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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 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  
30 +Frequency Range: 150 MHz ~~ 960 MHz
69 69  
70 -== 1.3  Specification ==
32 +Maximum Power +22 dBm constant RF output
71 71  
34 +High sensitivity: -148 dBm
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
36 +Temperature:
90 90  
38 +* Storage: -55 ~~ +125℃
39 +* Operating: -40 ~~ +85℃
91 91  
41 +Humidity:
92 92  
93 -== 1.4  Pin Mapping & LED ==
43 +* Storage: 5 ~~ 95% (Non-Condensing)
44 +* Operating: 10 ~~ 95% (Non-Condensing)
94 94  
46 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
95 95  
96 -[[image:image-20220817085048-1.png||height="533" width="734"]]
48 +LoRa Rx current: <9 mA
97 97  
50 +I/O Voltage: 3.3v
98 98  
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
53 +== AT Command ==
103 103  
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 -[[image:image-20220820112305-1.png||height="515" width="749"]]
106 106  
58 +== Pin Mapping ==
107 107  
60 +[[image:image-20220523101537-1.png]]
108 108  
109 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
62 +== Land Pattern ==
110 110  
64 +[[image:image-20220517072821-2.png]]
111 111  
112 -**Show connection diagram：**
113 113  
67 +== Part Number ==
114 114  
115 -[[image:image-20220723170210-2.png||height="908" width="681"]]
69 +Part Number: **LA66-XXX**
116 116  
71 +**XX**: The default frequency band
117 117  
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  
119 -(% style="color:blue" %)**1.  open Arduino IDE**
82 += LA66 LoRaWAN Shield =
120 120  
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  
122 -[[image:image-20220723170545-4.png]]
86 +== Pin Mapping & LED ==
123 123  
88 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
124 124  
90 +== Example: Join TTN network and send an uplink message, get downlink message. ==
125 125  
126 -(% style="color:blue" %)**2.  Open project**
92 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
127 127  
94 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
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]]
96 +=== what needs to be used ===
130 130  
98 +1.LA66 LoRaWAN Shield that needs to be upgraded
131 131  
132 -[[image:image-20220726135239-1.png]]
100 +2.Arduino
133 133  
102 +3.USB TO TTL
134 134  
104 +[[image:image-20220602100052-2.png]]
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**
106 +=== Wiring Schematic ===
137 137  
108 +[[image:image-20220602101311-3.png]]
138 138  
139 -[[image:image-20220726135356-2.png]]
110 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
140 140  
112 +GND  >>>>>>>>>>>>GND
141 141  
114 +TXD  >>>>>>>>>>>>TXD
142 142  
143 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
116 +RXD  >>>>>>>>>>>>RXD
144 144  
118 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
145 145  
146 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
120 +Connect to the PC after connecting the wires
147 147  
122 +[[image:image-20220602102240-4.png]]
148 148  
124 +=== Upgrade steps ===
149 149  
150 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
126 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
151 151  
128 +[[image:image-20220602102824-5.png]]
152 152  
153 -(% style="color:blue" %)**1.  Open project**
130 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
154 154  
132 +[[image:image-20220602104701-12.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]]
134 +==== Open the upgrade application software ====
157 157  
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/]]
158 158  
159 -[[image:image-20220723172502-8.png]]
138 +[[image:image-20220602103227-6.png]]
160 160  
140 +[[image:image-20220602103357-7.png]]
161 161  
142 +===== Select the COM port corresponding to USB TTL =====
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**
144 +[[image:image-20220602103844-8.png]]
164 164  
146 +===== Select the bin file to burn =====
165 165  
166 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
148 +[[image:image-20220602104144-9.png]]
167 167  
150 +[[image:image-20220602104251-10.png]]
168 168  
152 +[[image:image-20220602104402-11.png]]
169 169  
170 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
154 +===== Click to start the download =====
171 171  
156 +[[image:image-20220602104923-13.png]]
172 172  
173 -(% style="color:blue" %)**1.  Open project**
158 +===== The following figure appears to prove that the burning is in progress =====
174 174  
160 +[[image:image-20220602104948-14.png]]
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]]
162 +===== The following picture appears to prove that the burning is successful =====
177 177  
164 +[[image:image-20220602105251-15.png]]
178 178  
179 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
166 += LA66 USB LoRaWAN Adapter =
180 180  
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.
181 181  
170 +Before use, please make sure that the computer has installed the CP2102 driver
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**
172 +== Pin Mapping & LED ==
184 184  
174 +== Example Send & Get Messages via LoRaWAN in PC ==
185 185  
186 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
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  
182 +[[image:image-20220602161617-8.png]]
190 190  
184 +[[image:image-20220602161718-9.png||height="529" width="927"]]
191 191  
192 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
186 +Press the reset switch RST on the LA66 LoRa Shield.
193 193  
188 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
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/]]
190 +[[image:image-20220602161935-10.png]]
196 196  
192 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
197 197  
198 -[[image:image-20220723175700-12.png||height="602" width="995"]]
194 +example: AT+SENDB=01,02,8,05820802581ea0a5
199 199  
196 +[[image:image-20220602162157-11.png]]
200 200  
198 +Check to see if TTN received the message
201 201  
202 -== 1.8  Example: How to join helium ==
200 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
203 203  
202 +== Example Send & Get Messages via LoRaWAN in RPi ==
204 204  
205 -(% style="color:blue" %)**1.  Create a new device.**
204 +Connect the LA66 LoRa Shield to the RPI
206 206  
206 +[[image:image-20220602171233-2.png||height="592" width="881"]]
207 207  
208 -[[image:image-20220907165500-1.png||height="464" width="940"]]
208 +Log in to the RPI's terminal and connect to the serial port
209 209  
210 +[[image:image-20220602153146-3.png]]
210 210  
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
211 211  
212 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
215 +[[image:image-20220602154928-5.png]]
213 213  
217 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
214 214  
215 -[[image:image-20220907165837-2.png||height="375" width="809"]]
219 +example: AT+SENDB=01,02,8,05820802581ea0a5
216 216  
221 +[[image:image-20220602160339-6.png]]
217 217  
223 +Check to see if TTN received the message
218 218  
219 -(% style="color:blue" %)**3.  Use AT commands.**
225 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
220 220  
227 +=== Install Minicom ===
221 221  
222 -[[image:image-20220602100052-2.png||height="385" width="600"]]
229 +Enter the following command in the RPI terminal
223 223  
231 +apt update
224 224  
233 +[[image:image-20220602143155-1.png]]
225 225  
226 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
235 +apt install minicom
227 227  
237 +[[image:image-20220602143744-2.png]]
228 228  
229 -[[image:image-20220907170308-3.png||height="556" width="617"]]
239 +=== Send PC's CPU/RAM usage to TTN via script. ===
230 230  
241 +==== Take python as an example： ====
231 231  
243 +===== Preconditions: =====
232 232  
233 -(% style="color:blue" %)**5.  Network successfully.**
245 +1.LA66 USB LoRaWAN Adapter works fine
234 234  
247 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
235 235  
236 -[[image:image-20220907170436-4.png]]
249 +===== Steps for usage =====
237 237  
251 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
238 238  
253 +2.Run the script and see the TTN
239 239  
240 -(% style="color:blue" %)**6.  Send uplink using command**
255 +[[image:image-20220602115852-3.png]]
241 241  
242 242  
243 -[[image:image-20220912084334-1.png]]
244 244  
259 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
245 245  
246 -[[image:image-20220912084412-3.png]]
247 247  
262 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
248 248  
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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