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Last modified by Xiaoling on 2023/05/26 14:19
From version 148.3
edited by Xiaoling
on 2022/08/17 08:55
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.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  
32 +== Specification ==
71 71  
72 -== 1.3  Specification ==
73 -
74 -
75 75  * CPU: 32-bit 48 MHz
76 76  * Flash: 256KB
77 77  * RAM: 64KB
... ... @@ -90,258 +90,222 @@
90 90  * LoRa Rx current: <9 mA
91 91  * I/O Voltage: 3.3v
92 92  
52 +== AT Command ==
93 93  
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.
94 94  
95 -== 1.4  Pin Mapping & LED ==
96 96  
57 +== Dimension ==
97 97  
98 -[[image:image-20220817085048-1.png]]
59 +[[image:image-20220517072526-1.png]]
99 99  
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
62 +== Pin Mapping ==
104 104  
64 +[[image:image-20220523101537-1.png]]
105 105  
66 +== Land Pattern ==
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
68 +[[image:image-20220517072821-2.png]]
108 108  
109 109  
110 -**Show connection diagram：**
71 +== Part Number ==
111 111  
73 +Part Number: **LA66-XXX**
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
75 +**XX**: The default frequency band
114 114  
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
115 115  
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
88 += LA66 LoRaWAN Shield =
118 118  
90 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
119 119  
120 -[[image:image-20220723170545-4.png]]
92 +== Pin Mapping & LED ==
121 121  
94 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
122 122  
96 +== Example: Join TTN network and send an uplink message, get downlink message. ==
123 123  
124 -(% style="color:blue" %)**2.  Open project**
98 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
125 125  
100 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
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]]
102 +=== what needs to be used ===
128 128  
129 -[[image:image-20220726135239-1.png]]
104 +1.LA66 LoRaWAN Shield that needs to be upgraded
130 130  
106 +2.Arduino
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**
108 +3.USB TO TTL
133 133  
134 -[[image:image-20220726135356-2.png]]
110 +[[image:image-20220602100052-2.png]]
135 135  
112 +=== Wiring Schematic ===
136 136  
137 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
114 +[[image:image-20220602101311-3.png]]
138 138  
116 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
139 139  
140 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
118 +GND  >>>>>>>>>>>>GND
141 141  
120 +TXD  >>>>>>>>>>>>TXD
142 142  
122 +RXD  >>>>>>>>>>>>RXD
143 143  
144 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
124 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
145 145  
126 +Connect to the PC after connecting the wires
146 146  
147 -(% style="color:blue" %)**1.  Open project**
128 +[[image:image-20220602102240-4.png]]
148 148  
130 +=== Upgrade steps ===
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]]
132 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
151 151  
134 +[[image:image-20220602102824-5.png]]
152 152  
153 -[[image:image-20220723172502-8.png]]
136 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
154 154  
138 +[[image:image-20220602104701-12.png]]
155 155  
140 +==== Open the upgrade application software ====
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**
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/]]
158 158  
144 +[[image:image-20220602103227-6.png]]
159 159  
160 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
146 +[[image:image-20220602103357-7.png]]
161 161  
148 +===== Select the COM port corresponding to USB TTL =====
162 162  
150 +[[image:image-20220602103844-8.png]]
163 163  
164 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
152 +===== Select the bin file to burn =====
165 165  
154 +[[image:image-20220602104144-9.png]]
166 166  
167 -(% style="color:blue" %)**1.  Open project**
156 +[[image:image-20220602104251-10.png]]
168 168  
158 +[[image:image-20220602104402-11.png]]
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]]
160 +===== Click to start the download =====
171 171  
162 +[[image:image-20220602104923-13.png]]
172 172  
173 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
164 +===== The following figure appears to prove that the burning is in progress =====
174 174  
166 +[[image:image-20220602104948-14.png]]
175 175  
168 +===== The following picture appears to prove that the burning is successful =====
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**
170 +[[image:image-20220602105251-15.png]]
178 178  
172 += LA66 USB LoRaWAN Adapter =
179 179  
180 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
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.
181 181  
176 +Before use, please make sure that the computer has installed the CP2102 driver
182 182  
178 +== Pin Mapping & LED ==
183 183  
184 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
180 +== Example Send & Get Messages via LoRaWAN in 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/]]
182 +Connect the LA66 LoRa Shield to the PC
187 187  
188 -[[image:image-20220723175700-12.png||height="602" width="995"]]
184 +[[image:image-20220602171217-1.png||height="615" width="915"]]
189 189  
186 +Open the serial port tool
190 190  
188 +[[image:image-20220602161617-8.png]]
191 191  
192 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
190 +[[image:image-20220602161718-9.png||height="529" width="927"]]
193 193  
192 +Press the reset switch RST on the LA66 LoRa Shield.
194 194  
195 -=== 1.8.1  Items needed for update ===
194 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
196 196  
196 +[[image:image-20220602161935-10.png]]
197 197  
198 -1. LA66 LoRaWAN Shield
199 -1. Arduino
200 -1. USB TO TTL Adapter
198 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
201 201  
202 -[[image:image-20220602100052-2.png||height="385" width="600"]]
200 +example: AT+SENDB=01,02,8,05820802581ea0a5
203 203  
202 +[[image:image-20220602162157-11.png]]
204 204  
204 +Check to see if TTN received the message
205 205  
206 -=== 1.8.2  Connection ===
206 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
207 207  
208 +== Example Send & Get Messages via LoRaWAN in RPi ==
208 208  
209 -[[image:image-20220602101311-3.png||height="276" width="600"]]
210 +Connect the LA66 LoRa Shield to the RPI
210 210  
212 +[[image:image-20220602171233-2.png||height="592" width="881"]]
211 211  
212 -(((
213 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
214 -)))
214 +Log in to the RPI's terminal and connect to the serial port
215 215  
216 -(((
217 -(% style="background-color:yellow" %)**GND  <-> GND
218 -TXD  <->  TXD
219 -RXD  <->  RXD**
220 -)))
216 +[[image:image-20220602153146-3.png]]
221 221  
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
222 222  
223 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
221 +[[image:image-20220602154928-5.png]]
224 224  
225 -Connect USB TTL Adapter to PC after connecting the wires
223 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
226 226  
225 +example: AT+SENDB=01,02,8,05820802581ea0a5
227 227  
228 -[[image:image-20220602102240-4.png||height="304" width="600"]]
227 +[[image:image-20220602160339-6.png]]
229 229  
229 +Check to see if TTN received the message
230 230  
231 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
231 231  
232 -=== 1.8.3  Upgrade steps ===
233 +=== Install Minicom ===
233 233  
235 +Enter the following command in the RPI terminal
234 234  
237 +apt update
235 235  
236 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
239 +[[image:image-20220602143155-1.png]]
237 237  
241 +apt install minicom
238 238  
239 -[[image:image-20220602102824-5.png||height="306" width="600"]]
243 +[[image:image-20220602143744-2.png]]
240 240  
245 +=== Send PC's CPU/RAM usage to TTN via script. ===
241 241  
247 +==== Take python as an example： ====
242 242  
243 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
249 +===== Preconditions: =====
244 244  
251 +1.LA66 USB LoRaWAN Adapter works fine
245 245  
246 -[[image:image-20220817085447-1.png]]
253 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
247 247  
255 +===== Steps for usage =====
248 248  
257 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
249 249  
259 +2.Run the script and see the TTN
250 250  
251 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
261 +[[image:image-20220602115852-3.png]]
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 -)))
257 257  
265 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
258 258  
259 -[[image:image-20220602103227-6.png]]
260 260  
268 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
261 261  
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 -
341 -= 4.  Reference =
342 -
343 -
344 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
345 -
346 -
347 347  
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