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Last modified by Xiaoling on 2023/05/26 14:19
From version 70.1
edited by Edwin Chen
on 2022/07/02 23:51
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

Summary

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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 19  
20 -== Features ==
21 21  
22 -* Support LoRaWAN v1.0.4 protocol
54 +== 1.2  Features ==
55 +
56 +
57 +* Arduino Shield base on LA66 LoRaWAN module
58 +* Support LoRaWAN v1.0.3 protocol
23 23  * Support peer-to-peer protocol
24 24  * TCXO crystal to ensure RF performance on low temperature
25 -* SMD Antenna pad and i-pex antenna connector
61 +* SMA connector
26 26  * Available in different frequency LoRaWAN frequency bands.
27 27  * World-wide unique OTAA keys.
28 28  * AT Command via UART-TTL interface
... ... @@ -29,10 +29,9 @@
29 29  * Firmware upgradable via UART interface
30 30  * Ultra-long RF range
31 31  
68 +== 1.3  Specification ==
32 32  
33 33  
34 -== Specification ==
35 -
36 36  * CPU: 32-bit 48 MHz
37 37  * Flash: 256KB
38 38  * RAM: 64KB
... ... @@ -51,221 +51,299 @@
51 51  * LoRa Rx current: <9 mA
52 52  * I/O Voltage: 3.3v
53 53  
54 -== AT Command ==
89 +== 1.4  Pin Mapping & LED ==
55 55  
56 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
57 57  
92 +[[image:image-20220817085048-1.png||height="533" width="734"]]
58 58  
59 -== Dimension ==
60 60  
61 -[[image:image-20220517072526-1.png]]
62 62  
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
63 63  
64 -== Pin Mapping ==
65 65  
66 -[[image:image-20220523101537-1.png]]
101 +[[image:image-20220820112305-1.png||height="515" width="749"]]
67 67  
68 -== Land Pattern ==
69 69  
70 -[[image:image-20220517072821-2.png]]
71 71  
105 +== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
72 72  
73 -== Part Number ==
74 74  
75 -Part Number: **LA66-XXX**
108 +**Show connection diagram：**
76 76  
77 -**XX**: The default frequency band
78 78  
79 -* **AS923**: LoRaWAN AS923 band
80 -* **AU915**: LoRaWAN AU915 band
81 -* **EU433**: LoRaWAN EU433 band
82 -* **EU868**: LoRaWAN EU868 band
83 -* **KR920**: LoRaWAN KR920 band
84 -* **US915**: LoRaWAN US915 band
85 -* **IN865**: LoRaWAN IN865 band
86 -* **CN470**: LoRaWAN CN470 band
87 -* **PP**: Peer to Peer LoRa Protocol
111 +[[image:image-20220723170210-2.png||height="908" width="681"]]
88 88  
89 -= LA66 LoRaWAN Shield =
90 90  
91 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
92 92  
93 -== Pin Mapping & LED ==
115 +(% style="color:blue" %)**1.  open Arduino IDE**
94 94  
95 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
96 96  
97 -== Example: Join TTN network and send an uplink message, get downlink message. ==
118 +[[image:image-20220723170545-4.png]]
98 98  
99 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
100 100  
101 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
102 102  
103 -=== what needs to be used ===
122 +(% style="color:blue" %)**2.  Open project**
104 104  
105 -1.LA66 LoRaWAN Shield that needs to be upgraded
106 106  
107 -2.Arduino
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]]
108 108  
109 -3.USB TO TTL
110 110  
111 -[[image:image-20220602100052-2.png]]
128 +[[image:image-20220726135239-1.png]]
112 112  
113 -=== Wiring Schematic ===
114 114  
115 -[[image:image-20220602101311-3.png]]
116 116  
117 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
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**
118 118  
119 -GND  >>>>>>>>>>>>GND
120 120  
121 -TXD  >>>>>>>>>>>>TXD
135 +[[image:image-20220726135356-2.png]]
122 122  
123 -RXD  >>>>>>>>>>>>RXD
124 124  
125 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
126 126  
127 -Connect to the PC after connecting the wires
139 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
128 128  
129 -[[image:image-20220602102240-4.png]]
130 130  
131 -=== Upgrade steps ===
142 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
132 132  
133 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
134 134  
135 -[[image:image-20220602102824-5.png]]
136 136  
137 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
146 +== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
138 138  
139 -[[image:image-20220602104701-12.png]]
140 140  
141 -==== Open the upgrade application software ====
149 +(% style="color:blue" %)**1.  Open project**
142 142  
143 -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/]]
144 144  
145 -[[image:image-20220602103227-6.png]]
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]]
146 146  
147 -[[image:image-20220602103357-7.png]]
148 148  
149 -===== Select the COM port corresponding to USB TTL =====
155 +[[image:image-20220723172502-8.png]]
150 150  
151 -[[image:image-20220602103844-8.png]]
152 152  
153 -===== Select the bin file to burn =====
154 154  
155 -[[image:image-20220602104144-9.png]]
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**
156 156  
157 -[[image:image-20220602104251-10.png]]
158 158  
159 -[[image:image-20220602104402-11.png]]
162 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
160 160  
161 -===== Click to start the download =====
162 162  
163 -[[image:image-20220602104923-13.png]]
164 164  
165 -===== The following figure appears to prove that the burning is in progress =====
166 +== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
166 166  
167 -[[image:image-20220602104948-14.png]]
168 168  
169 -===== The following picture appears to prove that the burning is successful =====
169 +(% style="color:blue" %)**1.  Open project**
170 170  
171 -[[image:image-20220602105251-15.png]]
172 172  
173 -= LA66 USB LoRaWAN Adapter =
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]]
174 174  
175 -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  
177 -Before use, please make sure that the computer has installed the CP2102 driver
175 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
178 178  
179 -== Pin Mapping & LED ==
180 180  
181 -== Example Send & Get Messages via LoRaWAN in PC ==
182 182  
183 -Connect the LA66 LoRa Shield to the PC
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**
184 184  
185 -[[image:image-20220602171217-1.png||height="615" width="915"]]
186 186  
187 -Open the serial port tool
182 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
188 188  
189 -[[image:image-20220602161617-8.png]]
190 190  
191 -[[image:image-20220602161718-9.png||height="529" width="927"]]
192 192  
193 -Press the reset switch RST on the LA66 LoRa Shield.
194 194  
195 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
196 196  
197 -[[image:image-20220602161935-10.png]]
188 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
198 198  
199 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
200 200  
201 -example: AT+SENDB=01,02,8,05820802581ea0a5
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/]]
202 202  
203 -[[image:image-20220602162157-11.png]]
204 204  
205 -Check to see if TTN received the message
194 +[[image:image-20220723175700-12.png||height="602" width="995"]]
206 206  
207 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
196 +== 1.8 Example: How to join helium ==
208 208  
209 -== Example Send & Get Messages via LoRaWAN in RPi ==
210 210  
211 -Connect the LA66 LoRa Shield to the RPI
199 +(% style="color:blue" %)**1. Create a new device.**
212 212  
213 -[[image:image-20220602171233-2.png||height="592" width="881"]]
201 +[[image:image-20220907165500-1.png||height="464" width="940"]]
214 214  
215 -Log in to the RPI's terminal and connect to the serial port
216 216  
217 -[[image:image-20220602153146-3.png]]
204 +(% style="color:blue" %)**2. Save the device after filling in the necessary information.**
218 218  
219 -Press the reset switch RST on the LA66 LoRa Shield.
220 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
206 +[[image:image-20220907165837-2.png||height="375" width="809"]]
221 221  
222 -[[image:image-20220602154928-5.png]]
223 223  
224 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
209 +(% style="color:blue" %)**3.  Use AT commands.**
225 225  
226 -example: AT+SENDB=01,02,8,05820802581ea0a5
211 +[[image:image-20220602100052-2.png||height="385" width="600"]]
227 227  
228 -[[image:image-20220602160339-6.png]]
229 229  
230 -Check to see if TTN received the message
214 +(% style="color:#0000ff" %)**4.Use command AT+CFG to get device configuration**
231 231  
232 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
216 +[[image:image-20220907170308-3.png||height="556" width="617"]]
233 233  
234 -=== Install Minicom ===
235 235  
236 -Enter the following command in the RPI terminal
219 +(% style="color:blue" %)**5.  Network successfully.**
237 237  
238 -apt update
221 +[[image:image-20220907170436-4.png]]
239 239  
240 -[[image:image-20220602143155-1.png]]
241 241  
242 -apt install minicom
224 +(% style="color:blue" %)**6.  Send uplink using command**
243 243  
244 -[[image:image-20220602143744-2.png]]
226 +[[image:image-20220907170659-5.png]]
245 245  
246 -=== Send PC's CPU/RAM usage to TTN via script. ===
228 +[[image:image-20220907170744-6.png||height="242" width="798"]]
247 247  
248 -==== Take python as an example： ====
249 249  
250 -===== Preconditions: =====
231 +== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
251 251  
252 -1.LA66 USB LoRaWAN Adapter works fine
253 253  
254 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
234 +=== 1.9.1  Items needed for update ===
255 255  
256 -===== Steps for usage =====
257 257  
258 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
237 +1. LA66 LoRaWAN Shield
238 +1. Arduino
239 +1. USB TO TTL Adapter
259 259  
260 -2.Run the script and see the TTN
241 +[[image:image-20220602100052-2.png||height="385" width="600"]]
261 261  
262 -[[image:image-20220602115852-3.png]]
263 263  
264 264  
245 +=== 1.9.2  Connection ===
265 265  
266 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
267 267  
248 +[[image:image-20220602101311-3.png||height="276" width="600"]]
268 268  
269 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
270 270  
251 +(((
252 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
253 +)))
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 +
271 271  
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