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Last modified by Xiaoling on 2023/05/26 14:19
From version 65.1
edited by Edwin Chen
on 2022/07/02 23:30
Change comment: There is no comment for this version
To version 160.1
edited by Bei Jinggeng
on 2022/09/09 14:59
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Shield User Manual
Author
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1 -XWiki.Edwin
1 +XWiki.Bei
Content
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +
2 +
3 +**Table of Contents:**
4 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
6 6  
7 -== What is LA66 LoRaWAN Module ==
8 8  
9 -(% style="color:blue" %)**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 LoRaWAN 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 create and connect your things everywhere.
10 10  
11 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 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.
10 += 1.  LA66 LoRaWAN Shield =
12 12  
12 +
13 +== 1.1  Overview ==
14 +
15 +
16 +(((
17 +[[image:image-20220715000826-2.png||height="145" width="220"]]
18 +)))
19 +
20 +(((
21 +
22 +)))
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 +)))
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 +)))
33 +
34 +(((
35 +(((
13 13  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
38 +)))
14 14  
40 +(((
41 +(((
15 15  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 +)))
16 16  
46 +(((
47 +(((
17 17  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 +)))
50 +)))
18 18  
19 -== Features ==
20 20  
21 21  
22 -== Specification ==
54 +== 1.2  Features ==
23 23  
24 -[[image:image-20220517072526-1.png]]
25 25  
26 -Input Power Range: 1.8v ~~ 3.7v
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
27 27  
28 -Power Consumption: < 4uA.
68 +== 1.3  Specification ==
29 29  
30 -Frequency Range: 150 MHz ~~ 960 MHz
31 31  
32 -Maximum Power +22 dBm constant RF output
71 +* CPU: 32-bit 48 MHz
72 +* Flash: 256KB
73 +* RAM: 64KB
74 +* Input Power Range: 1.8v ~~ 3.7v
75 +* Power Consumption: < 4uA.
76 +* Frequency Range: 150 MHz ~~ 960 MHz
77 +* Maximum Power +22 dBm constant RF output
78 +* High sensitivity: -148 dBm
79 +* Temperature:
80 +** Storage: -55 ~~ +125℃
81 +** Operating: -40 ~~ +85℃
82 +* Humidity:
83 +** Storage: 5 ~~ 95% (Non-Condensing)
84 +** Operating: 10 ~~ 95% (Non-Condensing)
85 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
86 +* LoRa Rx current: <9 mA
87 +* I/O Voltage: 3.3v
33 33  
34 -High sensitivity: -148 dBm
89 +== 1.4  Pin Mapping & LED ==
35 35  
36 -Temperature:
37 37  
38 -* Storage: -55 ~~ +125℃
39 -* Operating: -40 ~~ +85℃
92 +[[image:image-20220817085048-1.png||height="533" width="734"]]
40 40  
41 -Humidity:
42 42  
43 -* Storage: 5 ~~ 95% (Non-Condensing)
44 -* Operating: 10 ~~ 95% (Non-Condensing)
45 45  
46 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
96 +~1. The LED lights up red when there is an upstream data packet
97 +2. When the network is successfully connected, the green light will be on for 5 seconds
98 +3. Purple light on when receiving downlink data packets
47 47  
48 -LoRa Rx current: <9 mA
49 49  
50 -I/O Voltage: 3.3v
101 +[[image:image-20220820112305-1.png||height="515" width="749"]]
51 51  
52 52  
53 -== AT Command ==
54 54  
55 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
105 +== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
56 56  
57 57  
58 -== Pin Mapping ==
108 +**Show connection diagram：**
59 59  
60 -[[image:image-20220523101537-1.png]]
61 61  
62 -== Land Pattern ==
111 +[[image:image-20220723170210-2.png||height="908" width="681"]]
63 63  
64 -[[image:image-20220517072821-2.png]]
65 65  
66 66  
67 -== Part Number ==
115 +(% style="color:blue" %)**1.  open Arduino IDE**
68 68  
69 -Part Number: **LA66-XXX**
70 70  
71 -**XX**: The default frequency band
118 +[[image:image-20220723170545-4.png]]
72 72  
73 -* **AS923**: LoRaWAN AS923 band
74 -* **AU915**: LoRaWAN AU915 band
75 -* **EU433**: LoRaWAN EU433 band
76 -* **EU868**: LoRaWAN EU868 band
77 -* **KR920**: LoRaWAN KR920 band
78 -* **US915**: LoRaWAN US915 band
79 -* **IN865**: LoRaWAN IN865 band
80 -* **CN470**: LoRaWAN CN470 band
81 81  
82 -= LA66 LoRaWAN Shield =
83 83  
84 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
122 +(% style="color:blue" %)**2.  Open project**
85 85  
86 -== Pin Mapping & LED ==
87 87  
88 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
125 +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]]
89 89  
90 -== Example: Join TTN network and send an uplink message, get downlink message. ==
91 91  
92 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
128 +[[image:image-20220726135239-1.png]]
93 93  
94 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
95 95  
96 -=== what needs to be used ===
97 97  
98 -1.LA66 LoRaWAN Shield that needs to be upgraded
132 +(% 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**
99 99  
100 -2.Arduino
101 101  
102 -3.USB TO TTL
135 +[[image:image-20220726135356-2.png]]
103 103  
104 -[[image:image-20220602100052-2.png]]
105 105  
106 -=== Wiring Schematic ===
107 107  
108 -[[image:image-20220602101311-3.png]]
139 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
109 109  
110 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
111 111  
112 -GND  >>>>>>>>>>>>GND
142 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
113 113  
114 -TXD  >>>>>>>>>>>>TXD
115 115  
116 -RXD  >>>>>>>>>>>>RXD
117 117  
118 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
146 +== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
119 119  
120 -Connect to the PC after connecting the wires
121 121  
122 -[[image:image-20220602102240-4.png]]
149 +(% style="color:blue" %)**1.  Open project**
123 123  
124 -=== Upgrade steps ===
125 125  
126 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
152 +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]]
127 127  
128 -[[image:image-20220602102824-5.png]]
129 129  
130 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
155 +[[image:image-20220723172502-8.png]]
131 131  
132 -[[image:image-20220602104701-12.png]]
133 133  
134 -==== Open the upgrade application software ====
135 135  
136 -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/]]
159 +(% style="color:blue" %)**2.  Same steps as 1.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
137 137  
138 -[[image:image-20220602103227-6.png]]
139 139  
140 -[[image:image-20220602103357-7.png]]
162 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
141 141  
142 -===== Select the COM port corresponding to USB TTL =====
143 143  
144 -[[image:image-20220602103844-8.png]]
145 145  
146 -===== Select the bin file to burn =====
166 +== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
147 147  
148 -[[image:image-20220602104144-9.png]]
149 149  
150 -[[image:image-20220602104251-10.png]]
169 +(% style="color:blue" %)**1.  Open project**
151 151  
152 -[[image:image-20220602104402-11.png]]
153 153  
154 -===== Click to start the download =====
172 +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]]
155 155  
156 -[[image:image-20220602104923-13.png]]
157 157  
158 -===== The following figure appears to prove that the burning is in progress =====
175 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
159 159  
160 -[[image:image-20220602104948-14.png]]
161 161  
162 -===== The following picture appears to prove that the burning is successful =====
163 163  
164 -[[image:image-20220602105251-15.png]]
179 +(% 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**
165 165  
166 -= LA66 USB LoRaWAN Adapter =
167 167  
168 -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.
182 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
169 169  
170 -Before use, please make sure that the computer has installed the CP2102 driver
171 171  
172 -== Pin Mapping & LED ==
173 173  
174 -== Example Send & Get Messages via LoRaWAN in PC ==
175 175  
176 -Connect the LA66 LoRa Shield to the PC
177 177  
178 -[[image:image-20220602171217-1.png||height="615" width="915"]]
188 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
179 179  
180 -Open the serial port tool
181 181  
182 -[[image:image-20220602161617-8.png]]
191 +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/]]
183 183  
184 -[[image:image-20220602161718-9.png||height="529" width="927"]]
185 185  
186 -Press the reset switch RST on the LA66 LoRa Shield.
194 +[[image:image-20220723175700-12.png||height="602" width="995"]]
187 187  
188 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
196 +== 1.8 Example: How to join helium ==
189 189  
190 -[[image:image-20220602161935-10.png]]
191 191  
192 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
199 +(% style="color:blue" %)**1. Create a new device.**
193 193  
194 -example: AT+SENDB=01,02,8,05820802581ea0a5
201 +[[image:image-20220907165500-1.png||height="464" width="940"]]
195 195  
196 -[[image:image-20220602162157-11.png]]
197 197  
198 -Check to see if TTN received the message
204 +(% style="color:blue" %)**2. Save the device after filling in the necessary information.**
199 199  
200 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
206 +[[image:image-20220907165837-2.png||height="375" width="809"]]
201 201  
202 -== Example Send & Get Messages via LoRaWAN in RPi ==
203 203  
204 -Connect the LA66 LoRa Shield to the RPI
209 +(% style="color:blue" %)**3.  Use AT commands.**
205 205  
206 -[[image:image-20220602171233-2.png||height="592" width="881"]]
211 +[[image:image-20220602100052-2.png||height="385" width="600"]]
207 207  
208 -Log in to the RPI's terminal and connect to the serial port
209 209  
210 -[[image:image-20220602153146-3.png]]
214 +(% style="color:#0000ff" %)**4.Use command AT+CFG to get device configuration**
211 211  
212 -Press the reset switch RST on the LA66 LoRa Shield.
213 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
216 +[[image:image-20220907170308-3.png||height="556" width="617"]]
214 214  
215 -[[image:image-20220602154928-5.png]]
216 216  
217 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
219 +(% style="color:blue" %)**5.  Network successfully.**
218 218  
219 -example: AT+SENDB=01,02,8,05820802581ea0a5
221 +[[image:image-20220907170436-4.png]]
220 220  
221 -[[image:image-20220602160339-6.png]]
222 222  
223 -Check to see if TTN received the message
224 +(% style="color:blue" %)**6.  Send uplink using command**
224 224  
225 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
226 +[[image:image-20220907170659-5.png]]
226 226  
227 -=== Install Minicom ===
228 +[[image:image-20220907170744-6.png||height="242" width="798"]]
228 228  
229 -Enter the following command in the RPI terminal
230 230  
231 -apt update
231 +== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
232 232  
233 -[[image:image-20220602143155-1.png]]
234 234  
235 -apt install minicom
234 +=== 1.9.1  Items needed for update ===
236 236  
237 -[[image:image-20220602143744-2.png]]
238 238  
239 -=== Send PC's CPU/RAM usage to TTN via script. ===
237 +1. LA66 LoRaWAN Shield
238 +1. Arduino
239 +1. USB TO TTL Adapter
240 240  
241 -==== Take python as an example： ====
241 +[[image:image-20220602100052-2.png||height="385" width="600"]]
242 242  
243 -===== Preconditions: =====
244 244  
245 -1.LA66 USB LoRaWAN Adapter works fine
246 246  
247 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
245 +=== 1.9.2  Connection ===
248 248  
249 -===== Steps for usage =====
250 250  
251 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
248 +[[image:image-20220602101311-3.png||height="276" width="600"]]
252 252  
253 -2.Run the script and see the TTN
254 254  
255 -[[image:image-20220602115852-3.png]]
251 +(((
252 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
253 +)))
256 256  
255 +(((
256 +(% style="background-color:yellow" %)**GND  <-> GND
257 +TXD  <->  TXD
258 +RXD  <->  RXD**
259 +)))
257 257  
258 258  
259 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
262 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
260 260  
264 +Connect USB TTL Adapter to PC after connecting the wires
261 261  
262 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
263 263  
267 +[[image:image-20220602102240-4.png||height="304" width="600"]]
268 +
269 +
270 +
271 +=== 1.9.3  Upgrade steps ===
272 +
273 +
274 +
275 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
276 +
277 +
278 +[[image:image-20220602102824-5.png||height="306" width="600"]]
279 +
280 +
281 +
282 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
283 +
284 +
285 +[[image:image-20220817085447-1.png]]
286 +
287 +
288 +
289 +
290 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
291 +
292 +
293 +(((
294 +(% 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]]**
295 +)))
296 +
297 +
298 +[[image:image-20220602103227-6.png]]
299 +
300 +
301 +[[image:image-20220602103357-7.png]]
302 +
303 +
304 +
305 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
306 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
307 +
308 +
309 +[[image:image-20220602103844-8.png]]
310 +
311 +
312 +
313 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
314 +(% style="color:blue" %)**3. Select the bin file to burn**
315 +
316 +
317 +[[image:image-20220602104144-9.png]]
318 +
319 +
320 +[[image:image-20220602104251-10.png]]
321 +
322 +
323 +[[image:image-20220602104402-11.png]]
324 +
325 +
326 +
327 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
328 +(% style="color:blue" %)**4. Click to start the download**
329 +
330 +
331 +[[image:image-20220602104923-13.png]]
332 +
333 +
334 +
335 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
336 +(% style="color:blue" %)**5. Check update process**
337 +
338 +
339 +[[image:image-20220602104948-14.png]]
340 +
341 +
342 +
343 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
344 +(% style="color:blue" %)**The following picture shows that the burning is successful**
345 +
346 +
347 +[[image:image-20220602105251-15.png]]
348 +
349 +
350 +
351 += 2.  FAQ =
352 +
353 +
354 +== 2.1  How to Compile Source Code for LA66? ==
355 +
356 +
357 +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]]
358 +
359 +
360 +
361 += 3.  Order Info =
362 +
363 +
364 +**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
365 +
366 +
367 +(% style="color:blue" %)**XXX**(%%): The default frequency band
368 +
369 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
370 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
371 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
372 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
373 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
374 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
375 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
376 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
377 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
378 +
379 += 4.  Reference =
380 +
381 +
382 +* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
383 +
264 264  
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