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Last modified by Xiaoling on 2023/05/26 14:19
From version 159.1
edited by Bei Jinggeng
on 2022/09/07 17:13
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
Author
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1 -XWiki.Bei
1 +XWiki.Edwin
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  
68 -== 1.3  Specification ==
28 +Power Consumption: < 4uA.
69 69  
30 +Frequency Range: 150 MHz ~~ 960 MHz
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
32 +Maximum Power +22 dBm constant RF output
88 88  
89 -== 1.4  Pin Mapping & LED ==
34 +High sensitivity: -148 dBm
90 90  
36 +Temperature:
91 91  
92 -[[image:image-20220817085048-1.png||height="533" width="734"]]
38 +* Storage: -55 ~~ +125℃
39 +* Operating: -40 ~~ +85℃
93 93  
41 +Humidity:
94 94  
43 +* Storage: 5 ~~ 95% (Non-Condensing)
44 +* Operating: 10 ~~ 95% (Non-Condensing)
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
46 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
99 99  
48 +LoRa Rx current: <9 mA
100 100  
101 -[[image:image-20220820112305-1.png||height="515" width="749"]]
50 +I/O Voltage: 3.3v
102 102  
103 103  
53 +== AT Command ==
104 104  
105 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
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.
106 106  
107 107  
108 -**Show connection diagram：**
58 +== Pin Mapping ==
109 109  
60 +[[image:image-20220523101537-1.png]]
110 110  
111 -[[image:image-20220723170210-2.png||height="908" width="681"]]
62 +== Land Pattern ==
112 112  
64 +[[image:image-20220517072821-2.png]]
113 113  
114 114  
115 -(% style="color:blue" %)**1.  open Arduino IDE**
67 +== Part Number ==
116 116  
69 +Part Number: **LA66-XXX**
117 117  
118 -[[image:image-20220723170545-4.png]]
71 +**XX**: The default frequency band
119 119  
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
120 120  
82 += LA66 LoRaWAN Shield =
121 121  
122 -(% style="color:blue" %)**2.  Open project**
84 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
123 123  
86 +== Pin Mapping & LED ==
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]]
88 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
126 126  
90 +== Example: Join TTN network and send an uplink message, get downlink message. ==
127 127  
128 -[[image:image-20220726135239-1.png]]
92 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
129 129  
94 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
130 130  
96 +=== what needs to be used ===
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**
98 +1.LA66 LoRaWAN Shield that needs to be upgraded
133 133  
100 +2.Arduino
134 134  
135 -[[image:image-20220726135356-2.png]]
102 +3.USB TO TTL
136 136  
104 +[[image:image-20220602100052-2.png]]
137 137  
106 +=== Wiring Schematic ===
138 138  
139 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
108 +[[image:image-20220602101311-3.png]]
140 140  
110 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
141 141  
142 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
112 +GND  >>>>>>>>>>>>GND
143 143  
114 +TXD  >>>>>>>>>>>>TXD
144 144  
116 +RXD  >>>>>>>>>>>>RXD
145 145  
146 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
118 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
147 147  
120 +Connect to the PC after connecting the wires
148 148  
149 -(% style="color:blue" %)**1.  Open project**
122 +[[image:image-20220602102240-4.png]]
150 150  
124 +=== Upgrade steps ===
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]]
126 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
153 153  
128 +[[image:image-20220602102824-5.png]]
154 154  
155 -[[image:image-20220723172502-8.png]]
130 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
156 156  
132 +[[image:image-20220602104701-12.png]]
157 157  
134 +==== Open the upgrade application software ====
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**
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/]]
160 160  
138 +[[image:image-20220602103227-6.png]]
161 161  
162 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
140 +[[image:image-20220602103357-7.png]]
163 163  
142 +===== Select the COM port corresponding to USB TTL =====
164 164  
144 +[[image:image-20220602103844-8.png]]
165 165  
166 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
146 +===== Select the bin file to burn =====
167 167  
148 +[[image:image-20220602104144-9.png]]
168 168  
169 -(% style="color:blue" %)**1.  Open project**
150 +[[image:image-20220602104251-10.png]]
170 170  
152 +[[image:image-20220602104402-11.png]]
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]]
154 +===== Click to start the download =====
173 173  
156 +[[image:image-20220602104923-13.png]]
174 174  
175 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
158 +===== The following figure appears to prove that the burning is in progress =====
176 176  
160 +[[image:image-20220602104948-14.png]]
177 177  
162 +===== The following picture appears to prove that the burning is successful =====
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**
164 +[[image:image-20220602105251-15.png]]
180 180  
166 += LA66 USB LoRaWAN Adapter =
181 181  
182 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
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.
183 183  
170 +Before use, please make sure that the computer has installed the CP2102 driver
184 184  
185 -LA66~-~-node-red~-~-decoder:[[dragino-end-node-decoder/Node-RED at main · dragino/dragino-end-node-decoder · GitHub>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED]]
172 +== Pin Mapping & LED ==
186 186  
174 +== Example Send & Get Messages via LoRaWAN in PC ==
187 187  
176 +Connect the LA66 LoRa Shield to the PC
188 188  
189 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
178 +[[image:image-20220602171217-1.png||height="615" width="915"]]
190 190  
180 +Open the serial port tool
191 191  
192 -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/]]
182 +[[image:image-20220602161617-8.png]]
193 193  
184 +[[image:image-20220602161718-9.png||height="529" width="927"]]
194 194  
195 -[[image:image-20220723175700-12.png||height="602" width="995"]]
186 +Press the reset switch RST on the LA66 LoRa Shield.
196 196  
197 -== 1.8 Example: How to join helium ==
188 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
198 198  
190 +[[image:image-20220602161935-10.png]]
199 199  
200 -(% style="color:blue" %)**1. Create a new device.**
192 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
201 201  
202 -[[image:image-20220907165500-1.png||height="464" width="940"]]
194 +example: AT+SENDB=01,02,8,05820802581ea0a5
203 203  
196 +[[image:image-20220602162157-11.png]]
204 204  
205 -(% style="color:blue" %)**2. Save the device after filling in the necessary information.**
198 +Check to see if TTN received the message
206 206  
207 -[[image:image-20220907165837-2.png||height="375" width="809"]]
200 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
208 208  
202 +== Example Send & Get Messages via LoRaWAN in RPi ==
209 209  
210 -(% style="color:blue" %)**3.  Use AT commands.**
204 +Connect the LA66 LoRa Shield to the RPI
211 211  
212 -[[image:image-20220602100052-2.png||height="385" width="600"]]
206 +[[image:image-20220602171233-2.png||height="592" width="881"]]
213 213  
208 +Log in to the RPI's terminal and connect to the serial port
214 214  
215 -(% style="color:#0000ff" %)**4.Use command AT+CFG to get device configuration**
210 +[[image:image-20220602153146-3.png]]
216 216  
217 -[[image:image-20220907170308-3.png||height="556" width="617"]]
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
218 218  
215 +[[image:image-20220602154928-5.png]]
219 219  
220 -(% style="color:blue" %)**5.  Network successfully.**
217 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
221 221  
222 -[[image:image-20220907170436-4.png]]
219 +example: AT+SENDB=01,02,8,05820802581ea0a5
223 223  
221 +[[image:image-20220602160339-6.png]]
224 224  
225 -(% style="color:blue" %)**6.  Send uplink using command**
223 +Check to see if TTN received the message
226 226  
227 -[[image:image-20220907170659-5.png]]
225 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
228 228  
229 -[[image:image-20220907170744-6.png||height="242" width="798"]]
227 +=== Install Minicom ===
230 230  
229 +Enter the following command in the RPI terminal
231 231  
232 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
231 +apt update
233 233  
233 +[[image:image-20220602143155-1.png]]
234 234  
235 -=== 1.9.1  Items needed for update ===
235 +apt install minicom
236 236  
237 +[[image:image-20220602143744-2.png]]
237 237  
238 -1. LA66 LoRaWAN Shield
239 -1. Arduino
240 -1. USB TO TTL Adapter
239 +=== Send PC's CPU/RAM usage to TTN via script. ===
241 241  
242 -[[image:image-20220602100052-2.png||height="385" width="600"]]
241 +==== Take python as an example： ====
243 243  
243 +===== Preconditions: =====
244 244  
245 +1.LA66 USB LoRaWAN Adapter works fine
245 245  
246 -=== 1.9.2  Connection ===
247 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
247 247  
249 +===== Steps for usage =====
248 248  
249 -[[image:image-20220602101311-3.png||height="276" width="600"]]
251 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
250 250  
253 +2.Run the script and see the TTN
251 251  
252 -(((
253 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
254 -)))
255 +[[image:image-20220602115852-3.png]]
255 255  
256 -(((
257 -(% style="background-color:yellow" %)**GND  <-> GND
258 -TXD  <->  TXD
259 -RXD  <->  RXD**
260 -)))
261 261  
262 262  
263 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
259 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
264 264  
265 -Connect USB TTL Adapter to PC after connecting the wires
266 266  
262 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
267 267  
268 -[[image:image-20220602102240-4.png||height="304" width="600"]]
269 -
270 -
271 -
272 -=== 1.9.3  Upgrade steps ===
273 -
274 -
275 -
276 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
277 -
278 -
279 -[[image:image-20220602102824-5.png||height="306" width="600"]]
280 -
281 -
282 -
283 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
284 -
285 -
286 -[[image:image-20220817085447-1.png]]
287 -
288 -
289 -
290 -
291 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
292 -
293 -
294 -(((
295 -(% 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]]**
296 -)))
297 -
298 -
299 -[[image:image-20220602103227-6.png]]
300 -
301 -
302 -[[image:image-20220602103357-7.png]]
303 -
304 -
305 -
306 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
307 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
308 -
309 -
310 -[[image:image-20220602103844-8.png]]
311 -
312 -
313 -
314 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
315 -(% style="color:blue" %)**3. Select the bin file to burn**
316 -
317 -
318 -[[image:image-20220602104144-9.png]]
319 -
320 -
321 -[[image:image-20220602104251-10.png]]
322 -
323 -
324 -[[image:image-20220602104402-11.png]]
325 -
326 -
327 -
328 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
329 -(% style="color:blue" %)**4. Click to start the download**
330 -
331 -
332 -[[image:image-20220602104923-13.png]]
333 -
334 -
335 -
336 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
337 -(% style="color:blue" %)**5. Check update process**
338 -
339 -
340 -[[image:image-20220602104948-14.png]]
341 -
342 -
343 -
344 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
345 -(% style="color:blue" %)**The following picture shows that the burning is successful**
346 -
347 -
348 -[[image:image-20220602105251-15.png]]
349 -
350 -
351 -
352 -= 2.  FAQ =
353 -
354 -
355 -== 2.1  How to Compile Source Code for LA66? ==
356 -
357 -
358 -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]]
359 -
360 -
361 -
362 -= 3.  Order Info =
363 -
364 -
365 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
366 -
367 -
368 -(% style="color:blue" %)**XXX**(%%): The default frequency band
369 -
370 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
371 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
372 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
373 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
374 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
375 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
376 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
377 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
378 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
379 -
380 -
381 -= 4.  Reference =
382 -
383 -
384 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
385 -
386 386  
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