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Last modified by Xiaoling on 2023/05/26 14:19
From version 151.4
edited by Xiaoling
on 2022/08/22 16:16
Change comment: There is no comment for this version
To version 63.1
edited by Herong Lu
on 2022/06/02 17:23
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.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"]]
133 +[[image:image-20220602103227-6.png]]
147 147  
135 +[[image:image-20220602103357-7.png]]
148 148  
137 +===== Select the COM port corresponding to USB TTL =====
149 149  
150 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
139 +[[image:image-20220602103844-8.png]]
151 151  
141 +===== Select the bin file to burn =====
152 152  
153 -(% style="color:blue" %)**1.  Open project**
143 +[[image:image-20220602104144-9.png]]
154 154  
145 +[[image:image-20220602104251-10.png]]
155 155  
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]]
147 +[[image:image-20220602104402-11.png]]
157 157  
149 +===== Click to start the download =====
158 158  
159 -[[image:image-20220723172502-8.png]]
151 +[[image:image-20220602104923-13.png]]
160 160  
153 +===== The following figure appears to prove that the burning is in progress =====
161 161  
155 +[[image:image-20220602104948-14.png]]
162 162  
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**
157 +===== The following picture appears to prove that the burning is successful =====
164 164  
159 +[[image:image-20220602105251-15.png]]
165 165  
166 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
161 += LA66 USB LoRaWAN Adapter =
167 167  
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.
168 168  
165 +Before use, please make sure that the computer has installed the CP2102 driver
169 169  
170 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
167 +== Pin Mapping & LED ==
171 171  
169 +== Example Send & Get Messages via LoRaWAN in PC ==
172 172  
173 -(% style="color:blue" %)**1.  Open project**
171 +Connect the LA66 LoRa Shield to the PC
174 174  
173 +[[image:image-20220602171217-1.png||height="615" width="915"]]
175 175  
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]]
175 +Open the serial port tool
177 177  
177 +[[image:image-20220602161617-8.png]]
178 178  
179 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
179 +[[image:image-20220602161718-9.png||height="529" width="927"]]
180 180  
181 +Press the reset switch RST on the LA66 LoRa Shield.
181 181  
183 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
182 182  
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**
185 +[[image:image-20220602161935-10.png]]
184 184  
187 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
185 185  
186 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
189 +example: AT+SENDB=01,02,8,05820802581ea0a5
187 187  
191 +[[image:image-20220602162157-11.png]]
188 188  
193 +Check to see if TTN received the message
189 189  
190 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
195 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
191 191  
197 +== Example Send & Get Messages via LoRaWAN in RPi ==
192 192  
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/]]
199 +Connect the LA66 LoRa Shield to the RPI
194 194  
201 +[[image:image-20220602171233-2.png||height="592" width="881"]]
195 195  
196 -[[image:image-20220723175700-12.png||height="602" width="995"]]
203 +Log in to the RPI's terminal and connect to the serial port
197 197  
205 +[[image:image-20220602153146-3.png]]
198 198  
207 +Press the reset switch RST on the LA66 LoRa Shield.
208 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
199 199  
200 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
210 +[[image:image-20220602154928-5.png]]
201 201  
212 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
202 202  
203 -=== 1.8.1  Items needed for update ===
214 +example: AT+SENDB=01,02,8,05820802581ea0a5
204 204  
216 +[[image:image-20220602160339-6.png]]
205 205  
206 -1. LA66 LoRaWAN Shield
207 -1. Arduino
208 -1. USB TO TTL Adapter
218 +Check to see if TTN received the message
209 209  
220 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
210 210  
211 -[[image:image-20220602100052-2.png||height="385" width="600"]]
222 +=== Install Minicom ===
212 212  
224 +Enter the following command in the RPI terminal
213 213  
226 +apt update
214 214  
215 -=== 1.8.2  Connection ===
228 +[[image:image-20220602143155-1.png]]
216 216  
230 +apt install minicom
217 217  
218 -[[image:image-20220602101311-3.png||height="276" width="600"]]
232 +[[image:image-20220602143744-2.png]]
219 219  
234 +=== Send PC's CPU/RAM usage to TTN via script. ===
220 220  
221 -(((
222 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
223 -)))
236 +==== Take python as an example： ====
224 224  
225 -(((
226 -(% style="background-color:yellow" %)**GND  <-> GND
227 -TXD  <->  TXD
228 -RXD  <->  RXD**
229 -)))
238 +===== Preconditions: =====
230 230  
240 +1.LA66 USB LoRaWAN Adapter works fine
231 231  
232 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
242 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
233 233  
234 -Connect USB TTL Adapter to PC after connecting the wires
244 +===== Steps for usage =====
235 235  
246 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
236 236  
237 -[[image:image-20220602102240-4.png||height="304" width="600"]]
248 +2.Run the script and see the TTN
238 238  
250 +[[image:image-20220602115852-3.png]]
239 239  
240 240  
241 -=== 1.8.3  Upgrade steps ===
242 242  
254 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
243 243  
244 244  
245 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
257 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
246 246  
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 -[[image:image-20220602103227-6.png]]
269 -
270 -
271 -[[image:image-20220602103357-7.png]]
272 -
273 -
274 -
275 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
276 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
277 -
278 -
279 -[[image:image-20220602103844-8.png]]
280 -
281 -
282 -
283 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
284 -(% style="color:blue" %)**3. Select the bin file to burn**
285 -
286 -
287 -[[image:image-20220602104144-9.png]]
288 -
289 -
290 -[[image:image-20220602104251-10.png]]
291 -
292 -
293 -[[image:image-20220602104402-11.png]]
294 -
295 -
296 -
297 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
298 -(% style="color:blue" %)**4. Click to start the download**
299 -
300 -
301 -[[image:image-20220602104923-13.png]]
302 -
303 -
304 -
305 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
306 -(% style="color:blue" %)**5. Check update process**
307 -
308 -
309 -[[image:image-20220602104948-14.png]]
310 -
311 -
312 -
313 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
314 -(% style="color:blue" %)**The following picture shows that the burning is successful**
315 -
316 -
317 -[[image:image-20220602105251-15.png]]
318 -
319 -
320 -
321 -= 2.  FAQ =
322 -
323 -
324 -== 2.1  How to Compile Source Code for LA66? ==
325 -
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]]
328 -
329 -
330 -
331 -= 3.  Order Info =
332 -
333 -
334 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
335 -
336 -
337 -(% style="color:blue" %)**XXX**(%%): The default frequency band
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
348 -
349 -
350 -
351 -
352 -= 4.  Reference =
353 -
354 -
355 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
356 -
357 357  
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