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Last modified by Xiaoling on 2023/05/26 14:19
From version 162.1
edited by Xiaoling
on 2022/09/12 08:43
Change comment: Uploaded new attachment "image-20220912084352-2.png", version {1}
To version 62.1
edited by Herong Lu
on 2022/06/02 17:19
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.Lu
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 LoRa 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 program, create and connect your things everywhere.
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 +**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
11 11  
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
12 12  
13 -== 1.1  Overview ==
14 14  
15 15  
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
17 +== Specification ==
19 19  
20 -(((
21 -
22 -)))
19 +[[image:image-20220517072526-1.png]]
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 -)))
21 +Input Power Range: 1.8v ~~ 3.7v
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 -)))
23 +Power Consumption: < 4uA.
33 33  
34 -(((
35 -(((
36 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
25 +Frequency Range: 150 MHz ~~ 960 MHz
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 -)))
27 +Maximum Power +22 dBm constant RF output
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 -)))
29 +High sensitivity: -148 dBm
51 51  
31 +Temperature:
52 52  
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
53 53  
54 -== 1.2  Features ==
36 +Humidity:
55 55  
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
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
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
67 67  
68 -== 1.3  Specification ==
43 +LoRa Rx current: <9 mA
69 69  
45 +I/O Voltage: 3.3v
70 70  
71 -* CPU: 32-bit 48 MHz
72 -* Flash: 256KB
73 -* RAM: 64KB
74 -* Input Power Range: 1.8v ~~ 3.7v
75 -* Power Consumption: < 4uA.
76 -* Frequency Range: 150 MHz ~~ 960 MHz
77 -* Maximum Power +22 dBm constant RF output
78 -* High sensitivity: -148 dBm
79 -* Temperature:
80 -** Storage: -55 ~~ +125℃
81 -** Operating: -40 ~~ +85℃
82 -* Humidity:
83 -** Storage: 5 ~~ 95% (Non-Condensing)
84 -** Operating: 10 ~~ 95% (Non-Condensing)
85 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
86 -* LoRa Rx current: <9 mA
87 -* I/O Voltage: 3.3v
88 88  
89 -== 1.4  Pin Mapping & LED ==
48 +== AT Command ==
90 90  
50 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
91 91  
92 -[[image:image-20220817085048-1.png||height="533" width="734"]]
93 93  
53 +== Pin Mapping ==
94 94  
55 +[[image:image-20220523101537-1.png]]
95 95  
96 -~1. The LED lights up red when there is an upstream data packet
97 -2. When the network is successfully connected, the green light will be on for 5 seconds
98 -3. Purple light on when receiving downlink data packets
57 +== Land Pattern ==
99 99  
59 +[[image:image-20220517072821-2.png]]
100 100  
101 -[[image:image-20220820112305-1.png||height="515" width="749"]]
102 102  
62 +== Part Number ==
103 103  
64 +Part Number: **LA66-XXX**
104 104  
105 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
66 +**XX**: The default frequency band
106 106  
68 +* **AS923**: LoRaWAN AS923 band
69 +* **AU915**: LoRaWAN AU915 band
70 +* **EU433**: LoRaWAN EU433 band
71 +* **EU868**: LoRaWAN EU868 band
72 +* **KR920**: LoRaWAN KR920 band
73 +* **US915**: LoRaWAN US915 band
74 +* **IN865**: LoRaWAN IN865 band
75 +* **CN470**: LoRaWAN CN470 band
107 107  
108 -**Show connection diagram：**
77 += LA66 LoRaWAN Shield =
109 109  
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
110 110  
111 -[[image:image-20220723170210-2.png||height="908" width="681"]]
81 +== Pin Mapping & LED ==
112 112  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
113 113  
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
114 114  
115 -(% style="color:blue" %)**1.  open Arduino IDE**
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
116 116  
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
117 117  
118 -[[image:image-20220723170545-4.png]]
91 +=== what needs to be used ===
119 119  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
120 120  
95 +2.Arduino
121 121  
122 -(% style="color:blue" %)**2.  Open project**
97 +3.USB TO TTL
123 123  
99 +[[image:image-20220602100052-2.png]]
124 124  
125 -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]]
101 +=== Wiring Schematic ===
126 126  
103 +[[image:image-20220602101311-3.png]]
127 127  
128 -[[image:image-20220726135239-1.png]]
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
129 129  
107 +GND  >>>>>>>>>>>>GND
130 130  
109 +TXD  >>>>>>>>>>>>TXD
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**
111 +RXD  >>>>>>>>>>>>RXD
133 133  
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
134 134  
135 -[[image:image-20220726135356-2.png]]
115 +Connect to the PC after connecting the wires
136 136  
117 +[[image:image-20220602102240-4.png]]
137 137  
119 +=== Upgrade steps ===
138 138  
139 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
140 140  
123 +[[image:image-20220602102824-5.png]]
141 141  
142 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
143 143  
127 +[[image:image-20220602104701-12.png]]
144 144  
129 +==== Open the upgrade application software ====
145 145  
146 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
131 +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/]]
147 147  
133 +[[image:image-20220602103227-6.png]]
148 148  
149 -(% style="color:blue" %)**1.  Open project**
135 +[[image:image-20220602103357-7.png]]
150 150  
137 +===== Select the COM port corresponding to USB TTL =====
151 151  
152 -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]]
139 +[[image:image-20220602103844-8.png]]
153 153  
141 +===== Select the bin file to burn =====
154 154  
155 -[[image:image-20220723172502-8.png]]
143 +[[image:image-20220602104144-9.png]]
156 156  
145 +[[image:image-20220602104251-10.png]]
157 157  
147 +[[image:image-20220602104402-11.png]]
158 158  
159 -(% 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**
149 +===== Click to start the download =====
160 160  
151 +[[image:image-20220602104923-13.png]]
161 161  
162 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
153 +===== The following figure appears to prove that the burning is in progress =====
163 163  
155 +[[image:image-20220602104948-14.png]]
164 164  
157 +===== The following picture appears to prove that the burning is successful =====
165 165  
166 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
159 +[[image:image-20220602105251-15.png]]
167 167  
161 += LA66 USB LoRaWAN Adapter =
168 168  
169 -(% style="color:blue" %)**1.  Open project**
163 +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.
170 170  
165 +Before use, please make sure that the computer has installed the CP2102 driver
171 171  
172 -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]]
167 +== Pin Mapping & LED ==
173 173  
169 +== Example Send & Get Messages via LoRaWAN in PC ==
174 174  
175 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
171 +Connect the LA66 LoRa Shield to the PC
176 176  
173 +[[image:image-20220602171217-1.png||height="615" width="915"]]
177 177  
175 +Open the serial port tool
178 178  
179 -(% 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**
177 +[[image:image-20220602161617-8.png]]
180 180  
179 +[[image:image-20220602161718-9.png||height="529" width="927"]]
181 181  
182 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
181 +Press the reset switch RST on the LA66 LoRa Shield.
183 183  
183 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
184 184  
185 +[[image:image-20220602161935-10.png]]
185 185  
187 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
186 186  
189 +example: AT+SENDB=01,02,8,05820802581ea0a5
187 187  
188 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
191 +[[image:image-20220602162157-11.png]]
189 189  
193 +Check to see if TTN received the message
190 190  
191 -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/]]
195 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
192 192  
197 +== Example Send & Get Messages via LoRaWAN in RPi ==
193 193  
194 -[[image:image-20220723175700-12.png||height="602" width="995"]]
199 +Connect the LA66 LoRa Shield to the RPI
195 195  
196 -== 1.8 Example: How to join helium ==
201 +[[image:image-20220602171233-2.png||height="592" width="881"]]
197 197  
203 +Log in to the RPI's terminal and connect to the serial port
198 198  
199 -(% style="color:blue" %)**1. Create a new device.**
205 +[[image:image-20220602153146-3.png]]
200 200  
201 -[[image:image-20220907165500-1.png||height="464" width="940"]]
207 +Press the reset switch RST on the LA66 LoRa Shield.
208 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
202 202  
210 +[[image:image-20220602154928-5.png]]
203 203  
204 -(% style="color:blue" %)**2. Save the device after filling in the necessary information.**
212 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
205 205  
206 -[[image:image-20220907165837-2.png||height="375" width="809"]]
214 +example: AT+SENDB=01,02,8,05820802581ea0a5
207 207  
216 +[[image:image-20220602160339-6.png]]
208 208  
209 -(% style="color:blue" %)**3.  Use AT commands.**
218 +Check to see if TTN received the message
210 210  
211 -[[image:image-20220602100052-2.png||height="385" width="600"]]
220 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
212 212  
222 +=== Install Minicom ===
213 213  
214 -(% style="color:#0000ff" %)**4.Use command AT+CFG to get device configuration**
224 +Enter the following command in the RPI terminal
215 215  
216 -[[image:image-20220907170308-3.png||height="556" width="617"]]
226 +apt update
217 217  
228 +[[image:image-20220602143155-1.png]]
218 218  
219 -(% style="color:blue" %)**5.  Network successfully.**
230 +apt install minicom
220 220  
221 -[[image:image-20220907170436-4.png]]
232 +[[image:image-20220602143744-2.png]]
222 222  
234 +=== Send PC's CPU/RAM usage to TTN via script. ===
223 223  
224 -(% style="color:blue" %)**6.  Send uplink using command**
236 +==== Take python as an example： ====
225 225  
226 -[[image:image-20220907170659-5.png]]
238 +===== Preconditions: =====
227 227  
228 -[[image:image-20220907170744-6.png||height="242" width="798"]]
240 +1.LA66 USB LoRaWAN Adapter works fine
229 229  
242 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
230 230  
231 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
244 +===== Steps for usage =====
232 232  
246 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
233 233  
234 -=== 1.9.1  Items needed for update ===
235 235  
249 +2.Run the script and see the TTN
236 236  
237 -1. LA66 LoRaWAN Shield
238 -1. Arduino
239 -1. USB TO TTL Adapter
251 +[[image:image-20220602115852-3.png]]
240 240  
241 -[[image:image-20220602100052-2.png||height="385" width="600"]]
242 242  
243 243  
255 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
244 244  
245 -=== 1.9.2  Connection ===
246 246  
247 -
248 -[[image:image-20220602101311-3.png||height="276" width="600"]]
249 -
250 -
251 -(((
252 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
253 -)))
254 -
255 -(((
256 -(% style="background-color:yellow" %)**GND  <-> GND
257 -TXD  <->  TXD
258 -RXD  <->  RXD**
259 -)))
260 -
261 -
262 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
263 -
264 -Connect USB TTL Adapter to PC after connecting the wires
265 -
266 -
267 -[[image:image-20220602102240-4.png||height="304" width="600"]]
268 -
269 -
270 -
271 -=== 1.9.3  Upgrade steps ===
272 -
273 -
274 -
275 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
276 -
277 -
278 -[[image:image-20220602102824-5.png||height="306" width="600"]]
279 -
280 -
281 -
282 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
283 -
284 -
285 -[[image:image-20220817085447-1.png]]
286 -
287 -
288 -
289 -
290 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
291 -
292 -
293 -(((
294 -(% 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]]**
295 -)))
296 -
297 -
298 -[[image:image-20220602103227-6.png]]
299 -
300 -
301 -[[image:image-20220602103357-7.png]]
302 -
303 -
304 -
305 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
306 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
307 -
308 -
309 -[[image:image-20220602103844-8.png]]
310 -
311 -
312 -
313 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
314 -(% style="color:blue" %)**3. Select the bin file to burn**
315 -
316 -
317 -[[image:image-20220602104144-9.png]]
318 -
319 -
320 -[[image:image-20220602104251-10.png]]
321 -
322 -
323 -[[image:image-20220602104402-11.png]]
324 -
325 -
326 -
327 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
328 -(% style="color:blue" %)**4. Click to start the download**
329 -
330 -
331 -[[image:image-20220602104923-13.png]]
332 -
333 -
334 -
335 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
336 -(% style="color:blue" %)**5. Check update process**
337 -
338 -
339 -[[image:image-20220602104948-14.png]]
340 -
341 -
342 -
343 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
344 -(% style="color:blue" %)**The following picture shows that the burning is successful**
345 -
346 -
347 -[[image:image-20220602105251-15.png]]
348 -
349 -
350 -
351 -= 2.  FAQ =
352 -
353 -
354 -== 2.1  How to Compile Source Code for LA66? ==
355 -
356 -
357 -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]]
358 -
359 -
360 -
361 -= 3.  Order Info =
362 -
363 -
364 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
365 -
366 -
367 -(% style="color:blue" %)**XXX**(%%): The default frequency band
368 -
369 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
370 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
371 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
372 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
373 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
374 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
375 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
376 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
377 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
378 -
379 -= 4.  Reference =
380 -
381 -
382 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
383 -
384 -
258 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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