will be on for 5 seconds
102 -3. Purple light on when receiving downlink data packets
64 +Part Number: **LA66-XXX**
103 103  
66 +**XX**: The default frequency band
104 104  
105 -[[image:image-20220820112305-1.png||height="515" width="749"]]
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  
77 += LA66 LoRaWAN Shield =
107 107  
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
108 108  
109 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
81 +== Pin Mapping & LED ==
110 110  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
111 111  
112 -**Show connection diagram：**
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
113 113  
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
114 114  
115 -[[image:image-20220723170210-2.png||height="908" width="681"]]
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
116 116  
91 +=== what needs to be used ===
117 117  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
118 118  
119 -(% style="color:blue" %)**1.  open Arduino IDE**
95 +2.Arduino
120 120  
97 +3.USB TO TTL
121 121  
122 -[[image:image-20220723170545-4.png]]
99 +[[image:image-20220602100052-2.png]]
123 123  
101 +=== Wiring Schematic ===
124 124  
103 +[[image:image-20220602101311-3.png]]
125 125  
126 -(% style="color:blue" %)**2.  Open project**
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
127 127  
107 +GND  >>>>>>>>>>>>GND
128 128  
129 -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]]
109 +TXD  >>>>>>>>>>>>TXD
130 130  
111 +RXD  >>>>>>>>>>>>RXD
131 131  
132 -[[image:image-20220726135239-1.png]]
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
133 133  
115 +Connect to the PC after connecting the wires
134 134  
117 +[[image:image-20220602102240-4.png]]
135 135  
136 -(% 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**
119 +=== Upgrade steps ===
137 137  
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
138 138  
139 -[[image:image-20220726135356-2.png]]
123 +[[image:image-20220602102824-5.png]]
140 140  
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
141 141  
127 +[[image:image-20220602104701-12.png]]
142 142  
143 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
129 +==== Open the upgrade application software ====
144 144  
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/]]
145 145  
146 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
147 -
148 -
149 -
150 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
151 -
152 -
153 -(% style="color:blue" %)**1.  Open project**
154 -
155 -
156 -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]]
157 -
158 -
159 -[[image:image-20220723172502-8.png]]
160 -
161 -
162 -
163 -(% 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 -
165 -
166 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
167 -
168 -
169 -
170 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
171 -
172 -
173 -(% style="color:blue" %)**1.  Open project**
174 -
175 -
176 -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]]
177 -
178 -
179 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
180 -
181 -
182 -
183 -(% 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**
184 -
185 -
186 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
187 -
188 -
189 -
190 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
191 -
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/]]
194 -
195 -
196 -[[image:image-20220723175700-12.png||height="602" width="995"]]
197 -
198 -
199 -
200 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
201 -
202 -
203 -=== 1.8.1  Items needed for update ===
204 -
205 -
206 -1. LA66 LoRaWAN Shield
207 -1. Arduino
208 -1. USB TO TTL Adapter
209 -
210 -
211 -[[image:image-20220602100052-2.png||height="385" width="600"]]
212 -
213 -
214 -
215 -=== 1.8.2  Connection ===
216 -
217 -
218 -[[image:image-20220602101311-3.png||height="276" width="600"]]
219 -
220 -
221 -(((
222 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
223 -)))
224 -
225 -(((
226 -(% style="background-color:yellow" %)**GND  <-> GND
227 -TXD  <->  TXD
228 -RXD  <->  RXD**
229 -)))
230 -
231 -
232 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
233 -
234 -Connect USB TTL Adapter to PC after connecting the wires
235 -
236 -
237 -[[image:image-20220602102240-4.png||height="304" width="600"]]
238 -
239 -
240 -
241 -=== 1.8.3  Upgrade steps ===
242 -
243 -
244 -
245 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
246 -
247 -
248 -[[image:image-20220602102824-5.png||height="306" width="600"]]
249 -
250 -
251 -
252 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
253 -
254 -
255 -[[image:image-20220817085447-1.png]]
256 -
257 -
258 -
259 -
260 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
261 -
262 -
263 -(((
264 -(% 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]]**
265 -)))
266 -
267 -
268 268  [[image:image-20220602103227-6.png]]
269 269  
270 -
271 271  [[image:image-20220602103357-7.png]]
272 272  
137 +===== Select the COM port corresponding to USB TTL =====
273 273  
274 -
275 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
276 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
277 -
278 -
279 279  [[image:image-20220602103844-8.png]]
280 280  
141 +===== Select the bin file to burn =====
281 281  
282 -
283 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
284 -(% style="color:blue" %)**3. Select the bin file to burn**
285 -
286 -
287 287  [[image:image-20220602104144-9.png]]
288 288  
289 -
290 290  [[image:image-20220602104251-10.png]]
291 291  
292 -
293 293  [[image:image-20220602104402-11.png]]
294 294  
149 +===== Click to start the download =====
295 295  
151 +[[image:image-20220602104923-13.png]]
296 296  
297 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
298 -(% style="color:blue" %)**4. Click to start the download**
153 +===== The following figure appears to prove that the burning is in progress =====
299 299  
300 -[[image:image-20220602104923-13.png]]
155 +[[image:image-20220602104948-14.png]]
301 301  
157 +===== The following picture appears to prove that the burning is successful =====
302 302  
159 +[[image:image-20220602105251-15.png]]
303 303  
304 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
305 -(% style="color:blue" %)**5. Check update process**
161 += LA66 USB LoRaWAN Adapter =
306 306  
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.
307 307  
308 -[[image:image-20220602104948-14.png]]
165 +== Pin Mapping & LED ==
309 309  
167 +== Example Send & Get Messages via LoRaWAN in PC ==
310 310  
169 +== Example Send & Get Messages via LoRaWAN in RPi ==
311 311  
312 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
313 -(% style="color:blue" %)**The following picture shows that the burning is successful**
171 +=== Install USB Driver ===
314 314  
315 -[[image:image-20220602105251-15.png]]
173 +Download Link:[[click here>>attach:CP210x_Universal_Windows_Driver.zip]]
316 316  
175 +=== Install Minicom ===
317 317  
177 +Enter the following command in the RPI terminal
318 318  
319 -= 2.  FAQ =
179 +apt update
320 320  
181 +[[image:image-20220602143155-1.png]]
321 321  
322 -== 2.1  How to Compile Source Code for LA66? ==
183 +apt install minicom
323 323  
185 +[[image:image-20220602143744-2.png]]
324 324  
325 -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]]
187 +=== Use AT Command to send an uplink message. ===
326 326  
189 +=== Send PC's CPU/RAM usage to TTN via script. ===
327 327  
191 +==== Take python as an example： ====
328 328  
329 -= 3.  Order Info =
193 +===== Preconditions: =====
330 330  
195 +1.LA66 LoRa Shield works fine
331 331  
332 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
197 +2.LA66 LoRa Shield is registered with TTN
333 333  
199 +===== Steps for usage =====
334 334  
335 -(% style="color:blue" %)**XXX**(%%): The default frequency band
201 +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
336 336  
337 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
338 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
339 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
340 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
341 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
342 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
343 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
344 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
345 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
203 +[[image:image-20220602114148-1.png]]
346 346  
205 +2.Run the script and see the TTN
347 347  
207 +[[image:image-20220602115852-3.png]]
348 348  
349 -= 4.  Reference =
350 350  
351 351  
352 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
211 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
353 353  
354 -
213 +
214 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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