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Last modified by Xiaoling on 2023/05/26 14:19
From version 158.1
edited by Bei Jinggeng
on 2022/09/07 17:07
Change comment: Uploaded new attachment "image-20220907170744-6.png", version {1}
To version 51.1
edited by Herong Lu
on 2022/06/02 16:06
Change comment: Uploaded new attachment "image-20220602160627-7.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.Bei
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/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
128 128  
107 +GND  >>>>>>>>>>>>GND
129 129  
130 -[[image:image-20220726135239-1.png]]
109 +TXD  >>>>>>>>>>>>TXD
131 131  
111 +RXD  >>>>>>>>>>>>RXD
132 132  
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
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**
115 +Connect to the PC after connecting the wires
135 135  
117 +[[image:image-20220602102240-4.png]]
136 136  
137 -[[image:image-20220726135356-2.png]]
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  
123 +[[image:image-20220602102824-5.png]]
140 140  
141 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
142 142  
127 +[[image:image-20220602104701-12.png]]
143 143  
144 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
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 -
148 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
149 -
150 -
151 -(% style="color:blue" %)**1.  Open project**
152 -
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]]
155 -
156 -
157 -[[image:image-20220723172502-8.png]]
158 -
159 -
160 -
161 -(% 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**
162 -
163 -
164 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
165 -
166 -
167 -
168 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
169 -
170 -
171 -(% style="color:blue" %)**1.  Open project**
172 -
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]]
175 -
176 -
177 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
178 -
179 -
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 -
183 -
184 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
185 -
186 -
187 -LA66~-~-node-red~-~-decoder:[[dragino-end-node-decoder/Node-RED at main · dragino/dragino-end-node-decoder · GitHub>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED]]
188 -
189 -
190 -
191 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
192 -
193 -
194 -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/]]
195 -
196 -
197 -[[image:image-20220723175700-12.png||height="602" width="995"]]
198 -
199 -
200 -
201 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
202 -
203 -
204 -=== 1.8.1  Items needed for update ===
205 -
206 -
207 -1. LA66 LoRaWAN Shield
208 -1. Arduino
209 -1. USB TO TTL Adapter
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  
155 +[[image:image-20220602104948-14.png]]
300 300  
301 -[[image:image-20220602104923-13.png]]
157 +===== The following picture appears to prove that the burning is successful =====
302 302  
159 +[[image:image-20220602105251-15.png]]
303 303  
161 += LA66 USB LoRaWAN Adapter =
304 304  
305 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
306 -(% style="color:blue" %)**5. Check update process**
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  
165 +== Pin Mapping & LED ==
308 308  
309 -[[image:image-20220602104948-14.png]]
167 +== Example Send & Get Messages via LoRaWAN in PC ==
310 310  
169 +== Example Send & Get Messages via LoRaWAN in RPi ==
311 311  
171 +=== Install USB Driver ===
312 312  
313 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
314 -(% style="color:blue" %)**The following picture shows that the burning is successful**
173 +Download Link:[[click here>>attach:CP210x_Universal_Windows_Driver.zip]]
315 315  
175 +=== Install Minicom ===
316 316  
317 -[[image:image-20220602105251-15.png]]
177 +Enter the following command in the RPI terminal
318 318  
179 +apt update
319 319  
181 +[[image:image-20220602143155-1.png]]
320 320  
321 -= 2.  FAQ =
183 +apt install minicom
322 322  
185 +[[image:image-20220602143744-2.png]]
323 323  
324 -== 2.1  How to Compile Source Code for LA66? ==
187 +=== Use AT Command to send an uplink message. ===
325 325  
189 +=== Send PC's CPU/RAM usage to TTN via script. ===
326 326  
327 -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]]
191 +==== Take python as an example： ====
328 328  
193 +===== Preconditions: =====
329 329  
195 +1.LA66 LoRa Shield works fine
330 330  
331 -= 3.  Order Info =
197 +2.LA66 LoRa Shield is registered with TTN
332 332  
199 +===== Steps for usage =====
333 333  
334 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
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
335 335  
203 +[[image:image-20220602114148-1.png]]
336 336  
337 -(% style="color:blue" %)**XXX**(%%): The default frequency band
205 +2.Run the script and see the TTN
338 338  
339 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
340 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
341 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
342 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
343 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
344 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
345 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
346 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
347 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
207 +[[image:image-20220602115852-3.png]]
348 348  
349 349  
350 350  
351 -= 4.  Reference =
211 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
352 352  
353 353  
354 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
355 -
356 -
214 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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