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Last modified by Xiaoling on 2023/05/26 14:19
From version 151.2
edited by Xiaoling
on 2022/08/22 16:13
Change comment: There is no comment for this version
To version 68.1
edited by Edwin Chen
on 2022/07/02 23:42
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.Edwin
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 +(% 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.
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
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.
11 11  
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 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
39 39  
40 -(((
41 -(((
42 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 -)))
45 45  
46 -(((
47 -(((
48 48  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
51 51  
52 52  
20 +== Features ==
53 53  
54 -== 1.2  Features ==
55 -
56 -
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
22 +* Support LoRaWAN v1.0.4 protocol
59 59  * Support peer-to-peer protocol
60 60  * TCXO crystal to ensure RF performance on low temperature
61 -* SMA connector
25 +* SMD Antenna pad and i-pex antenna connector
62 62  * Available in different frequency LoRaWAN frequency bands.
63 63  * World-wide unique OTAA keys.
64 -* AT Command via UART-TTL interface
65 -* Firmware upgradable via UART interface
66 -* Ultra-long RF range
67 67  
68 68  
69 69  
70 70  
71 -== 1.3  Specification ==
32 +== Specification ==
72 72  
73 -
74 74  * CPU: 32-bit 48 MHz
75 75  * Flash: 256KB
76 76  * RAM: 64KB
... ... @@ -89,266 +89,222 @@
89 89  * LoRa Rx current: <9 mA
90 90  * I/O Voltage: 3.3v
91 91  
52 +== AT Command ==
92 92  
54 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
93 93  
94 94  
95 -== 1.4  Pin Mapping & LED ==
57 +== Dimension ==
96 96  
59 +[[image:image-20220517072526-1.png]]
97 97  
98 -[[image:image-20220817085048-1.png||height="533" width="734"]]
99 99  
62 +== Pin Mapping ==
100 100  
64 +[[image:image-20220523101537-1.png]]
101 101  
102 -~1. The LED lights up red when there is an upstream data packet
103 -2. When the network is successfully connected, the green light will be on for 5 seconds
104 -3. Purple light on when receiving downlink data packets
66 +== Land Pattern ==
105 105  
68 +[[image:image-20220517072821-2.png]]
106 106  
107 -[[image:image-20220820112305-1.png||height="515" width="749"]]
108 108  
71 +== Part Number ==
109 109  
73 +Part Number: **LA66-XXX**
110 110  
111 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
75 +**XX**: The default frequency band
112 112  
77 +* **AS923**: LoRaWAN AS923 band
78 +* **AU915**: LoRaWAN AU915 band
79 +* **EU433**: LoRaWAN EU433 band
80 +* **EU868**: LoRaWAN EU868 band
81 +* **KR920**: LoRaWAN KR920 band
82 +* **US915**: LoRaWAN US915 band
83 +* **IN865**: LoRaWAN IN865 band
84 +* **CN470**: LoRaWAN CN470 band
85 +* **PP**: Peer to Peer LoRa Protocol
113 113  
114 -**Show connection diagram：**
115 115  
88 += LA66 LoRaWAN Shield =
116 116  
117 -[[image:image-20220723170210-2.png||height="908" width="681"]]
90 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
118 118  
92 +== Pin Mapping & LED ==
119 119  
94 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
120 120  
121 -(% style="color:blue" %)**1.  open Arduino IDE**
96 +== Example: Join TTN network and send an uplink message, get downlink message. ==
122 122  
98 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
123 123  
124 -[[image:image-20220723170545-4.png]]
100 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
125 125  
102 +=== what needs to be used ===
126 126  
104 +1.LA66 LoRaWAN Shield that needs to be upgraded
127 127  
128 -(% style="color:blue" %)**2.  Open project**
106 +2.Arduino
129 129  
108 +3.USB TO TTL
130 130  
131 -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]]
110 +[[image:image-20220602100052-2.png]]
132 132  
133 -[[image:image-20220726135239-1.png]]
112 +=== Wiring Schematic ===
134 134  
114 +[[image:image-20220602101311-3.png]]
135 135  
116 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
136 136  
137 -(% 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**
118 +GND  >>>>>>>>>>>>GND
138 138  
139 -[[image:image-20220726135356-2.png]]
120 +TXD  >>>>>>>>>>>>TXD
140 140  
122 +RXD  >>>>>>>>>>>>RXD
141 141  
124 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
142 142  
143 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
126 +Connect to the PC after connecting the wires
144 144  
128 +[[image:image-20220602102240-4.png]]
145 145  
146 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
130 +=== Upgrade steps ===
147 147  
132 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
148 148  
134 +[[image:image-20220602102824-5.png]]
149 149  
150 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
136 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
151 151  
138 +[[image:image-20220602104701-12.png]]
152 152  
153 -(% style="color:blue" %)**1.  Open project**
140 +==== Open the upgrade application software ====
154 154  
142 +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/]]
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]]
144 +[[image:image-20220602103227-6.png]]
157 157  
146 +[[image:image-20220602103357-7.png]]
158 158  
159 -[[image:image-20220723172502-8.png]]
148 +===== Select the COM port corresponding to USB TTL =====
160 160  
150 +[[image:image-20220602103844-8.png]]
161 161  
152 +===== Select the bin file to burn =====
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**
154 +[[image:image-20220602104144-9.png]]
164 164  
156 +[[image:image-20220602104251-10.png]]
165 165  
166 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
158 +[[image:image-20220602104402-11.png]]
167 167  
160 +===== Click to start the download =====
168 168  
162 +[[image:image-20220602104923-13.png]]
169 169  
170 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
164 +===== The following figure appears to prove that the burning is in progress =====
171 171  
166 +[[image:image-20220602104948-14.png]]
172 172  
173 -(% style="color:blue" %)**1.  Open project**
168 +===== The following picture appears to prove that the burning is successful =====
174 174  
170 +[[image:image-20220602105251-15.png]]
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]]
172 += LA66 USB LoRaWAN Adapter =
177 177  
174 +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.
178 178  
179 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
176 +Before use, please make sure that the computer has installed the CP2102 driver
180 180  
178 +== Pin Mapping & LED ==
181 181  
180 +== Example Send & Get Messages via LoRaWAN in PC ==
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**
182 +Connect the LA66 LoRa Shield to the PC
184 184  
184 +[[image:image-20220602171217-1.png||height="615" width="915"]]
185 185  
186 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
186 +Open the serial port tool
187 187  
188 +[[image:image-20220602161617-8.png]]
188 188  
190 +[[image:image-20220602161718-9.png||height="529" width="927"]]
189 189  
190 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
192 +Press the reset switch RST on the LA66 LoRa Shield.
191 191  
192 -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/]]
194 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
193 193  
194 -[[image:image-20220723175700-12.png||height="602" width="995"]]
196 +[[image:image-20220602161935-10.png]]
195 195  
198 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
196 196  
200 +example: AT+SENDB=01,02,8,05820802581ea0a5
197 197  
198 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
202 +[[image:image-20220602162157-11.png]]
199 199  
204 +Check to see if TTN received the message
200 200  
201 -=== 1.8.1  Items needed for update ===
206 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
202 202  
208 +== Example Send & Get Messages via LoRaWAN in RPi ==
203 203  
204 -1. LA66 LoRaWAN Shield
205 -1. Arduino
206 -1. USB TO TTL Adapter
210 +Connect the LA66 LoRa Shield to the RPI
207 207  
212 +[[image:image-20220602171233-2.png||height="592" width="881"]]
208 208  
214 +Log in to the RPI's terminal and connect to the serial port
209 209  
210 -[[image:image-20220602100052-2.png||height="385" width="600"]]
216 +[[image:image-20220602153146-3.png]]
211 211  
218 +Press the reset switch RST on the LA66 LoRa Shield.
219 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
212 212  
221 +[[image:image-20220602154928-5.png]]
213 213  
214 -=== 1.8.2  Connection ===
223 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
215 215  
225 +example: AT+SENDB=01,02,8,05820802581ea0a5
216 216  
217 -[[image:image-20220602101311-3.png||height="276" width="600"]]
227 +[[image:image-20220602160339-6.png]]
218 218  
229 +Check to see if TTN received the message
219 219  
220 -(((
221 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
222 -)))
231 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
223 223  
224 -(((
225 -(% style="background-color:yellow" %)**GND  <-> GND
226 -TXD  <->  TXD
227 -RXD  <->  RXD**
228 -)))
233 +=== Install Minicom ===
229 229  
235 +Enter the following command in the RPI terminal
230 230  
231 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
237 +apt update
232 232  
233 -Connect USB TTL Adapter to PC after connecting the wires
239 +[[image:image-20220602143155-1.png]]
234 234  
241 +apt install minicom
235 235  
236 -[[image:image-20220602102240-4.png||height="304" width="600"]]
243 +[[image:image-20220602143744-2.png]]
237 237  
245 +=== Send PC's CPU/RAM usage to TTN via script. ===
238 238  
247 +==== Take python as an example： ====
239 239  
240 -=== 1.8.3  Upgrade steps ===
249 +===== Preconditions: =====
241 241  
251 +1.LA66 USB LoRaWAN Adapter works fine
242 242  
253 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
243 243  
244 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
255 +===== Steps for usage =====
245 245  
257 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
246 246  
247 -[[image:image-20220602102824-5.png||height="306" width="600"]]
259 +2.Run the script and see the TTN
248 248  
261 +[[image:image-20220602115852-3.png]]
249 249  
250 250  
251 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
252 252  
265 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
253 253  
254 -[[image:image-20220817085447-1.png]]
255 255  
268 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
256 256  
257 -
258 -
259 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
260 -
261 -
262 -(((
263 -(% 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]]**
264 -)))
265 -
266 -
267 -[[image:image-20220602103227-6.png]]
268 -
269 -
270 -[[image:image-20220602103357-7.png]]
271 -
272 -
273 -
274 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
275 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
276 -
277 -
278 -[[image:image-20220602103844-8.png]]
279 -
280 -
281 -
282 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
283 -(% style="color:blue" %)**3. Select the bin file to burn**
284 -
285 -
286 -[[image:image-20220602104144-9.png]]
287 -
288 -
289 -[[image:image-20220602104251-10.png]]
290 -
291 -
292 -[[image:image-20220602104402-11.png]]
293 -
294 -
295 -
296 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
297 -(% style="color:blue" %)**4. Click to start the download**
298 -
299 -[[image:image-20220602104923-13.png]]
300 -
301 -
302 -
303 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
304 -(% style="color:blue" %)**5. Check update process**
305 -
306 -
307 -[[image:image-20220602104948-14.png]]
308 -
309 -
310 -
311 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
312 -(% style="color:blue" %)**The following picture shows that the burning is successful**
313 -
314 -[[image:image-20220602105251-15.png]]
315 -
316 -
317 -
318 -= 2.  FAQ =
319 -
320 -
321 -== 2.1  How to Compile Source Code for LA66? ==
322 -
323 -
324 -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]]
325 -
326 -
327 -
328 -= 3.  Order Info =
329 -
330 -
331 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
332 -
333 -
334 -(% style="color:blue" %)**XXX**(%%): The default frequency band
335 -
336 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
337 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
338 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
339 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
340 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
341 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
342 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
343 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
344 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
345 -
346 -
347 -
348 -
349 -= 4.  Reference =
350 -
351 -
352 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
353 -
354 354  
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