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Last modified by Xiaoling on 2023/05/26 14:19
From version 146.8
edited by Xiaoling
on 2022/08/16 14:21
Change comment: There is no comment for this version
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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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Lu
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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 -== 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-20220814101457-1.png||height="553" width="761"]]
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  
64 +Part Number: **LA66-XXX**
103 103  
104 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
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 -**Show connection diagram：**
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 -[[image:image-20220723170210-2.png||height="908" width="681"]]
81 +== Pin Mapping & LED ==
111 111  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
112 112  
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
113 113  
114 -(% style="color:blue" %)**1.  open Arduino IDE**
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 -[[image:image-20220723170545-4.png]]
91 +=== what needs to be used ===
118 118  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
119 119  
95 +2.Arduino
120 120  
121 -(% style="color:blue" %)**2.  Open project**
97 +3.USB TO TTL
122 122  
99 +[[image:image-20220602100052-2.png]]
123 123  
124 -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]]
101 +=== Wiring Schematic ===
125 125  
126 -[[image:image-20220726135239-1.png]]
103 +[[image:image-20220602101311-3.png]]
127 127  
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
128 128  
129 -(% 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**
107 +GND  >>>>>>>>>>>>GND
130 130  
131 -[[image:image-20220726135356-2.png]]
109 +TXD  >>>>>>>>>>>>TXD
132 132  
111 +RXD  >>>>>>>>>>>>RXD
133 133  
134 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
135 135  
115 +Connect to the PC after connecting the wires
136 136  
137 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
117 +[[image:image-20220602102240-4.png]]
138 138  
119 +=== Upgrade steps ===
139 139  
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
140 140  
141 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
123 +[[image:image-20220602102824-5.png]]
142 142  
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
143 143  
144 -(% style="color:blue" %)**1.  Open project**
127 +[[image:image-20220602104701-12.png]]
145 145  
129 +==== Open the upgrade application software ====
146 146  
147 -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]]
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/]]
148 148  
149 -
150 -[[image:image-20220723172502-8.png]]
151 -
152 -
153 -
154 -(% 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**
155 -
156 -
157 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
158 -
159 -
160 -
161 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
162 -
163 -
164 -(% style="color:blue" %)**1.  Open project**
165 -
166 -
167 -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]]
168 -
169 -
170 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
171 -
172 -
173 -
174 -(% 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**
175 -
176 -
177 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
178 -
179 -
180 -
181 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
182 -
183 -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/]]
184 -
185 -[[image:image-20220723175700-12.png||height="602" width="995"]]
186 -
187 -
188 -
189 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
190 -
191 -
192 -=== 1.8.1  Items needed for update ===
193 -
194 -
195 -1. LA66 LoRaWAN Shield
196 -1. Arduino
197 -1. USB TO TTL Adapter
198 -
199 -[[image:image-20220602100052-2.png||height="385" width="600"]]
200 -
201 -
202 -
203 -=== 1.8.2  Connection ===
204 -
205 -
206 -[[image:image-20220602101311-3.png||height="276" width="600"]]
207 -
208 -
209 -(((
210 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
211 -)))
212 -
213 -(((
214 -(% style="background-color:yellow" %)**GND  <-> GND
215 -TXD  <->  TXD
216 -RXD  <->  RXD**
217 -)))
218 -
219 -
220 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
221 -
222 -Connect USB TTL Adapter to PC after connecting the wires
223 -
224 -
225 -[[image:image-20220602102240-4.png||height="304" width="600"]]
226 -
227 -
228 -
229 -=== 1.8.3  Upgrade steps ===
230 -
231 -
232 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
233 -
234 -
235 -[[image:image-20220602102824-5.png||height="306" width="600"]]
236 -
237 -
238 -
239 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
240 -
241 -
242 -[[image:image-20220602104701-12.png||height="285" width="600"]]
243 -
244 -
245 -
246 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
247 -
248 -
249 -(((
250 -(% 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/]]**
251 -)))
252 -
253 -
254 254  [[image:image-20220602103227-6.png]]
255 255  
256 -
257 257  [[image:image-20220602103357-7.png]]
258 258  
137 +===== Select the COM port corresponding to USB TTL =====
259 259  
260 -
261 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
262 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
263 -
264 -
265 265  [[image:image-20220602103844-8.png]]
266 266  
141 +===== Select the bin file to burn =====
267 267  
268 -
269 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
270 -(% style="color:blue" %)**3. Select the bin file to burn**
271 -
272 -
273 273  [[image:image-20220602104144-9.png]]
274 274  
275 -
276 276  [[image:image-20220602104251-10.png]]
277 277  
278 -
279 279  [[image:image-20220602104402-11.png]]
280 280  
149 +===== Click to start the download =====
281 281  
151 +[[image:image-20220602104923-13.png]]
282 282  
283 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
284 -(% style="color:blue" %)**4. Click to start the download**
153 +===== The following figure appears to prove that the burning is in progress =====
285 285  
286 -[[image:image-20220602104923-13.png]]
155 +[[image:image-20220602104948-14.png]]
287 287  
157 +===== The following picture appears to prove that the burning is successful =====
288 288  
159 +[[image:image-20220602105251-15.png]]
289 289  
290 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
291 -(% style="color:blue" %)**5. Check update process**
161 += LA66 USB LoRaWAN Adapter =
292 292  
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.
293 293  
294 -[[image:image-20220602104948-14.png]]
165 +== Pin Mapping & LED ==
295 295  
167 +== Example Send & Get Messages via LoRaWAN in PC ==
296 296  
169 +== Example Send & Get Messages via LoRaWAN in RPi ==
297 297  
298 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
299 -(% style="color:blue" %)**The following picture shows that the burning is successful**
171 +=== Install USB Driver ===
300 300  
301 -[[image:image-20220602105251-15.png]]
173 +Download Link:[[click here>>attach:CP210x_Universal_Windows_Driver.zip]]
302 302  
175 +=== Install Minicom ===
303 303  
177 +Enter the following command in the RPI terminal
304 304  
305 -= 2.  FAQ =
179 +apt update
306 306  
181 +[[image:image-20220602143155-1.png]]
307 307  
308 -== 2.1  How to Compile Source Code for LA66? ==
183 +apt install minicom
309 309  
185 +[[image:image-20220602143744-2.png]]
310 310  
311 -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. ===
312 312  
189 +=== Send PC's CPU/RAM usage to TTN via script. ===
313 313  
191 +==== Take python as an example： ====
314 314  
315 -= 3.  Order Info =
193 +===== Preconditions: =====
316 316  
195 +1.LA66 LoRa Shield works fine
317 317  
318 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
197 +2.LA66 LoRa Shield is registered with TTN
319 319  
199 +===== Steps for usage =====
320 320  
321 -(% 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
322 322  
323 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
324 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
325 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
326 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
327 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
328 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
329 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
330 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
331 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
203 +[[image:image-20220602114148-1.png]]
332 332  
205 +2.Run the script and see the TTN
333 333  
207 +[[image:image-20220602115852-3.png]]
334 334  
335 -= 4.  Reference =
336 336  
337 337  
338 -* 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. ==
212 +
213 +
214 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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