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Last modified by Xiaoling on 2023/05/26 14:19
From version 68.1
edited by Edwin Chen
on 2022/07/02 23:42
Change comment: There is no comment for this version
To version 152.1
edited by Bei Jinggeng
on 2022/09/07 14:44
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 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.
64 +* AT Command via UART-TTL interface
65 +* Firmware upgradable via UART interface
66 +* Ultra-long RF range
28 28  
29 29  
69 +== 1.3  Specification ==
30 30  
31 31  
32 -== Specification ==
33 -
34 34  * CPU: 32-bit 48 MHz
35 35  * Flash: 256KB
36 36  * RAM: 64KB
... ... @@ -49,222 +49,270 @@
49 49  * LoRa Rx current: <9 mA
50 50  * I/O Voltage: 3.3v
51 51  
52 -== AT Command ==
53 53  
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 +== 1.4  Pin Mapping & LED ==
55 55  
56 56  
57 -== Dimension ==
94 +[[image:image-20220817085048-1.png||height="533" width="734"]]
58 58  
59 -[[image:image-20220517072526-1.png]]
60 60  
61 61  
62 -== Pin Mapping ==
98 +~1. The LED lights up red when there is an upstream data packet
99 +2. When the network is successfully connected, the green light will be on for 5 seconds
100 +3. Purple light on when receiving downlink data packets
63 63  
64 -[[image:image-20220523101537-1.png]]
65 65  
66 -== Land Pattern ==
103 +[[image:image-20220820112305-1.png||height="515" width="749"]]
67 67  
68 -[[image:image-20220517072821-2.png]]
69 69  
70 70  
71 -== Part Number ==
107 +== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
72 72  
73 -Part Number: **LA66-XXX**
74 74  
75 -**XX**: The default frequency band
110 +**Show connection diagram：**
76 76  
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
86 86  
113 +[[image:image-20220723170210-2.png||height="908" width="681"]]
87 87  
88 -= LA66 LoRaWAN Shield =
89 89  
90 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
91 91  
92 -== Pin Mapping & LED ==
117 +(% style="color:blue" %)**1.  open Arduino IDE**
93 93  
94 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
95 95  
96 -== Example: Join TTN network and send an uplink message, get downlink message. ==
120 +[[image:image-20220723170545-4.png]]
97 97  
98 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
99 99  
100 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
101 101  
102 -=== what needs to be used ===
124 +(% style="color:blue" %)**2.  Open project**
103 103  
104 -1.LA66 LoRaWAN Shield that needs to be upgraded
105 105  
106 -2.Arduino
127 +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]]
107 107  
108 -3.USB TO TTL
109 109  
110 -[[image:image-20220602100052-2.png]]
130 +[[image:image-20220726135239-1.png]]
111 111  
112 -=== Wiring Schematic ===
113 113  
114 -[[image:image-20220602101311-3.png]]
115 115  
116 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
134 +(% 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**
117 117  
118 -GND  >>>>>>>>>>>>GND
119 119  
120 -TXD  >>>>>>>>>>>>TXD
137 +[[image:image-20220726135356-2.png]]
121 121  
122 -RXD  >>>>>>>>>>>>RXD
123 123  
124 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
125 125  
126 -Connect to the PC after connecting the wires
141 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
127 127  
128 -[[image:image-20220602102240-4.png]]
129 129  
130 -=== Upgrade steps ===
144 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
131 131  
132 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
133 133  
134 -[[image:image-20220602102824-5.png]]
135 135  
136 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
148 +== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
137 137  
138 -[[image:image-20220602104701-12.png]]
139 139  
140 -==== Open the upgrade application software ====
151 +(% style="color:blue" %)**1.  Open project**
141 141  
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/]]
143 143  
144 -[[image:image-20220602103227-6.png]]
154 +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]]
145 145  
146 -[[image:image-20220602103357-7.png]]
147 147  
148 -===== Select the COM port corresponding to USB TTL =====
157 +[[image:image-20220723172502-8.png]]
149 149  
150 -[[image:image-20220602103844-8.png]]
151 151  
152 -===== Select the bin file to burn =====
153 153  
154 -[[image:image-20220602104144-9.png]]
161 +(% 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**
155 155  
156 -[[image:image-20220602104251-10.png]]
157 157  
158 -[[image:image-20220602104402-11.png]]
164 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
159 159  
160 -===== Click to start the download =====
161 161  
162 -[[image:image-20220602104923-13.png]]
163 163  
164 -===== The following figure appears to prove that the burning is in progress =====
168 +== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
165 165  
166 -[[image:image-20220602104948-14.png]]
167 167  
168 -===== The following picture appears to prove that the burning is successful =====
171 +(% style="color:blue" %)**1.  Open project**
169 169  
170 -[[image:image-20220602105251-15.png]]
171 171  
172 -= LA66 USB LoRaWAN Adapter =
174 +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]]
173 173  
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.
175 175  
176 -Before use, please make sure that the computer has installed the CP2102 driver
177 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
177 177  
178 -== Pin Mapping & LED ==
179 179  
180 -== Example Send & Get Messages via LoRaWAN in PC ==
181 181  
182 -Connect the LA66 LoRa Shield to the PC
181 +(% 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**
183 183  
184 -[[image:image-20220602171217-1.png||height="615" width="915"]]
185 185  
186 -Open the serial port tool
184 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
187 187  
188 -[[image:image-20220602161617-8.png]]
189 189  
190 -[[image:image-20220602161718-9.png||height="529" width="927"]]
187 +LA66~-~-node-red~-~-decoder:[[dragino-end-node-decoder/Node-RED at main · dragino/dragino-end-node-decoder · GitHub>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED]]
191 191  
192 -Press the reset switch RST on the LA66 LoRa Shield.
193 193  
194 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
195 195  
196 -[[image:image-20220602161935-10.png]]
191 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
197 197  
198 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
199 199  
200 -example: AT+SENDB=01,02,8,05820802581ea0a5
194 +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/]]
201 201  
202 -[[image:image-20220602162157-11.png]]
203 203  
204 -Check to see if TTN received the message
197 +[[image:image-20220723175700-12.png||height="602" width="995"]]
205 205  
206 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
207 207  
208 -== Example Send & Get Messages via LoRaWAN in RPi ==
209 209  
210 -Connect the LA66 LoRa Shield to the RPI
201 +== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
211 211  
212 -[[image:image-20220602171233-2.png||height="592" width="881"]]
213 213  
214 -Log in to the RPI's terminal and connect to the serial port
204 +=== 1.8.1  Items needed for update ===
215 215  
216 -[[image:image-20220602153146-3.png]]
217 217  
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
207 +1. LA66 LoRaWAN Shield
208 +1. Arduino
209 +1. USB TO TTL Adapter
220 220  
221 -[[image:image-20220602154928-5.png]]
211 +[[image:image-20220602100052-2.png||height="385" width="600"]]
222 222  
223 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
224 224  
225 -example: AT+SENDB=01,02,8,05820802581ea0a5
226 226  
227 -[[image:image-20220602160339-6.png]]
215 +=== 1.8.2  Connection ===
228 228  
229 -Check to see if TTN received the message
230 230  
231 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
218 +[[image:image-20220602101311-3.png||height="276" width="600"]]
232 232  
233 -=== Install Minicom ===
234 234  
235 -Enter the following command in the RPI terminal
221 +(((
222 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
223 +)))
236 236  
237 -apt update
225 +(((
226 +(% style="background-color:yellow" %)**GND  <-> GND
227 +TXD  <->  TXD
228 +RXD  <->  RXD**
229 +)))
238 238  
239 -[[image:image-20220602143155-1.png]]
240 240  
241 -apt install minicom
232 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
242 242  
243 -[[image:image-20220602143744-2.png]]
234 +Connect USB TTL Adapter to PC after connecting the wires
244 244  
245 -=== Send PC's CPU/RAM usage to TTN via script. ===
246 246  
247 -==== Take python as an example： ====
237 +[[image:image-20220602102240-4.png||height="304" width="600"]]
248 248  
249 -===== Preconditions: =====
250 250  
251 -1.LA66 USB LoRaWAN Adapter works fine
252 252  
253 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
241 +=== 1.8.3  Upgrade steps ===
254 254  
255 -===== Steps for usage =====
256 256  
257 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
258 258  
259 -2.Run the script and see the TTN
245 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
260 260  
261 -[[image:image-20220602115852-3.png]]
262 262  
248 +[[image:image-20220602102824-5.png||height="306" width="600"]]
263 263  
264 264  
265 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
266 266  
252 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
267 267  
268 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
269 269  
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 += 4.  Reference =
352 +
353 +
354 +* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
355 +
270 270  
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