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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 65.1
edited by Edwin Chen
on 2022/07/02 23:30
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  
19 +== Features ==
52 52  
53 53  
54 -== 1.2  Features ==
22 +== Specification ==
55 55  
24 +[[image:image-20220517072526-1.png]]
56 56  
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
59 -* Support peer-to-peer protocol
60 -* TCXO crystal to ensure RF performance on low temperature
61 -* SMA connector
62 -* Available in different frequency LoRaWAN frequency bands.
63 -* World-wide unique OTAA keys.
64 -* AT Command via UART-TTL interface
65 -* Firmware upgradable via UART interface
66 -* Ultra-long RF range
26 +Input Power Range: 1.8v ~~ 3.7v
67 67  
28 +Power Consumption: < 4uA.
68 68  
30 +Frequency Range: 150 MHz ~~ 960 MHz
69 69  
32 +Maximum Power +22 dBm constant RF output
70 70  
71 -== 1.3  Specification ==
34 +High sensitivity: -148 dBm
72 72  
36 +Temperature:
73 73  
74 -* CPU: 32-bit 48 MHz
75 -* Flash: 256KB
76 -* RAM: 64KB
77 -* Input Power Range: 1.8v ~~ 3.7v
78 -* Power Consumption: < 4uA.
79 -* Frequency Range: 150 MHz ~~ 960 MHz
80 -* Maximum Power +22 dBm constant RF output
81 -* High sensitivity: -148 dBm
82 -* Temperature:
83 -** Storage: -55 ~~ +125℃
84 -** Operating: -40 ~~ +85℃
85 -* Humidity:
86 -** Storage: 5 ~~ 95% (Non-Condensing)
87 -** Operating: 10 ~~ 95% (Non-Condensing)
88 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
89 -* LoRa Rx current: <9 mA
90 -* I/O Voltage: 3.3v
38 +* Storage: -55 ~~ +125℃
39 +* Operating: -40 ~~ +85℃
91 91  
41 +Humidity:
92 92  
43 +* Storage: 5 ~~ 95% (Non-Condensing)
44 +* Operating: 10 ~~ 95% (Non-Condensing)
93 93  
46 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
94 94  
95 -== 1.4  Pin Mapping & LED ==
48 +LoRa Rx current: <9 mA
96 96  
50 +I/O Voltage: 3.3v
97 97  
98 -[[image:image-20220817085048-1.png]]
99 99  
53 +== AT Command ==
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
55 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
104 104  
105 105  
58 +== Pin Mapping ==
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
60 +[[image:image-20220523101537-1.png]]
108 108  
62 +== Land Pattern ==
109 109  
110 -**Show connection diagram：**
64 +[[image:image-20220517072821-2.png]]
111 111  
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
67 +== Part Number ==
114 114  
69 +Part Number: **LA66-XXX**
115 115  
71 +**XX**: The default frequency band
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
73 +* **AS923**: LoRaWAN AS923 band
74 +* **AU915**: LoRaWAN AU915 band
75 +* **EU433**: LoRaWAN EU433 band
76 +* **EU868**: LoRaWAN EU868 band
77 +* **KR920**: LoRaWAN KR920 band
78 +* **US915**: LoRaWAN US915 band
79 +* **IN865**: LoRaWAN IN865 band
80 +* **CN470**: LoRaWAN CN470 band
118 118  
82 += LA66 LoRaWAN Shield =
119 119  
120 -[[image:image-20220723170545-4.png]]
84 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
121 121  
86 +== Pin Mapping & LED ==
122 122  
88 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
123 123  
124 -(% style="color:blue" %)**2.  Open project**
90 +== Example: Join TTN network and send an uplink message, get downlink message. ==
125 125  
92 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
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]]
94 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
128 128  
129 -[[image:image-20220726135239-1.png]]
96 +=== what needs to be used ===
130 130  
98 +1.LA66 LoRaWAN Shield that needs to be upgraded
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**
100 +2.Arduino
133 133  
134 -[[image:image-20220726135356-2.png]]
102 +3.USB TO TTL
135 135  
104 +[[image:image-20220602100052-2.png]]
136 136  
137 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
106 +=== Wiring Schematic ===
138 138  
108 +[[image:image-20220602101311-3.png]]
139 139  
140 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
110 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
141 141  
112 +GND  >>>>>>>>>>>>GND
142 142  
114 +TXD  >>>>>>>>>>>>TXD
143 143  
144 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
116 +RXD  >>>>>>>>>>>>RXD
145 145  
118 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
146 146  
147 -(% style="color:blue" %)**1.  Open project**
120 +Connect to the PC after connecting the wires
148 148  
122 +[[image:image-20220602102240-4.png]]
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]]
124 +=== Upgrade steps ===
151 151  
126 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
152 152  
153 -[[image:image-20220723172502-8.png]]
128 +[[image:image-20220602102824-5.png]]
154 154  
130 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
155 155  
132 +[[image:image-20220602104701-12.png]]
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**
134 +==== Open the upgrade application software ====
158 158  
136 +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/]]
159 159  
160 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
138 +[[image:image-20220602103227-6.png]]
161 161  
140 +[[image:image-20220602103357-7.png]]
162 162  
142 +===== Select the COM port corresponding to USB TTL =====
163 163  
164 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
144 +[[image:image-20220602103844-8.png]]
165 165  
146 +===== Select the bin file to burn =====
166 166  
167 -(% style="color:blue" %)**1.  Open project**
148 +[[image:image-20220602104144-9.png]]
168 168  
150 +[[image:image-20220602104251-10.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]]
152 +[[image:image-20220602104402-11.png]]
171 171  
154 +===== Click to start the download =====
172 172  
173 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
156 +[[image:image-20220602104923-13.png]]
174 174  
158 +===== The following figure appears to prove that the burning is in progress =====
175 175  
160 +[[image:image-20220602104948-14.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**
162 +===== The following picture appears to prove that the burning is successful =====
178 178  
164 +[[image:image-20220602105251-15.png]]
179 179  
180 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
166 += LA66 USB LoRaWAN Adapter =
181 181  
168 +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.
182 182  
170 +Before use, please make sure that the computer has installed the CP2102 driver
183 183  
184 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
172 +== Pin Mapping & LED ==
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/]]
174 +== Example Send & Get Messages via LoRaWAN in PC ==
187 187  
188 -[[image:image-20220723175700-12.png||height="602" width="995"]]
176 +Connect the LA66 LoRa Shield to the PC
189 189  
178 +[[image:image-20220602171217-1.png||height="615" width="915"]]
190 190  
180 +Open the serial port tool
191 191  
192 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
182 +[[image:image-20220602161617-8.png]]
193 193  
184 +[[image:image-20220602161718-9.png||height="529" width="927"]]
194 194  
195 -=== 1.8.1  Items needed for update ===
186 +Press the reset switch RST on the LA66 LoRa Shield.
196 196  
188 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
197 197  
198 -1. LA66 LoRaWAN Shield
199 -1. Arduino
200 -1. USB TO TTL Adapter
190 +[[image:image-20220602161935-10.png]]
201 201  
202 -[[image:image-20220602100052-2.png||height="385" width="600"]]
192 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
203 203  
194 +example: AT+SENDB=01,02,8,05820802581ea0a5
204 204  
196 +[[image:image-20220602162157-11.png]]
205 205  
206 -=== 1.8.2  Connection ===
198 +Check to see if TTN received the message
207 207  
200 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
208 208  
209 -[[image:image-20220602101311-3.png||height="276" width="600"]]
202 +== Example Send & Get Messages via LoRaWAN in RPi ==
210 210  
204 +Connect the LA66 LoRa Shield to the RPI
211 211  
212 -(((
213 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
214 -)))
206 +[[image:image-20220602171233-2.png||height="592" width="881"]]
215 215  
216 -(((
217 -(% style="background-color:yellow" %)**GND  <-> GND
218 -TXD  <->  TXD
219 -RXD  <->  RXD**
220 -)))
208 +Log in to the RPI's terminal and connect to the serial port
221 221  
210 +[[image:image-20220602153146-3.png]]
222 222  
223 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
212 +Press the reset switch RST on the LA66 LoRa Shield.
213 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
224 224  
225 -Connect USB TTL Adapter to PC after connecting the wires
215 +[[image:image-20220602154928-5.png]]
226 226  
217 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
227 227  
228 -[[image:image-20220602102240-4.png||height="304" width="600"]]
219 +example: AT+SENDB=01,02,8,05820802581ea0a5
229 229  
221 +[[image:image-20220602160339-6.png]]
230 230  
223 +Check to see if TTN received the message
231 231  
232 -=== 1.8.3  Upgrade steps ===
225 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
233 233  
227 +=== Install Minicom ===
234 234  
229 +Enter the following command in the RPI terminal
235 235  
236 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
231 +apt update
237 237  
233 +[[image:image-20220602143155-1.png]]
238 238  
239 -[[image:image-20220602102824-5.png||height="306" width="600"]]
235 +apt install minicom
240 240  
237 +[[image:image-20220602143744-2.png]]
241 241  
239 +=== Send PC's CPU/RAM usage to TTN via script. ===
242 242  
243 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
241 +==== Take python as an example： ====
244 244  
243 +===== Preconditions: =====
245 245  
246 -[[image:image-20220817085447-1.png]]
245 +1.LA66 USB LoRaWAN Adapter works fine
247 247  
247 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
248 248  
249 +===== Steps for usage =====
249 249  
251 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
250 250  
251 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
253 +2.Run the script and see the TTN
252 252  
255 +[[image:image-20220602115852-3.png]]
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  
258 258  
259 -[[image:image-20220602103227-6.png]]
259 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
260 260  
261 261  
262 -[[image:image-20220602103357-7.png]]
262 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
263 263  
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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