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Last modified by Xiaoling on 2023/05/26 14:19
From version 164.1
edited by Edwin Chen
on 2022/09/24 13:40
Change comment: There is no comment for this version
To version 64.1
edited by Edwin Chen
on 2022/07/02 21:03
Change comment: There is no comment for this version

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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 +**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 +**LA66 **is a ready-to-use module that includes the 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 for developers to make a LoRaWAN End device. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
11 11  
12 12  
13 -== 1.1  Overview ==
14 +LA66 is equipped with **TCXO crystal** which ensures the module can achieve the stable performance in extreme temperatures.
14 14  
15 15  
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
17 +**Each LA66 **module includes a world-unique OTAA key for LoRaWAN registration.
19 19  
20 -(((
21 -
22 -)))
23 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 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 -)))
21 +== Specification ==
33 33  
34 -(((
35 -(((
36 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
23 +[[image:image-20220517072526-1.png]]
39 39  
40 -(((
41 -(((
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 -)))
25 +Input Power Range: 1.8v ~~ 3.7v
45 45  
46 -(((
47 -(((
48 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
27 +Power Consumption: < 4uA.
51 51  
29 +Frequency Range: 150 MHz ~~ 960 MHz
52 52  
31 +Maximum Power +22 dBm constant RF output
53 53  
54 -== 1.2  Features ==
33 +High sensitivity: -148 dBm
55 55  
35 +Temperature:
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
37 +* Storage: -55 ~~ +125℃
38 +* Operating: -40 ~~ +85℃
67 67  
40 +Humidity:
68 68  
42 +* Storage: 5 ~~ 95% (Non-Condensing)
43 +* Operating: 10 ~~ 95% (Non-Condensing)
69 69  
70 -== 1.3  Specification ==
45 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
71 71  
47 +LoRa Rx current: <9 mA
72 72  
73 -* CPU: 32-bit 48 MHz
74 -* Flash: 256KB
75 -* RAM: 64KB
76 -* Input Power Range: 1.8v ~~ 3.7v
77 -* Power Consumption: < 4uA.
78 -* Frequency Range: 150 MHz ~~ 960 MHz
79 -* Maximum Power +22 dBm constant RF output
80 -* High sensitivity: -148 dBm
81 -* Temperature:
82 -** Storage: -55 ~~ +125℃
83 -** Operating: -40 ~~ +85℃
84 -* Humidity:
85 -** Storage: 5 ~~ 95% (Non-Condensing)
86 -** Operating: 10 ~~ 95% (Non-Condensing)
87 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
88 -* LoRa Rx current: <9 mA
89 -* I/O Voltage: 3.3v
49 +I/O Voltage: 3.3v
90 90  
91 91  
52 +== AT Command ==
92 92  
93 -== 1.4  Pin Mapping & LED ==
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 95  
96 -[[image:image-20220817085048-1.png||height="533" width="734"]]
57 +== Pin Mapping ==
97 97  
59 +[[image:image-20220523101537-1.png]]
98 98  
61 +== Land Pattern ==
99 99  
100 -~1. The LED lights up red when there is an upstream data packet
101 -2. When the network is successfully connected, the green light will be on for 5 seconds
102 -3. Purple light on when receiving downlink data packets
63 +[[image:image-20220517072821-2.png]]
103 103  
104 104  
105 -[[image:image-20220820112305-1.png||height="515" width="749"]]
66 +== Part Number ==
106 106  
68 +Part Number: **LA66-XXX**
107 107  
70 +**XX**: The default frequency band
108 108  
109 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
72 +* **AS923**: LoRaWAN AS923 band
73 +* **AU915**: LoRaWAN AU915 band
74 +* **EU433**: LoRaWAN EU433 band
75 +* **EU868**: LoRaWAN EU868 band
76 +* **KR920**: LoRaWAN KR920 band
77 +* **US915**: LoRaWAN US915 band
78 +* **IN865**: LoRaWAN IN865 band
79 +* **CN470**: LoRaWAN CN470 band
110 110  
81 += LA66 LoRaWAN Shield =
111 111  
112 -**Show connection diagram：**
83 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
113 113  
85 +== Pin Mapping & LED ==
114 114  
115 -[[image:image-20220723170210-2.png||height="908" width="681"]]
87 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
116 116  
89 +== Example: Join TTN network and send an uplink message, get downlink message. ==
117 117  
91 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
118 118  
119 -(% style="color:blue" %)**1.  open Arduino IDE**
93 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
120 120  
95 +=== what needs to be used ===
121 121  
122 -[[image:image-20220723170545-4.png]]
97 +1.LA66 LoRaWAN Shield that needs to be upgraded
123 123  
99 +2.Arduino
124 124  
101 +3.USB TO TTL
125 125  
126 -(% style="color:blue" %)**2.  Open project**
103 +[[image:image-20220602100052-2.png]]
127 127  
105 +=== Wiring Schematic ===
128 128  
129 -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 +[[image:image-20220602101311-3.png]]
130 130  
109 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
131 131  
132 -[[image:image-20220726135239-1.png]]
111 +GND  >>>>>>>>>>>>GND
133 133  
113 +TXD  >>>>>>>>>>>>TXD
134 134  
115 +RXD  >>>>>>>>>>>>RXD
135 135  
136 -(% 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 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
137 137  
119 +Connect to the PC after connecting the wires
138 138  
139 -[[image:image-20220726135356-2.png]]
121 +[[image:image-20220602102240-4.png]]
140 140  
123 +=== Upgrade steps ===
141 141  
125 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
142 142  
143 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
127 +[[image:image-20220602102824-5.png]]
144 144  
129 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
145 145  
146 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
131 +[[image:image-20220602104701-12.png]]
147 147  
133 +==== Open the upgrade application software ====
148 148  
135 +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/]]
149 149  
150 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
137 +[[image:image-20220602103227-6.png]]
151 151  
139 +[[image:image-20220602103357-7.png]]
152 152  
153 -(% style="color:blue" %)**1.  Open project**
141 +===== Select the COM port corresponding to USB TTL =====
154 154  
143 +[[image:image-20220602103844-8.png]]
155 155  
156 -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 +===== Select the bin file to burn =====
157 157  
147 +[[image:image-20220602104144-9.png]]
158 158  
159 -[[image:image-20220723172502-8.png]]
149 +[[image:image-20220602104251-10.png]]
160 160  
151 +[[image:image-20220602104402-11.png]]
161 161  
153 +===== Click to start the download =====
162 162  
163 -(% 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**
155 +[[image:image-20220602104923-13.png]]
164 164  
157 +===== The following figure appears to prove that the burning is in progress =====
165 165  
166 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
159 +[[image:image-20220602104948-14.png]]
167 167  
161 +===== The following picture appears to prove that the burning is successful =====
168 168  
163 +[[image:image-20220602105251-15.png]]
169 169  
170 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
165 += LA66 USB LoRaWAN Adapter =
171 171  
167 +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.
172 172  
173 -(% style="color:blue" %)**1.  Open project**
169 +Before use, please make sure that the computer has installed the CP2102 driver
174 174  
171 +== Pin Mapping & LED ==
175 175  
176 -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 +== Example Send & Get Messages via LoRaWAN in PC ==
177 177  
175 +Connect the LA66 LoRa Shield to the PC
178 178  
179 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
177 +[[image:image-20220602171217-1.png||height="615" width="915"]]
180 180  
179 +Open the serial port tool
181 181  
181 +[[image:image-20220602161617-8.png]]
182 182  
183 -(% 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 +[[image:image-20220602161718-9.png||height="529" width="927"]]
184 184  
185 +Press the reset switch RST on the LA66 LoRa Shield.
185 185  
186 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
187 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
187 187  
189 +[[image:image-20220602161935-10.png]]
188 188  
191 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
189 189  
193 +example: AT+SENDB=01,02,8,05820802581ea0a5
190 190  
195 +[[image:image-20220602162157-11.png]]
191 191  
192 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
197 +Check to see if TTN received the message
193 193  
199 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
194 194  
195 -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 +== Example Send & Get Messages via LoRaWAN in RPi ==
196 196  
203 +Connect the LA66 LoRa Shield to the RPI
197 197  
198 -[[image:image-20220723175700-12.png||height="602" width="995"]]
205 +[[image:image-20220602171233-2.png||height="592" width="881"]]
199 199  
207 +Log in to the RPI's terminal and connect to the serial port
200 200  
209 +[[image:image-20220602153146-3.png]]
201 201  
202 -== 1.8  Example: How to join helium ==
211 +Press the reset switch RST on the LA66 LoRa Shield.
212 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
203 203  
214 +[[image:image-20220602154928-5.png]]
204 204  
205 -(% style="color:blue" %)**1.  Create a new device.**
216 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
206 206  
218 +example: AT+SENDB=01,02,8,05820802581ea0a5
207 207  
208 -[[image:image-20220907165500-1.png||height="464" width="940"]]
220 +[[image:image-20220602160339-6.png]]
209 209  
222 +Check to see if TTN received the message
210 210  
224 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
211 211  
212 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
226 +=== Install Minicom ===
213 213  
228 +Enter the following command in the RPI terminal
214 214  
215 -[[image:image-20220907165837-2.png||height="375" width="809"]]
230 +apt update
216 216  
232 +[[image:image-20220602143155-1.png]]
217 217  
234 +apt install minicom
218 218  
219 -(% style="color:blue" %)**3.  Use AT commands.**
236 +[[image:image-20220602143744-2.png]]
220 220  
238 +=== Send PC's CPU/RAM usage to TTN via script. ===
221 221  
222 -[[image:image-20220602100052-2.png||height="385" width="600"]]
240 +==== Take python as an example： ====
223 223  
242 +===== Preconditions: =====
224 224  
244 +1.LA66 USB LoRaWAN Adapter works fine
225 225  
226 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
246 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
227 227  
248 +===== Steps for usage =====
228 228  
229 -[[image:image-20220907170308-3.png||height="556" width="617"]]
250 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
230 230  
252 +2.Run the script and see the TTN
231 231  
254 +[[image:image-20220602115852-3.png]]
232 232  
233 -(% style="color:blue" %)**5.  Network successfully.**
234 234  
235 235  
236 -[[image:image-20220907170436-4.png]]
258 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
237 237  
238 238  
261 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
239 239  
240 -(% style="color:blue" %)**6.  Send uplink using command**
241 -
242 -
243 -[[image:image-20220912084334-1.png]]
244 -
245 -
246 -[[image:image-20220912084412-3.png]]
247 -
248 -
249 -
250 -[[image:image-20220907170744-6.png||height="242" width="798"]]
251 -
252 -
253 -
254 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
255 -
256 -
257 -=== 1.9.1  Items needed for update ===
258 -
259 -
260 -1. LA66 LoRaWAN Shield
261 -1. Arduino
262 -1. USB TO TTL Adapter
263 -
264 -[[image:image-20220602100052-2.png||height="385" width="600"]]
265 -
266 -
267 -
268 -=== 1.9.2  Connection ===
269 -
270 -
271 -[[image:image-20220602101311-3.png||height="276" width="600"]]
272 -
273 -
274 -(((
275 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
276 -)))
277 -
278 -(((
279 -(% style="background-color:yellow" %)**GND  <-> GND
280 -TXD  <->  TXD
281 -RXD  <->  RXD**
282 -)))
283 -
284 -
285 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
286 -
287 -Connect USB TTL Adapter to PC after connecting the wires
288 -
289 -
290 -[[image:image-20220602102240-4.png||height="304" width="600"]]
291 -
292 -
293 -
294 -=== 1.9.3  Upgrade steps ===
295 -
296 -
297 -
298 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
299 -
300 -
301 -[[image:image-20220602102824-5.png||height="306" width="600"]]
302 -
303 -
304 -
305 -
306 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
307 -
308 -
309 -[[image:image-20220817085447-1.png]]
310 -
311 -
312 -
313 -
314 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
315 -
316 -
317 -
318 -(((
319 -(% 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]]**
320 -)))
321 -
322 -
323 -[[image:image-20220602103227-6.png]]
324 -
325 -
326 -[[image:image-20220602103357-7.png]]
327 -
328 -
329 -
330 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
331 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
332 -
333 -
334 -[[image:image-20220602103844-8.png]]
335 -
336 -
337 -
338 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
339 -(% style="color:blue" %)**3.  Select the bin file to burn**
340 -
341 -
342 -[[image:image-20220602104144-9.png]]
343 -
344 -
345 -[[image:image-20220602104251-10.png]]
346 -
347 -
348 -[[image:image-20220602104402-11.png]]
349 -
350 -
351 -
352 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
353 -(% style="color:blue" %)**4.  Click to start the download**
354 -
355 -
356 -[[image:image-20220602104923-13.png]]
357 -
358 -
359 -
360 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
361 -(% style="color:blue" %)**5.  Check update process**
362 -
363 -
364 -[[image:image-20220602104948-14.png]]
365 -
366 -
367 -
368 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
369 -(% style="color:blue" %)**The following picture shows that the burning is successful**
370 -
371 -
372 -[[image:image-20220602105251-15.png]]
373 -
374 -
375 -
376 -= 2.  FAQ =
377 -
378 -
379 -== 2.1  How to Compile Source Code for LA66? ==
380 -
381 -
382 -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]]
383 -
384 -
385 -== 2.2 Where to find Peer-to-Peer firmware of LA66? ==
386 -
387 -
388 -* [[Download>>https://www.dropbox.com/s/270gvm9ngaj0v02/LA66_P2P_v1.0.bin?dl=0]] Peer to Peer firmware.
389 -* [[Instruction for LA66 Peer to Peer firmware>>Instruction for LA66 Peer to Peer firmware]].
390 -
391 -
392 -= 3.  Order Info =
393 -
394 -
395 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
396 -
397 -
398 -(% style="color:blue" %)**XXX**(%%): The default frequency band
399 -
400 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
401 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
402 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
403 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
404 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
405 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
406 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
407 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
408 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
409 -
410 -
411 -
412 -= 4.  Reference =
413 -
414 -
415 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
416 -
417 417  
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