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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 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  
69 -== 1.3  Specification ==
42 +* Storage: 5 ~~ 95% (Non-Condensing)
43 +* Operating: 10 ~~ 95% (Non-Condensing)
70 70  
45 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
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
47 +LoRa Rx current: <9 mA
89 89  
49 +I/O Voltage: 3.3v
90 90  
91 -== 1.4  Pin Mapping & LED ==
92 92  
52 +== AT Command ==
93 93  
94 -[[image:image-20220817085048-1.png||height="533" width="734"]]
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.
95 95  
96 96  
57 +== Pin Mapping ==
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
59 +[[image:image-20220523101537-1.png]]
101 101  
61 +== Land Pattern ==
102 102  
103 -[[image:image-20220820112305-1.png||height="515" width="749"]]
63 +[[image:image-20220517072821-2.png]]
104 104  
105 105  
66 +== Part Number ==
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
68 +Part Number: **LA66-XXX**
108 108  
70 +**XX**: The default frequency band
109 109  
110 -**Show connection diagram：**
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
111 111  
81 += LA66 LoRaWAN Shield =
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
83 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
114 114  
85 +== Pin Mapping & LED ==
115 115  
87 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
89 +== Example: Join TTN network and send an uplink message, get downlink message. ==
118 118  
91 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
119 119  
120 -[[image:image-20220723170545-4.png]]
93 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
121 121  
95 +=== what needs to be used ===
122 122  
97 +1.LA66 LoRaWAN Shield that needs to be upgraded
123 123  
124 -(% style="color:blue" %)**2.  Open project**
99 +2.Arduino
125 125  
101 +3.USB TO TTL
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]]
103 +[[image:image-20220602100052-2.png]]
128 128  
105 +=== Wiring Schematic ===
129 129  
130 -[[image:image-20220726135239-1.png]]
107 +[[image:image-20220602101311-3.png]]
131 131  
109 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
132 132  
111 +GND  >>>>>>>>>>>>GND
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**
113 +TXD  >>>>>>>>>>>>TXD
135 135  
115 +RXD  >>>>>>>>>>>>RXD
136 136  
137 -[[image:image-20220726135356-2.png]]
117 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
138 138  
119 +Connect to the PC after connecting the wires
139 139  
121 +[[image:image-20220602102240-4.png]]
140 140  
141 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
123 +=== Upgrade steps ===
142 142  
125 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
143 143  
144 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
127 +[[image:image-20220602102824-5.png]]
145 145  
129 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
146 146  
131 +[[image:image-20220602104701-12.png]]
147 147  
148 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
133 +==== Open the upgrade application software ====
149 149  
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/]]
150 150  
151 -(% style="color:blue" %)**1.  Open project**
137 +[[image:image-20220602103227-6.png]]
152 152  
139 +[[image:image-20220602103357-7.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]]
141 +===== Select the COM port corresponding to USB TTL =====
155 155  
143 +[[image:image-20220602103844-8.png]]
156 156  
157 -[[image:image-20220723172502-8.png]]
145 +===== Select the bin file to burn =====
158 158  
147 +[[image:image-20220602104144-9.png]]
159 159  
149 +[[image:image-20220602104251-10.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**
151 +[[image:image-20220602104402-11.png]]
162 162  
153 +===== Click to start the download =====
163 163  
164 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
155 +[[image:image-20220602104923-13.png]]
165 165  
157 +===== The following figure appears to prove that the burning is in progress =====
166 166  
159 +[[image:image-20220602104948-14.png]]
167 167  
168 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
161 +===== The following picture appears to prove that the burning is successful =====
169 169  
163 +[[image:image-20220602105251-15.png]]
170 170  
171 -(% style="color:blue" %)**1.  Open project**
165 += LA66 USB LoRaWAN Adapter =
172 172  
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.
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]]
169 +Before use, please make sure that the computer has installed the CP2102 driver
175 175  
171 +== Pin Mapping & LED ==
176 176  
177 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
173 +== Example Send & Get Messages via LoRaWAN in PC ==
178 178  
175 +Connect the LA66 LoRa Shield to the PC
179 179  
177 +[[image:image-20220602171217-1.png||height="615" width="915"]]
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**
179 +Open the serial port tool
182 182  
181 +[[image:image-20220602161617-8.png]]
183 183  
184 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
183 +[[image:image-20220602161718-9.png||height="529" width="927"]]
185 185  
185 +Press the reset switch RST on the LA66 LoRa Shield.
186 186  
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  
190 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
193 +example: AT+SENDB=01,02,8,05820802581ea0a5
191 191  
195 +[[image:image-20220602162157-11.png]]
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/]]
197 +Check to see if TTN received the message
194 194  
199 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
195 195  
196 -[[image:image-20220723175700-12.png||height="602" width="995"]]
201 +== Example Send & Get Messages via LoRaWAN in RPi ==
197 197  
203 +Connect the LA66 LoRa Shield to the RPI
198 198  
205 +[[image:image-20220602171233-2.png||height="592" width="881"]]
199 199  
200 -== 1.8  Example: How to join helium ==
207 +Log in to the RPI's terminal and connect to the serial port
201 201  
209 +[[image:image-20220602153146-3.png]]
202 202  
203 -(% style="color:blue" %)**1.  Create a new device.**
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
204 204  
214 +[[image:image-20220602154928-5.png]]
205 205  
206 -[[image:image-20220907165500-1.png||height="464" width="940"]]
216 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
207 207  
218 +example: AT+SENDB=01,02,8,05820802581ea0a5
208 208  
220 +[[image:image-20220602160339-6.png]]
209 209  
210 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
222 +Check to see if TTN received the message
211 211  
224 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
212 212  
213 -[[image:image-20220907165837-2.png||height="375" width="809"]]
226 +=== Install Minicom ===
214 214  
228 +Enter the following command in the RPI terminal
215 215  
230 +apt update
216 216  
217 -(% style="color:blue" %)**3.  Use AT commands.**
232 +[[image:image-20220602143155-1.png]]
218 218  
234 +apt install minicom
219 219  
220 -[[image:image-20220602100052-2.png||height="385" width="600"]]
236 +[[image:image-20220602143744-2.png]]
221 221  
238 +=== Send PC's CPU/RAM usage to TTN via script. ===
222 222  
240 +==== Take python as an example： ====
223 223  
224 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
242 +===== Preconditions: =====
225 225  
244 +1.LA66 USB LoRaWAN Adapter works fine
226 226  
227 -[[image:image-20220907170308-3.png||height="556" width="617"]]
246 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
228 228  
248 +===== Steps for usage =====
229 229  
250 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
230 230  
231 -(% style="color:blue" %)**5.  Network successfully.**
252 +2.Run the script and see the TTN
232 232  
254 +[[image:image-20220602115852-3.png]]
233 233  
234 -[[image:image-20220907170436-4.png]]
235 235  
236 236  
258 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
237 237  
238 -(% style="color:blue" %)**6.  Send uplink using command**
239 239  
261 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
240 240  
241 -[[image:image-20220912084334-1.png]]
242 -
243 -
244 -[[image:image-20220912084412-3.png]]
245 -
246 -
247 -
248 -[[image:image-20220907170744-6.png||height="242" width="798"]]
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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