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Last modified by Xiaoling on 2023/05/26 14:19
From version 146.7
edited by Xiaoling
on 2022/08/16 14:19
Change comment: There is no comment for this version
To version 49.1
edited by Herong Lu
on 2022/06/02 15:49
Change comment: Uploaded new attachment "image-20220602154928-5.png", version {1}

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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
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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 v1.0.4 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 70  
71 -== 1.3  Specification ==
48 +== AT Command ==
72 72  
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.
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
91 91  
53 +== Pin Mapping ==
92 92  
55 +[[image:image-20220523101537-1.png]]
93 93  
57 +== Land Pattern ==
94 94  
95 -== 1.4  Pin Mapping & LED ==
59 +[[image:image-20220517072821-2.png]]
96 96  
97 97  
98 -[[image:image-20220814101457-1.png||height="553" width="761"]]
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  
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
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
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 -**Show connection diagram：**
81 +== Pin Mapping & LED ==
110 110  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
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  
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
115 115  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
91 +=== what needs to be used ===
117 117  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
118 118  
119 -[[image:image-20220723170545-4.png]]
95 +2.Arduino
120 120  
97 +3.USB TO TTL
121 121  
99 +[[image:image-20220602100052-2.png]]
122 122  
123 -(% style="color:blue" %)**2.  Open project**
101 +=== Wiring Schematic ===
124 124  
103 +[[image:image-20220602101311-3.png]]
125 125  
126 -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
127 127  
128 -[[image:image-20220726135239-1.png]]
107 +GND  >>>>>>>>>>>>GND
129 129  
109 +TXD  >>>>>>>>>>>>TXD
130 130  
131 -(% 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**
111 +RXD  >>>>>>>>>>>>RXD
132 132  
133 -[[image:image-20220726135356-2.png]]
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
134 134  
115 +Connect to the PC after connecting the wires
135 135  
136 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
117 +[[image:image-20220602102240-4.png]]
137 137  
119 +=== Upgrade steps ===
138 138  
139 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
140 140  
123 +[[image:image-20220602102824-5.png]]
141 141  
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
142 142  
143 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
127 +[[image:image-20220602104701-12.png]]
144 144  
129 +==== Open the upgrade application software ====
145 145  
146 -(% style="color:blue" %)**1.  Open project**
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/]]
147 147  
148 -
149 -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]]
150 -
151 -
152 -[[image:image-20220723172502-8.png]]
153 -
154 -
155 -
156 -(% 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**
157 -
158 -
159 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
160 -
161 -
162 -
163 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
164 -
165 -
166 -(% style="color:blue" %)**1.  Open project**
167 -
168 -
169 -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]]
170 -
171 -
172 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
173 -
174 -
175 -
176 -(% 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**
177 -
178 -
179 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
180 -
181 -
182 -
183 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
184 -
185 -For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
186 -
187 -[[image:image-20220723175700-12.png||height="602" width="995"]]
188 -
189 -
190 -
191 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
192 -
193 -
194 -=== 1.8.1  Items needed for update ===
195 -
196 -
197 -1. LA66 LoRaWAN Shield
198 -1. Arduino
199 -1. USB TO TTL Adapter
200 -
201 -[[image:image-20220602100052-2.png||height="385" width="600"]]
202 -
203 -
204 -
205 -=== 1.8.2  Connection ===
206 -
207 -
208 -[[image:image-20220602101311-3.png||height="276" width="600"]]
209 -
210 -
211 -(((
212 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
213 -)))
214 -
215 -(((
216 -(% style="background-color:yellow" %)**GND  <-> GND
217 -TXD  <->  TXD
218 -RXD  <->  RXD**
219 -)))
220 -
221 -
222 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
223 -
224 -Connect USB TTL Adapter to PC after connecting the wires
225 -
226 -
227 -[[image:image-20220602102240-4.png||height="304" width="600"]]
228 -
229 -
230 -
231 -=== 2.8.3  Upgrade steps ===
232 -
233 -
234 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
235 -
236 -
237 -[[image:image-20220602102824-5.png||height="306" width="600"]]
238 -
239 -
240 -
241 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
242 -
243 -
244 -[[image:image-20220602104701-12.png||height="285" width="600"]]
245 -
246 -
247 -
248 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
249 -
250 -
251 -(((
252 -(% style="color:blue" %)**1. 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/]]**
253 -)))
254 -
255 -
256 256  [[image:image-20220602103227-6.png]]
257 257  
258 -
259 259  [[image:image-20220602103357-7.png]]
260 260  
137 +===== Select the COM port corresponding to USB TTL =====
261 261  
262 -
263 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
264 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
265 -
266 -
267 267  [[image:image-20220602103844-8.png]]
268 268  
141 +===== Select the bin file to burn =====
269 269  
270 -
271 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
272 -(% style="color:blue" %)**3. Select the bin file to burn**
273 -
274 -
275 275  [[image:image-20220602104144-9.png]]
276 276  
277 -
278 278  [[image:image-20220602104251-10.png]]
279 279  
280 -
281 281  [[image:image-20220602104402-11.png]]
282 282  
149 +===== Click to start the download =====
283 283  
151 +[[image:image-20220602104923-13.png]]
284 284  
285 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
286 -(% style="color:blue" %)**4. Click to start the download**
153 +===== The following figure appears to prove that the burning is in progress =====
287 287  
288 -[[image:image-20220602104923-13.png]]
155 +[[image:image-20220602104948-14.png]]
289 289  
157 +===== The following picture appears to prove that the burning is successful =====
290 290  
159 +[[image:image-20220602105251-15.png]]
291 291  
292 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
293 -(% style="color:blue" %)**5. Check update process**
161 += LA66 USB LoRaWAN Adapter =
294 294  
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.
295 295  
296 -[[image:image-20220602104948-14.png]]
165 +== Pin Mapping & LED ==
297 297  
167 +== Example Send & Get Messages via LoRaWAN in PC ==
298 298  
169 +== Example Send & Get Messages via LoRaWAN in RPi ==
299 299  
300 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
301 -(% style="color:blue" %)**The following picture shows that the burning is successful**
171 +=== Install USB Driver ===
302 302  
303 -[[image:image-20220602105251-15.png]]
173 +Download Link:[[click here>>attach:CP210x_Universal_Windows_Driver.zip]]
304 304  
175 +=== Install Minicom ===
305 305  
177 +Enter the following command in the RPI terminal
306 306  
307 -= 2.  FAQ =
179 +apt update
308 308  
181 +[[image:image-20220602143155-1.png]]
309 309  
310 -== 2.1  How to Compile Source Code for LA66? ==
183 +apt install minicom
311 311  
185 +[[image:image-20220602143744-2.png]]
312 312  
313 -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. ===
314 314  
189 +=== Send PC's CPU/RAM usage to TTN via script. ===
315 315  
191 +==== Take python as an example： ====
316 316  
317 -= 3.  Order Info =
193 +===== Preconditions: =====
318 318  
195 +1.LA66 LoRa Shield works fine
319 319  
320 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
197 +2.LA66 LoRa Shield is registered with TTN
321 321  
199 +===== Steps for usage =====
322 322  
323 -(% 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
324 324  
325 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
326 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
327 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
328 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
329 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
330 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
331 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
332 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
333 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
203 +[[image:image-20220602114148-1.png]]
334 334  
205 +2.Run the script and see the TTN
335 335  
207 +[[image:image-20220602115852-3.png]]
336 336  
337 337  
338 -= 4.  Reference =
339 339  
211 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
340 340  
341 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
213 +
214 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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