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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 71.1
edited by Edwin Chen
on 2022/07/03 00:00
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  
52 52  
20 +== Features ==
53 53  
54 -== 1.2  Features ==
55 -
56 -
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
22 +* Support LoRaWAN v1.0.4 protocol
59 59  * Support peer-to-peer protocol
60 60  * TCXO crystal to ensure RF performance on low temperature
61 -* SMA connector
25 +* SMD Antenna pad and i-pex antenna connector
62 62  * Available in different frequency LoRaWAN frequency bands.
63 63  * World-wide unique OTAA keys.
64 64  * AT Command via UART-TTL interface
... ... @@ -66,10 +66,8 @@
66 66  * Ultra-long RF range
67 67  
68 68  
33 +== Specification ==
69 69  
70 -== 1.3  Specification ==
71 -
72 -
73 73  * CPU: 32-bit 48 MHz
74 74  * Flash: 256KB
75 75  * RAM: 64KB
... ... @@ -88,330 +88,261 @@
88 88  * LoRa Rx current: <9 mA
89 89  * I/O Voltage: 3.3v
90 90  
53 +== AT Command ==
91 91  
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.
92 92  
93 -== 1.4  Pin Mapping & LED ==
94 94  
58 +== Dimension ==
95 95  
96 -[[image:image-20220817085048-1.png||height="533" width="734"]]
60 +[[image:image-20220517072526-1.png]]
97 97  
98 98  
63 +== Pin Mapping ==
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
65 +[[image:image-20220523101537-1.png]]
103 103  
67 +== Land Pattern ==
104 104  
105 -[[image:image-20220820112305-1.png||height="515" width="749"]]
69 +[[image:image-20220517072821-2.png]]
106 106  
107 107  
72 +== Part Number ==
108 108  
109 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
74 +Part Number: **LA66-XXX**
110 110  
76 +**XX**: The default frequency band
111 111  
112 -**Show connection diagram：**
78 +* **AS923**: LoRaWAN AS923 band
79 +* **AU915**: LoRaWAN AU915 band
80 +* **EU433**: LoRaWAN EU433 band
81 +* **EU868**: LoRaWAN EU868 band
82 +* **KR920**: LoRaWAN KR920 band
83 +* **US915**: LoRaWAN US915 band
84 +* **IN865**: LoRaWAN IN865 band
85 +* **CN470**: LoRaWAN CN470 band
86 +* **PP**: Peer to Peer LoRa Protocol
113 113  
114 114  
115 -[[image:image-20220723170210-2.png||height="908" width="681"]]
116 116  
90 += LA66 LoRaWAN Shield =
117 117  
92 +== Overview ==
118 118  
119 -(% style="color:blue" %)**1.  open Arduino IDE**
94 +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.
120 120  
121 121  
122 -[[image:image-20220723170545-4.png]]
97 +== Features ==
123 123  
99 +* Arduino Shield base on LA66 LoRaWAN module
100 +* Support LoRaWAN v1.0.4 protocol
101 +* Support peer-to-peer protocol
102 +* TCXO crystal to ensure RF performance on low temperature
103 +* SMA connector
104 +* Available in different frequency LoRaWAN frequency bands.
105 +* World-wide unique OTAA keys.
106 +* AT Command via UART-TTL interface
107 +* Firmware upgradable via UART interface
108 +* Ultra-long RF range
124 124  
125 125  
126 -(% style="color:blue" %)**2.  Open project**
111 +== Specification ==
127 127  
113 +* CPU: 32-bit 48 MHz
114 +* Flash: 256KB
115 +* RAM: 64KB
116 +* Input Power Range: 1.8v ~~ 3.7v
117 +* Power Consumption: < 4uA.
118 +* Frequency Range: 150 MHz ~~ 960 MHz
119 +* Maximum Power +22 dBm constant RF output
120 +* High sensitivity: -148 dBm
121 +* Temperature:
122 +** Storage: -55 ~~ +125℃
123 +** Operating: -40 ~~ +85℃
124 +* Humidity:
125 +** Storage: 5 ~~ 95% (Non-Condensing)
126 +** Operating: 10 ~~ 95% (Non-Condensing)
127 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
128 +* LoRa Rx current: <9 mA
129 +* I/O Voltage: 3.3v
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]]
130 130  
132 +== Pin Mapping & LED ==
131 131  
132 -[[image:image-20220726135239-1.png]]
134 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
133 133  
136 +== Example: Join TTN network and send an uplink message, get downlink message. ==
134 134  
138 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
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**
140 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
137 137  
142 +=== what needs to be used ===
138 138  
139 -[[image:image-20220726135356-2.png]]
144 +1.LA66 LoRaWAN Shield that needs to be upgraded
140 140  
146 +2.Arduino
141 141  
148 +3.USB TO TTL
142 142  
143 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
150 +[[image:image-20220602100052-2.png]]
144 144  
152 +=== Wiring Schematic ===
145 145  
146 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
154 +[[image:image-20220602101311-3.png]]
147 147  
156 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
148 148  
158 +GND  >>>>>>>>>>>>GND
149 149  
150 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
160 +TXD  >>>>>>>>>>>>TXD
151 151  
162 +RXD  >>>>>>>>>>>>RXD
152 152  
153 -(% style="color:blue" %)**1.  Open project**
164 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
154 154  
166 +Connect to the PC after connecting the wires
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]]
168 +[[image:image-20220602102240-4.png]]
157 157  
170 +=== Upgrade steps ===
158 158  
159 -[[image:image-20220723172502-8.png]]
172 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
160 160  
174 +[[image:image-20220602102824-5.png]]
161 161  
176 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
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**
178 +[[image:image-20220602104701-12.png]]
164 164  
180 +==== Open the upgrade application software ====
165 165  
166 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
182 +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/]]
167 167  
184 +[[image:image-20220602103227-6.png]]
168 168  
186 +[[image:image-20220602103357-7.png]]
169 169  
170 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
188 +===== Select the COM port corresponding to USB TTL =====
171 171  
190 +[[image:image-20220602103844-8.png]]
172 172  
173 -(% style="color:blue" %)**1.  Open project**
192 +===== Select the bin file to burn =====
174 174  
194 +[[image:image-20220602104144-9.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]]
196 +[[image:image-20220602104251-10.png]]
177 177  
198 +[[image:image-20220602104402-11.png]]
178 178  
179 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
200 +===== Click to start the download =====
180 180  
202 +[[image:image-20220602104923-13.png]]
181 181  
204 +===== The following figure appears to prove that the burning is in progress =====
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**
206 +[[image:image-20220602104948-14.png]]
184 184  
208 +===== The following picture appears to prove that the burning is successful =====
185 185  
186 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
210 +[[image:image-20220602105251-15.png]]
187 187  
212 += LA66 USB LoRaWAN Adapter =
188 188  
214 +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.
189 189  
216 +Before use, please make sure that the computer has installed the CP2102 driver
190 190  
218 +== Pin Mapping & LED ==
191 191  
192 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
220 +== Example Send & Get Messages via LoRaWAN in PC ==
193 193  
222 +Connect the LA66 LoRa Shield to the PC
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/]]
224 +[[image:image-20220602171217-1.png||height="615" width="915"]]
196 196  
226 +Open the serial port tool
197 197  
198 -[[image:image-20220723175700-12.png||height="602" width="995"]]
228 +[[image:image-20220602161617-8.png]]
199 199  
230 +[[image:image-20220602161718-9.png||height="529" width="927"]]
200 200  
232 +Press the reset switch RST on the LA66 LoRa Shield.
201 201  
202 -== 1.8  Example: How to join helium ==
234 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
203 203  
236 +[[image:image-20220602161935-10.png]]
204 204  
205 -(% style="color:blue" %)**1.  Create a new device.**
238 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
206 206  
240 +example: AT+SENDB=01,02,8,05820802581ea0a5
207 207  
208 -[[image:image-20220907165500-1.png||height="464" width="940"]]
242 +[[image:image-20220602162157-11.png]]
209 209  
244 +Check to see if TTN received the message
210 210  
246 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
211 211  
212 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
248 +== Example Send & Get Messages via LoRaWAN in RPi ==
213 213  
250 +Connect the LA66 LoRa Shield to the RPI
214 214  
215 -[[image:image-20220907165837-2.png||height="375" width="809"]]
252 +[[image:image-20220602171233-2.png||height="592" width="881"]]
216 216  
254 +Log in to the RPI's terminal and connect to the serial port
217 217  
256 +[[image:image-20220602153146-3.png]]
218 218  
219 -(% style="color:blue" %)**3.  Use AT commands.**
258 +Press the reset switch RST on the LA66 LoRa Shield.
259 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
220 220  
261 +[[image:image-20220602154928-5.png]]
221 221  
222 -[[image:image-20220602100052-2.png||height="385" width="600"]]
263 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
223 223  
265 +example: AT+SENDB=01,02,8,05820802581ea0a5
224 224  
267 +[[image:image-20220602160339-6.png]]
225 225  
226 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
269 +Check to see if TTN received the message
227 227  
271 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
228 228  
229 -[[image:image-20220907170308-3.png||height="556" width="617"]]
273 +=== Install Minicom ===
230 230  
275 +Enter the following command in the RPI terminal
231 231  
277 +apt update
232 232  
233 -(% style="color:blue" %)**5.  Network successfully.**
279 +[[image:image-20220602143155-1.png]]
234 234  
281 +apt install minicom
235 235  
236 -[[image:image-20220907170436-4.png]]
283 +[[image:image-20220602143744-2.png]]
237 237  
285 +=== Send PC's CPU/RAM usage to TTN via script. ===
238 238  
287 +==== Take python as an example： ====
239 239  
240 -(% style="color:blue" %)**6.  Send uplink using command**
289 +===== Preconditions: =====
241 241  
291 +1.LA66 USB LoRaWAN Adapter works fine
242 242  
243 -[[image:image-20220912084334-1.png]]
293 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
244 244  
295 +===== Steps for usage =====
245 245  
246 -[[image:image-20220912084412-3.png]]
297 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
247 247  
299 +2.Run the script and see the TTN
248 248  
301 +[[image:image-20220602115852-3.png]]
249 249  
250 -[[image:image-20220907170744-6.png||height="242" width="798"]]
251 251  
252 252  
305 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
253 253  
254 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
255 255  
308 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
256 256  
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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