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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 67.1
edited by Edwin Chen
on 2022/07/02 23:33
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 55  
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
24 +== Specification ==
67 67  
68 -
69 -
70 -== 1.3  Specification ==
71 -
72 -
73 -* CPU: 32-bit 48 MHz
74 -* Flash: 256KB
75 -* RAM: 64KB
76 76  * Input Power Range: 1.8v ~~ 3.7v
77 77  * Power Consumption: < 4uA.
78 78  * Frequency Range: 150 MHz ~~ 960 MHz
... ... @@ -88,270 +88,220 @@
88 88  * LoRa Rx current: <9 mA
89 89  * I/O Voltage: 3.3v
90 90  
41 +== AT Command ==
91 91  
43 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
92 92  
93 -== 1.4  Pin Mapping & LED ==
94 94  
46 +== Dimension ==
95 95  
96 -[[image:image-20220817085048-1.png||height="533" width="734"]]
48 +[[image:image-20220517072526-1.png]]
97 97  
98 98  
51 +== Pin Mapping ==
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
53 +[[image:image-20220523101537-1.png]]
103 103  
55 +== Land Pattern ==
104 104  
105 -[[image:image-20220820112305-1.png||height="515" width="749"]]
57 +[[image:image-20220517072821-2.png]]
106 106  
107 107  
60 +== Part Number ==
108 108  
109 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
62 +Part Number: **LA66-XXX**
110 110  
64 +**XX**: The default frequency band
111 111  
112 -**Show connection diagram：**
66 +* **AS923**: LoRaWAN AS923 band
67 +* **AU915**: LoRaWAN AU915 band
68 +* **EU433**: LoRaWAN EU433 band
69 +* **EU868**: LoRaWAN EU868 band
70 +* **KR920**: LoRaWAN KR920 band
71 +* **US915**: LoRaWAN US915 band
72 +* **IN865**: LoRaWAN IN865 band
73 +* **CN470**: LoRaWAN CN470 band
113 113  
75 += LA66 LoRaWAN Shield =
114 114  
115 -[[image:image-20220723170210-2.png||height="908" width="681"]]
77 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
116 116  
79 +== Pin Mapping & LED ==
117 117  
81 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
118 118  
119 -(% style="color:blue" %)**1.  open Arduino IDE**
83 +== Example: Join TTN network and send an uplink message, get downlink message. ==
120 120  
85 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
121 121  
122 -[[image:image-20220723170545-4.png]]
87 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
123 123  
89 +=== what needs to be used ===
124 124  
91 +1.LA66 LoRaWAN Shield that needs to be upgraded
125 125  
126 -(% style="color:blue" %)**2.  Open project**
93 +2.Arduino
127 127  
95 +3.USB TO TTL
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]]
97 +[[image:image-20220602100052-2.png]]
130 130  
99 +=== Wiring Schematic ===
131 131  
132 -[[image:image-20220726135239-1.png]]
101 +[[image:image-20220602101311-3.png]]
133 133  
103 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
134 134  
105 +GND  >>>>>>>>>>>>GND
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**
107 +TXD  >>>>>>>>>>>>TXD
137 137  
109 +RXD  >>>>>>>>>>>>RXD
138 138  
139 -[[image:image-20220726135356-2.png]]
111 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
140 140  
113 +Connect to the PC after connecting the wires
141 141  
115 +[[image:image-20220602102240-4.png]]
142 142  
143 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
117 +=== Upgrade steps ===
144 144  
119 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
145 145  
146 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
121 +[[image:image-20220602102824-5.png]]
147 147  
123 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
148 148  
125 +[[image:image-20220602104701-12.png]]
149 149  
150 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
127 +==== Open the upgrade application software ====
151 151  
129 +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/]]
152 152  
153 -(% style="color:blue" %)**1.  Open project**
131 +[[image:image-20220602103227-6.png]]
154 154  
133 +[[image:image-20220602103357-7.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]]
135 +===== Select the COM port corresponding to USB TTL =====
157 157  
137 +[[image:image-20220602103844-8.png]]
158 158  
159 -[[image:image-20220723172502-8.png]]
139 +===== Select the bin file to burn =====
160 160  
141 +[[image:image-20220602104144-9.png]]
161 161  
143 +[[image:image-20220602104251-10.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**
145 +[[image:image-20220602104402-11.png]]
164 164  
147 +===== Click to start the download =====
165 165  
166 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
149 +[[image:image-20220602104923-13.png]]
167 167  
151 +===== The following figure appears to prove that the burning is in progress =====
168 168  
153 +[[image:image-20220602104948-14.png]]
169 169  
170 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
155 +===== The following picture appears to prove that the burning is successful =====
171 171  
157 +[[image:image-20220602105251-15.png]]
172 172  
173 -(% style="color:blue" %)**1.  Open project**
159 += LA66 USB LoRaWAN Adapter =
174 174  
161 +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.
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]]
163 +Before use, please make sure that the computer has installed the CP2102 driver
177 177  
165 +== Pin Mapping & LED ==
178 178  
179 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
167 +== Example Send & Get Messages via LoRaWAN in PC ==
180 180  
169 +Connect the LA66 LoRa Shield to the PC
181 181  
171 +[[image:image-20220602171217-1.png||height="615" width="915"]]
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**
173 +Open the serial port tool
184 184  
175 +[[image:image-20220602161617-8.png]]
185 185  
186 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
177 +[[image:image-20220602161718-9.png||height="529" width="927"]]
187 187  
179 +Press the reset switch RST on the LA66 LoRa Shield.
188 188  
181 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
189 189  
190 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
183 +[[image:image-20220602161935-10.png]]
191 191  
185 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
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/]]
187 +example: AT+SENDB=01,02,8,05820802581ea0a5
194 194  
189 +[[image:image-20220602162157-11.png]]
195 195  
196 -[[image:image-20220723175700-12.png||height="602" width="995"]]
191 +Check to see if TTN received the message
197 197  
193 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
198 198  
195 +== Example Send & Get Messages via LoRaWAN in RPi ==
199 199  
200 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
197 +Connect the LA66 LoRa Shield to the RPI
201 201  
199 +[[image:image-20220602171233-2.png||height="592" width="881"]]
202 202  
203 -=== 1.8.1  Items needed for update ===
201 +Log in to the RPI's terminal and connect to the serial port
204 204  
203 +[[image:image-20220602153146-3.png]]
205 205  
206 -1. LA66 LoRaWAN Shield
207 -1. Arduino
208 -1. USB TO TTL Adapter
205 +Press the reset switch RST on the LA66 LoRa Shield.
206 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
209 209  
208 +[[image:image-20220602154928-5.png]]
210 210  
211 -[[image:image-20220602100052-2.png||height="385" width="600"]]
210 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
212 212  
212 +example: AT+SENDB=01,02,8,05820802581ea0a5
213 213  
214 +[[image:image-20220602160339-6.png]]
214 214  
215 -=== 1.8.2  Connection ===
216 +Check to see if TTN received the message
216 216  
218 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
217 217  
218 -[[image:image-20220602101311-3.png||height="276" width="600"]]
220 +=== Install Minicom ===
219 219  
222 +Enter the following command in the RPI terminal
220 220  
221 -(((
222 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
223 -)))
224 +apt update
224 224  
225 -(((
226 -(% style="background-color:yellow" %)**GND  <-> GND
227 -TXD  <->  TXD
228 -RXD  <->  RXD**
229 -)))
226 +[[image:image-20220602143155-1.png]]
230 230  
228 +apt install minicom
231 231  
232 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
230 +[[image:image-20220602143744-2.png]]
233 233  
234 -Connect USB TTL Adapter to PC after connecting the wires
232 +=== Send PC's CPU/RAM usage to TTN via script. ===
235 235  
234 +==== Take python as an example： ====
236 236  
237 -[[image:image-20220602102240-4.png||height="304" width="600"]]
236 +===== Preconditions: =====
238 238  
238 +1.LA66 USB LoRaWAN Adapter works fine
239 239  
240 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
240 240  
241 -=== 1.8.3  Upgrade steps ===
242 +===== Steps for usage =====
242 242  
244 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
243 243  
246 +2.Run the script and see the TTN
244 244  
245 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
248 +[[image:image-20220602115852-3.png]]
246 246  
247 247  
248 -[[image:image-20220602102824-5.png||height="306" width="600"]]
249 249  
252 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
250 250  
251 251  
252 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
255 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
253 253  
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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