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Last modified by Xiaoling on 2023/05/26 14:19
From version 160.1
edited by Bei Jinggeng
on 2022/09/09 14:59
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.Bei
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 -== 1.3  Specification ==
69 69  
70 70  
31 +
32 +== Specification ==
33 +
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -86,299 +86,222 @@
86 86  * LoRa Rx current: <9 mA
87 87  * I/O Voltage: 3.3v
88 88  
89 -== 1.4  Pin Mapping & LED ==
52 +== AT Command ==
90 90  
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.
91 91  
92 -[[image:image-20220817085048-1.png||height="533" width="734"]]
93 93  
57 +== Dimension ==
94 94  
59 +[[image:image-20220517072526-1.png]]
95 95  
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
99 99  
62 +== Pin Mapping ==
100 100  
101 -[[image:image-20220820112305-1.png||height="515" width="749"]]
64 +[[image:image-20220523101537-1.png]]
102 102  
66 +== Land Pattern ==
103 103  
68 +[[image:image-20220517072821-2.png]]
104 104  
105 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
106 106  
71 +== Part Number ==
107 107  
108 -**Show connection diagram：**
73 +Part Number: **LA66-XXX**
109 109  
75 +**XX**: The default frequency band
110 110  
111 -[[image:image-20220723170210-2.png||height="908" width="681"]]
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
112 112  
113 113  
88 += LA66 LoRaWAN Shield =
114 114  
115 -(% style="color:blue" %)**1.  open Arduino IDE**
90 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
116 116  
92 +== Pin Mapping & LED ==
117 117  
118 -[[image:image-20220723170545-4.png]]
94 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
119 119  
96 +== Example: Join TTN network and send an uplink message, get downlink message. ==
120 120  
98 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
121 121  
122 -(% style="color:blue" %)**2.  Open project**
100 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
123 123  
102 +=== what needs to be used ===
124 124  
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]]
104 +1.LA66 LoRaWAN Shield that needs to be upgraded
126 126  
106 +2.Arduino
127 127  
128 -[[image:image-20220726135239-1.png]]
108 +3.USB TO TTL
129 129  
110 +[[image:image-20220602100052-2.png]]
130 130  
112 +=== Wiring Schematic ===
131 131  
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**
114 +[[image:image-20220602101311-3.png]]
133 133  
116 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
134 134  
135 -[[image:image-20220726135356-2.png]]
118 +GND  >>>>>>>>>>>>GND
136 136  
120 +TXD  >>>>>>>>>>>>TXD
137 137  
122 +RXD  >>>>>>>>>>>>RXD
138 138  
139 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
124 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
140 140  
126 +Connect to the PC after connecting the wires
141 141  
142 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
128 +[[image:image-20220602102240-4.png]]
143 143  
130 +=== Upgrade steps ===
144 144  
132 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
145 145  
146 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
134 +[[image:image-20220602102824-5.png]]
147 147  
136 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
148 148  
149 -(% style="color:blue" %)**1.  Open project**
138 +[[image:image-20220602104701-12.png]]
150 150  
140 +==== Open the upgrade application software ====
151 151  
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]]
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/]]
153 153  
144 +[[image:image-20220602103227-6.png]]
154 154  
155 -[[image:image-20220723172502-8.png]]
146 +[[image:image-20220602103357-7.png]]
156 156  
148 +===== Select the COM port corresponding to USB TTL =====
157 157  
150 +[[image:image-20220602103844-8.png]]
158 158  
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**
152 +===== Select the bin file to burn =====
160 160  
154 +[[image:image-20220602104144-9.png]]
161 161  
162 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
156 +[[image:image-20220602104251-10.png]]
163 163  
158 +[[image:image-20220602104402-11.png]]
164 164  
160 +===== Click to start the download =====
165 165  
166 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
162 +[[image:image-20220602104923-13.png]]
167 167  
164 +===== The following figure appears to prove that the burning is in progress =====
168 168  
169 -(% style="color:blue" %)**1.  Open project**
166 +[[image:image-20220602104948-14.png]]
170 170  
168 +===== The following picture appears to prove that the burning is successful =====
171 171  
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]]
170 +[[image:image-20220602105251-15.png]]
173 173  
172 += LA66 USB LoRaWAN Adapter =
174 174  
175 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
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.
176 176  
176 +Before use, please make sure that the computer has installed the CP2102 driver
177 177  
178 +== Pin Mapping & LED ==
178 178  
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**
180 +== Example Send & Get Messages via LoRaWAN in PC ==
180 180  
182 +Connect the LA66 LoRa Shield to the PC
181 181  
182 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
184 +[[image:image-20220602171217-1.png||height="615" width="915"]]
183 183  
186 +Open the serial port tool
184 184  
188 +[[image:image-20220602161617-8.png]]
185 185  
190 +[[image:image-20220602161718-9.png||height="529" width="927"]]
186 186  
192 +Press the reset switch RST on the LA66 LoRa Shield.
187 187  
188 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
194 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
189 189  
196 +[[image:image-20220602161935-10.png]]
190 190  
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/]]
198 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
192 192  
200 +example: AT+SENDB=01,02,8,05820802581ea0a5
193 193  
194 -[[image:image-20220723175700-12.png||height="602" width="995"]]
202 +[[image:image-20220602162157-11.png]]
195 195  
196 -== 1.8 Example: How to join helium ==
204 +Check to see if TTN received the message
197 197  
206 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
198 198  
199 -(% style="color:blue" %)**1. Create a new device.**
208 +== Example Send & Get Messages via LoRaWAN in RPi ==
200 200  
201 -[[image:image-20220907165500-1.png||height="464" width="940"]]
210 +Connect the LA66 LoRa Shield to the RPI
202 202  
212 +[[image:image-20220602171233-2.png||height="592" width="881"]]
203 203  
204 -(% style="color:blue" %)**2. Save the device after filling in the necessary information.**
214 +Log in to the RPI's terminal and connect to the serial port
205 205  
206 -[[image:image-20220907165837-2.png||height="375" width="809"]]
216 +[[image:image-20220602153146-3.png]]
207 207  
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
208 208  
209 -(% style="color:blue" %)**3.  Use AT commands.**
221 +[[image:image-20220602154928-5.png]]
210 210  
211 -[[image:image-20220602100052-2.png||height="385" width="600"]]
223 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
212 212  
225 +example: AT+SENDB=01,02,8,05820802581ea0a5
213 213  
214 -(% style="color:#0000ff" %)**4.Use command AT+CFG to get device configuration**
227 +[[image:image-20220602160339-6.png]]
215 215  
216 -[[image:image-20220907170308-3.png||height="556" width="617"]]
229 +Check to see if TTN received the message
217 217  
231 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
218 218  
219 -(% style="color:blue" %)**5.  Network successfully.**
233 +=== Install Minicom ===
220 220  
221 -[[image:image-20220907170436-4.png]]
235 +Enter the following command in the RPI terminal
222 222  
237 +apt update
223 223  
224 -(% style="color:blue" %)**6.  Send uplink using command**
239 +[[image:image-20220602143155-1.png]]
225 225  
226 -[[image:image-20220907170659-5.png]]
241 +apt install minicom
227 227  
228 -[[image:image-20220907170744-6.png||height="242" width="798"]]
243 +[[image:image-20220602143744-2.png]]
229 229  
245 +=== Send PC's CPU/RAM usage to TTN via script. ===
230 230  
231 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
247 +==== Take python as an example： ====
232 232  
249 +===== Preconditions: =====
233 233  
234 -=== 1.9.1  Items needed for update ===
251 +1.LA66 USB LoRaWAN Adapter works fine
235 235  
253 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
236 236  
237 -1. LA66 LoRaWAN Shield
238 -1. Arduino
239 -1. USB TO TTL Adapter
255 +===== Steps for usage =====
240 240  
241 -[[image:image-20220602100052-2.png||height="385" width="600"]]
257 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
242 242  
259 +2.Run the script and see the TTN
243 243  
261 +[[image:image-20220602115852-3.png]]
244 244  
245 -=== 1.9.2  Connection ===
246 246  
247 247  
248 -[[image:image-20220602101311-3.png||height="276" width="600"]]
265 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
249 249  
250 250  
251 -(((
252 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
253 -)))
268 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
254 254  
255 -(((
256 -(% style="background-color:yellow" %)**GND  <-> GND
257 -TXD  <->  TXD
258 -RXD  <->  RXD**
259 -)))
260 -
261 -
262 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
263 -
264 -Connect USB TTL Adapter to PC after connecting the wires
265 -
266 -
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 -
384 384  
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