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Last modified by Xiaoling on 2023/05/26 14:19
From version 149.1
edited by Xiaoling
on 2022/08/17 08:56
Change comment: Uploaded new attachment "image-20220817085646-1.jpeg", version {1}
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
... ... @@ -89,257 +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]]
99 99  
62 +== Pin Mapping ==
100 100  
101 -~1. The LED lights up red when there is an upstream data packet
102 -2. When the network is successfully connected, the green light will be on for 5 seconds
103 -3. Purple light on when receiving downlink data packets
64 +[[image:image-20220523101537-1.png]]
104 104  
66 +== Land Pattern ==
105 105  
68 +[[image:image-20220517072821-2.png]]
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
108 108  
71 +== Part Number ==
109 109  
110 -**Show connection diagram：**
73 +Part Number: **LA66-XXX**
111 111  
75 +**XX**: The default frequency band
112 112  
113 -[[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
114 114  
115 115  
88 += LA66 LoRaWAN Shield =
116 116  
117 -(% 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.
118 118  
92 +== Pin Mapping & LED ==
119 119  
120 -[[image:image-20220723170545-4.png]]
94 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
121 121  
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 -(% style="color:blue" %)**2.  Open project**
100 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
125 125  
102 +=== what needs to be used ===
126 126  
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]]
104 +1.LA66 LoRaWAN Shield that needs to be upgraded
128 128  
129 -[[image:image-20220726135239-1.png]]
106 +2.Arduino
130 130  
108 +3.USB TO TTL
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**
110 +[[image:image-20220602100052-2.png]]
133 133  
134 -[[image:image-20220726135356-2.png]]
112 +=== Wiring Schematic ===
135 135  
114 +[[image:image-20220602101311-3.png]]
136 136  
137 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
116 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
138 138  
118 +GND  >>>>>>>>>>>>GND
139 139  
140 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
120 +TXD  >>>>>>>>>>>>TXD
141 141  
122 +RXD  >>>>>>>>>>>>RXD
142 142  
124 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
143 143  
144 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
126 +Connect to the PC after connecting the wires
145 145  
128 +[[image:image-20220602102240-4.png]]
146 146  
147 -(% style="color:blue" %)**1.  Open project**
130 +=== Upgrade steps ===
148 148  
132 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
149 149  
150 -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]]
134 +[[image:image-20220602102824-5.png]]
151 151  
136 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
152 152  
153 -[[image:image-20220723172502-8.png]]
138 +[[image:image-20220602104701-12.png]]
154 154  
140 +==== Open the upgrade application software ====
155 155  
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/]]
156 156  
157 -(% 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**
144 +[[image:image-20220602103227-6.png]]
158 158  
146 +[[image:image-20220602103357-7.png]]
159 159  
160 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
148 +===== Select the COM port corresponding to USB TTL =====
161 161  
150 +[[image:image-20220602103844-8.png]]
162 162  
152 +===== Select the bin file to burn =====
163 163  
164 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
154 +[[image:image-20220602104144-9.png]]
165 165  
156 +[[image:image-20220602104251-10.png]]
166 166  
167 -(% style="color:blue" %)**1.  Open project**
158 +[[image:image-20220602104402-11.png]]
168 168  
160 +===== Click to start the download =====
169 169  
170 -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]]
162 +[[image:image-20220602104923-13.png]]
171 171  
164 +===== The following figure appears to prove that the burning is in progress =====
172 172  
173 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
166 +[[image:image-20220602104948-14.png]]
174 174  
168 +===== The following picture appears to prove that the burning is successful =====
175 175  
170 +[[image:image-20220602105251-15.png]]
176 176  
177 -(% 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**
172 += LA66 USB LoRaWAN Adapter =
178 178  
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.
179 179  
180 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
176 +Before use, please make sure that the computer has installed the CP2102 driver
181 181  
178 +== Pin Mapping & LED ==
182 182  
180 +== Example Send & Get Messages via LoRaWAN in PC ==
183 183  
184 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
182 +Connect the LA66 LoRa Shield to the PC
185 185  
186 -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/]]
184 +[[image:image-20220602171217-1.png||height="615" width="915"]]
187 187  
188 -[[image:image-20220723175700-12.png||height="602" width="995"]]
186 +Open the serial port tool
189 189  
188 +[[image:image-20220602161617-8.png]]
190 190  
190 +[[image:image-20220602161718-9.png||height="529" width="927"]]
191 191  
192 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
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
194 194  
195 -=== 1.8.1  Items needed for update ===
196 +[[image:image-20220602161935-10.png]]
196 196  
198 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
197 197  
198 -1. LA66 LoRaWAN Shield
199 -1. Arduino
200 -1. USB TO TTL Adapter
200 +example: AT+SENDB=01,02,8,05820802581ea0a5
201 201  
202 -[[image:image-20220602100052-2.png||height="385" width="600"]]
202 +[[image:image-20220602162157-11.png]]
203 203  
204 +Check to see if TTN received the message
204 204  
206 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
205 205  
206 -=== 1.8.2  Connection ===
208 +== Example Send & Get Messages via LoRaWAN in RPi ==
207 207  
210 +Connect the LA66 LoRa Shield to the RPI
208 208  
209 -[[image:image-20220602101311-3.png||height="276" width="600"]]
212 +[[image:image-20220602171233-2.png||height="592" width="881"]]
210 210  
214 +Log in to the RPI's terminal and connect to the serial port
211 211  
212 -(((
213 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
214 -)))
216 +[[image:image-20220602153146-3.png]]
215 215  
216 -(((
217 -(% style="background-color:yellow" %)**GND  <-> GND
218 -TXD  <->  TXD
219 -RXD  <->  RXD**
220 -)))
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
221 221  
221 +[[image:image-20220602154928-5.png]]
222 222  
223 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
223 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
224 224  
225 -Connect USB TTL Adapter to PC after connecting the wires
225 +example: AT+SENDB=01,02,8,05820802581ea0a5
226 226  
227 +[[image:image-20220602160339-6.png]]
227 227  
228 -[[image:image-20220602102240-4.png||height="304" width="600"]]
229 +Check to see if TTN received the message
229 229  
231 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
230 230  
233 +=== Install Minicom ===
231 231  
232 -=== 1.8.3  Upgrade steps ===
235 +Enter the following command in the RPI terminal
233 233  
237 +apt update
234 234  
239 +[[image:image-20220602143155-1.png]]
235 235  
236 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
241 +apt install minicom
237 237  
243 +[[image:image-20220602143744-2.png]]
238 238  
239 -[[image:image-20220602102824-5.png||height="306" width="600"]]
245 +=== Send PC's CPU/RAM usage to TTN via script. ===
240 240  
247 +==== Take python as an example： ====
241 241  
249 +===== Preconditions: =====
242 242  
243 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
251 +1.LA66 USB LoRaWAN Adapter works fine
244 244  
253 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
245 245  
246 -[[image:image-20220817085447-1.png]]
255 +===== Steps for usage =====
247 247  
257 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
248 248  
259 +2.Run the script and see the TTN
249 249  
261 +[[image:image-20220602115852-3.png]]
250 250  
251 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
252 252  
253 253  
254 -(((
255 -(% style="color:blue" %)**1. 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/]]**
256 -)))
265 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
257 257  
258 258  
259 -[[image:image-20220602103227-6.png]]
268 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
260 260  
261 -
262 -[[image:image-20220602103357-7.png]]
263 -
264 -
265 -
266 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
267 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
268 -
269 -
270 -[[image:image-20220602103844-8.png]]
271 -
272 -
273 -
274 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
275 -(% style="color:blue" %)**3. Select the bin file to burn**
276 -
277 -
278 -[[image:image-20220602104144-9.png]]
279 -
280 -
281 -[[image:image-20220602104251-10.png]]
282 -
283 -
284 -[[image:image-20220602104402-11.png]]
285 -
286 -
287 -
288 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
289 -(% style="color:blue" %)**4. Click to start the download**
290 -
291 -[[image:image-20220602104923-13.png]]
292 -
293 -
294 -
295 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
296 -(% style="color:blue" %)**5. Check update process**
297 -
298 -
299 -[[image:image-20220602104948-14.png]]
300 -
301 -
302 -
303 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
304 -(% style="color:blue" %)**The following picture shows that the burning is successful**
305 -
306 -[[image:image-20220602105251-15.png]]
307 -
308 -
309 -
310 -= 2.  FAQ =
311 -
312 -
313 -== 2.1  How to Compile Source Code for LA66? ==
314 -
315 -
316 -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]]
317 -
318 -
319 -
320 -= 3.  Order Info =
321 -
322 -
323 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
324 -
325 -
326 -(% style="color:blue" %)**XXX**(%%): The default frequency band
327 -
328 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
329 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
330 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
331 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
332 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
333 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
334 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
335 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
336 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
337 -
338 -
339 -
340 -= 4.  Reference =
341 -
342 -
343 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
344 -
345 345  
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