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Last modified by Xiaoling on 2023/05/26 14:19
From version 165.1
edited by Edwin Chen
on 2022/09/24 13:43
Change comment: There is no comment for this version
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
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  
69 -== 1.3  Specification ==
30 +Frequency Range: 150 MHz ~~ 960 MHz
70 70  
32 +Maximum Power +22 dBm constant RF output
71 71  
72 -* CPU: 32-bit 48 MHz
73 -* Flash: 256KB
74 -* RAM: 64KB
75 -* Input Power Range: 1.8v ~~ 3.7v
76 -* Power Consumption: < 4uA.
77 -* Frequency Range: 150 MHz ~~ 960 MHz
78 -* Maximum Power +22 dBm constant RF output
79 -* High sensitivity: -148 dBm
80 -* Temperature:
81 -** Storage: -55 ~~ +125℃
82 -** Operating: -40 ~~ +85℃
83 -* Humidity:
84 -** Storage: 5 ~~ 95% (Non-Condensing)
85 -** Operating: 10 ~~ 95% (Non-Condensing)
86 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
87 -* LoRa Rx current: <9 mA
88 -* I/O Voltage: 3.3v
34 +High sensitivity: -148 dBm
89 89  
36 +Temperature:
90 90  
91 -== 1.4  Pin Mapping & LED ==
38 +* Storage: -55 ~~ +125℃
39 +* Operating: -40 ~~ +85℃
92 92  
41 +Humidity:
93 93  
94 -[[image:image-20220817085048-1.png||height="533" width="734"]]
43 +* Storage: 5 ~~ 95% (Non-Condensing)
44 +* Operating: 10 ~~ 95% (Non-Condensing)
95 95  
46 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
96 96  
48 +LoRa Rx current: <9 mA
97 97  
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
50 +I/O Voltage: 3.3v
101 101  
102 102  
103 -[[image:image-20220820112305-1.png||height="515" width="749"]]
53 +== AT Command ==
104 104  
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.
105 105  
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
58 +== Pin Mapping ==
108 108  
60 +[[image:image-20220523101537-1.png]]
109 109  
110 -**Show connection diagram：**
62 +== Land Pattern ==
111 111  
64 +[[image:image-20220517072821-2.png]]
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
114 114  
67 +== Part Number ==
115 115  
69 +Part Number: **LA66-XXX**
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
71 +**XX**: The default frequency band
118 118  
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
119 119  
120 -[[image:image-20220723170545-4.png]]
82 += LA66 LoRaWAN Shield =
121 121  
84 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
122 122  
86 +== Pin Mapping & LED ==
123 123  
124 -(% style="color:blue" %)**2.  Open project**
88 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
125 125  
90 +== Example: Join TTN network and send an uplink message, get downlink message. ==
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]]
92 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
128 128  
94 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
129 129  
130 -[[image:image-20220726135239-1.png]]
96 +=== what needs to be used ===
131 131  
98 +1.LA66 LoRaWAN Shield that needs to be upgraded
132 132  
100 +2.Arduino
133 133  
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**
102 +3.USB TO TTL
135 135  
104 +[[image:image-20220602100052-2.png]]
136 136  
137 -[[image:image-20220726135356-2.png]]
106 +=== Wiring Schematic ===
138 138  
108 +[[image:image-20220602101311-3.png]]
139 139  
110 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
140 140  
141 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
112 +GND  >>>>>>>>>>>>GND
142 142  
114 +TXD  >>>>>>>>>>>>TXD
143 143  
144 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
116 +RXD  >>>>>>>>>>>>RXD
145 145  
118 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
146 146  
120 +Connect to the PC after connecting the wires
147 147  
148 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
122 +[[image:image-20220602102240-4.png]]
149 149  
124 +=== Upgrade steps ===
150 150  
151 -(% style="color:blue" %)**1.  Open project**
126 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
152 152  
128 +[[image:image-20220602102824-5.png]]
153 153  
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]]
130 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
155 155  
132 +[[image:image-20220602104701-12.png]]
156 156  
157 -[[image:image-20220723172502-8.png]]
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  
138 +[[image:image-20220602103227-6.png]]
160 160  
161 -(% 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**
140 +[[image:image-20220602103357-7.png]]
162 162  
142 +===== Select the COM port corresponding to USB TTL =====
163 163  
164 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
144 +[[image:image-20220602103844-8.png]]
165 165  
146 +===== Select the bin file to burn =====
166 166  
148 +[[image:image-20220602104144-9.png]]
167 167  
168 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
150 +[[image:image-20220602104251-10.png]]
169 169  
152 +[[image:image-20220602104402-11.png]]
170 170  
171 -(% style="color:blue" %)**1.  Open project**
154 +===== Click to start the download =====
172 172  
156 +[[image:image-20220602104923-13.png]]
173 173  
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]]
158 +===== The following figure appears to prove that the burning is in progress =====
175 175  
160 +[[image:image-20220602104948-14.png]]
176 176  
177 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
162 +===== The following picture appears to prove that the burning is successful =====
178 178  
164 +[[image:image-20220602105251-15.png]]
179 179  
166 += LA66 USB LoRaWAN Adapter =
180 180  
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**
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 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
172 +== Pin Mapping & LED ==
185 185  
174 +== Example Send & Get Messages via LoRaWAN in PC ==
186 186  
176 +Connect the LA66 LoRa Shield to the PC
187 187  
178 +[[image:image-20220602171217-1.png||height="615" width="915"]]
188 188  
180 +Open the serial port tool
189 189  
190 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
182 +[[image:image-20220602161617-8.png]]
191 191  
184 +[[image:image-20220602161718-9.png||height="529" width="927"]]
192 192  
193 -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/]]
186 +Press the reset switch RST on the LA66 LoRa Shield.
194 194  
188 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
195 195  
196 -[[image:image-20220723175700-12.png||height="602" width="995"]]
190 +[[image:image-20220602161935-10.png]]
197 197  
192 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
198 198  
194 +example: AT+SENDB=01,02,8,05820802581ea0a5
199 199  
200 -== 1.8  Example: How to join helium ==
196 +[[image:image-20220602162157-11.png]]
201 201  
198 +Check to see if TTN received the message
202 202  
203 -(% style="color:blue" %)**1.  Create a new device.**
200 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
204 204  
202 +== Example Send & Get Messages via LoRaWAN in RPi ==
205 205  
206 -[[image:image-20220907165500-1.png||height="464" width="940"]]
204 +Connect the LA66 LoRa Shield to the RPI
207 207  
206 +[[image:image-20220602171233-2.png||height="592" width="881"]]
208 208  
208 +Log in to the RPI's terminal and connect to the serial port
209 209  
210 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
210 +[[image:image-20220602153146-3.png]]
211 211  
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
212 212  
213 -[[image:image-20220907165837-2.png||height="375" width="809"]]
215 +[[image:image-20220602154928-5.png]]
214 214  
217 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
215 215  
219 +example: AT+SENDB=01,02,8,05820802581ea0a5
216 216  
217 -(% style="color:blue" %)**3.  Use AT commands.**
221 +[[image:image-20220602160339-6.png]]
218 218  
223 +Check to see if TTN received the message
219 219  
220 -[[image:image-20220602100052-2.png||height="385" width="600"]]
225 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
221 221  
227 +=== Install Minicom ===
222 222  
229 +Enter the following command in the RPI terminal
223 223  
224 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
231 +apt update
225 225  
233 +[[image:image-20220602143155-1.png]]
226 226  
227 -[[image:image-20220907170308-3.png||height="556" width="617"]]
235 +apt install minicom
228 228  
237 +[[image:image-20220602143744-2.png]]
229 229  
239 +=== Send PC's CPU/RAM usage to TTN via script. ===
230 230  
231 -(% style="color:blue" %)**5.  Network successfully.**
241 +==== Take python as an example： ====
232 232  
243 +===== Preconditions: =====
233 233  
234 -[[image:image-20220907170436-4.png]]
245 +1.LA66 USB LoRaWAN Adapter works fine
235 235  
247 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
236 236  
249 +===== Steps for usage =====
237 237  
238 -(% style="color:blue" %)**6.  Send uplink using command**
251 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
239 239  
253 +2.Run the script and see the TTN
240 240  
241 -[[image:image-20220912084334-1.png]]
255 +[[image:image-20220602115852-3.png]]
242 242  
243 243  
244 -[[image:image-20220912084412-3.png]]
245 245  
259 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
246 246  
247 247  
248 -[[image:image-20220907170744-6.png||height="242" width="798"]]
262 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
249 249  
250 -
251 -
252 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
253 -
254 -
255 -=== 1.9.1  Items needed for update ===
256 -
257 -
258 -1. LA66 LoRaWAN Shield
259 -1. Arduino
260 -1. USB TO TTL Adapter
261 -
262 -[[image:image-20220602100052-2.png||height="385" width="600"]]
263 -
264 -
265 -
266 -=== 1.9.2  Connection ===
267 -
268 -
269 -[[image:image-20220602101311-3.png||height="276" width="600"]]
270 -
271 -
272 -(((
273 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
274 -)))
275 -
276 -(((
277 -(% style="background-color:yellow" %)**GND  <-> GND
278 -TXD  <->  TXD
279 -RXD  <->  RXD**
280 -)))
281 -
282 -
283 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
284 -
285 -Connect USB TTL Adapter to PC after connecting the wires
286 -
287 -
288 -[[image:image-20220602102240-4.png||height="304" width="600"]]
289 -
290 -
291 -
292 -=== 1.9.3  Upgrade steps ===
293 -
294 -
295 -
296 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
297 -
298 -
299 -[[image:image-20220602102824-5.png||height="306" width="600"]]
300 -
301 -
302 -
303 -
304 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
305 -
306 -
307 -[[image:image-20220817085447-1.png]]
308 -
309 -
310 -
311 -
312 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
313 -
314 -
315 -
316 -(((
317 -(% 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]]**
318 -)))
319 -
320 -
321 -[[image:image-20220602103227-6.png]]
322 -
323 -
324 -[[image:image-20220602103357-7.png]]
325 -
326 -
327 -
328 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
329 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
330 -
331 -
332 -[[image:image-20220602103844-8.png]]
333 -
334 -
335 -
336 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
337 -(% style="color:blue" %)**3.  Select the bin file to burn**
338 -
339 -
340 -[[image:image-20220602104144-9.png]]
341 -
342 -
343 -[[image:image-20220602104251-10.png]]
344 -
345 -
346 -[[image:image-20220602104402-11.png]]
347 -
348 -
349 -
350 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
351 -(% style="color:blue" %)**4.  Click to start the download**
352 -
353 -
354 -[[image:image-20220602104923-13.png]]
355 -
356 -
357 -
358 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
359 -(% style="color:blue" %)**5.  Check update process**
360 -
361 -
362 -[[image:image-20220602104948-14.png]]
363 -
364 -
365 -
366 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
367 -(% style="color:blue" %)**The following picture shows that the burning is successful**
368 -
369 -
370 -[[image:image-20220602105251-15.png]]
371 -
372 -
373 -
374 -= 2.  FAQ =
375 -
376 -
377 -== 2.1  How to Compile Source Code for LA66? ==
378 -
379 -
380 -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]]
381 -
382 -
383 -== 2.2 Where to find Peer-to-Peer firmware of LA66? ==
384 -
385 -
386 -* [[Instruction for LA66 Peer to Peer firmware>>Instruction for LA66 Peer to Peer firmware]].
387 -
388 -= 3.  Order Info =
389 -
390 -
391 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
392 -
393 -
394 -(% style="color:blue" %)**XXX**(%%): The default frequency band
395 -
396 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
397 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
398 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
399 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
400 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
401 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
402 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
403 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
404 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
405 -
406 -
407 -= 4.  Reference =
408 -
409 -
410 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
411 -
412 412  
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