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Last modified by Xiaoling on 2023/05/26 14:19
From version 151.2
edited by Xiaoling
on 2022/08/22 16:13
Change comment: There is no comment for this version
To version 57.1
edited by Herong Lu
on 2022/06/02 16:23
Change comment: Uploaded new attachment "image-20220602162331-12.png", version {1}

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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  
43 +LoRa Rx current: <9 mA
68 68  
45 +I/O Voltage: 3.3v
69 69  
70 70  
71 -== 1.3  Specification ==
48 +== AT Command ==
72 72  
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.
73 73  
74 -* CPU: 32-bit 48 MHz
75 -* Flash: 256KB
76 -* RAM: 64KB
77 -* Input Power Range: 1.8v ~~ 3.7v
78 -* Power Consumption: < 4uA.
79 -* Frequency Range: 150 MHz ~~ 960 MHz
80 -* Maximum Power +22 dBm constant RF output
81 -* High sensitivity: -148 dBm
82 -* Temperature:
83 -** Storage: -55 ~~ +125℃
84 -** Operating: -40 ~~ +85℃
85 -* Humidity:
86 -** Storage: 5 ~~ 95% (Non-Condensing)
87 -** Operating: 10 ~~ 95% (Non-Condensing)
88 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
89 -* LoRa Rx current: <9 mA
90 -* I/O Voltage: 3.3v
91 91  
53 +== Pin Mapping ==
92 92  
55 +[[image:image-20220523101537-1.png]]
93 93  
57 +== Land Pattern ==
94 94  
95 -== 1.4  Pin Mapping & LED ==
59 +[[image:image-20220517072821-2.png]]
96 96  
97 97  
98 -[[image:image-20220817085048-1.png||height="533" width="734"]]
62 +== Part Number ==
99 99  
64 +Part Number: **LA66-XXX**
100 100  
66 +**XX**: The default frequency band
101 101  
102 -~1. The LED lights up red when there is an upstream data packet
103 -2. When the network is successfully connected, the green light will be on for 5 seconds
104 -3. Purple light on when receiving downlink data packets
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
105 105  
77 += LA66 LoRaWAN Shield =
106 106  
107 -[[image:image-20220820112305-1.png||height="515" width="749"]]
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
108 108  
81 +== Pin Mapping & LED ==
109 109  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
110 110  
111 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
112 112  
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
113 113  
114 -**Show connection diagram：**
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
115 115  
91 +=== what needs to be used ===
116 116  
117 -[[image:image-20220723170210-2.png||height="908" width="681"]]
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
118 118  
95 +2.Arduino
119 119  
97 +3.USB TO TTL
120 120  
121 -(% style="color:blue" %)**1.  open Arduino IDE**
99 +[[image:image-20220602100052-2.png]]
122 122  
101 +=== Wiring Schematic ===
123 123  
124 -[[image:image-20220723170545-4.png]]
103 +[[image:image-20220602101311-3.png]]
125 125  
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
126 126  
107 +GND  >>>>>>>>>>>>GND
127 127  
128 -(% style="color:blue" %)**2.  Open project**
109 +TXD  >>>>>>>>>>>>TXD
129 129  
111 +RXD  >>>>>>>>>>>>RXD
130 130  
131 -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]]
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
132 132  
133 -[[image:image-20220726135239-1.png]]
115 +Connect to the PC after connecting the wires
134 134  
117 +[[image:image-20220602102240-4.png]]
135 135  
119 +=== Upgrade steps ===
136 136  
137 -(% 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**
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
138 138  
139 -[[image:image-20220726135356-2.png]]
123 +[[image:image-20220602102824-5.png]]
140 140  
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
141 141  
127 +[[image:image-20220602104701-12.png]]
142 142  
143 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
129 +==== Open the upgrade application software ====
144 144  
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/]]
145 145  
146 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
147 -
148 -
149 -
150 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
151 -
152 -
153 -(% style="color:blue" %)**1.  Open project**
154 -
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]]
157 -
158 -
159 -[[image:image-20220723172502-8.png]]
160 -
161 -
162 -
163 -(% 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 -
165 -
166 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
167 -
168 -
169 -
170 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
171 -
172 -
173 -(% style="color:blue" %)**1.  Open project**
174 -
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]]
177 -
178 -
179 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
180 -
181 -
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**
184 -
185 -
186 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
187 -
188 -
189 -
190 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
191 -
192 -For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
193 -
194 -[[image:image-20220723175700-12.png||height="602" width="995"]]
195 -
196 -
197 -
198 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
199 -
200 -
201 -=== 1.8.1  Items needed for update ===
202 -
203 -
204 -1. LA66 LoRaWAN Shield
205 -1. Arduino
206 -1. USB TO TTL Adapter
207 -
208 -
209 -
210 -[[image:image-20220602100052-2.png||height="385" width="600"]]
211 -
212 -
213 -
214 -=== 1.8.2  Connection ===
215 -
216 -
217 -[[image:image-20220602101311-3.png||height="276" width="600"]]
218 -
219 -
220 -(((
221 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
222 -)))
223 -
224 -(((
225 -(% style="background-color:yellow" %)**GND  <-> GND
226 -TXD  <->  TXD
227 -RXD  <->  RXD**
228 -)))
229 -
230 -
231 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
232 -
233 -Connect USB TTL Adapter to PC after connecting the wires
234 -
235 -
236 -[[image:image-20220602102240-4.png||height="304" width="600"]]
237 -
238 -
239 -
240 -=== 1.8.3  Upgrade steps ===
241 -
242 -
243 -
244 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
245 -
246 -
247 -[[image:image-20220602102824-5.png||height="306" width="600"]]
248 -
249 -
250 -
251 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
252 -
253 -
254 -[[image:image-20220817085447-1.png]]
255 -
256 -
257 -
258 -
259 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
260 -
261 -
262 -(((
263 -(% 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]]**
264 -)))
265 -
266 -
267 267  [[image:image-20220602103227-6.png]]
268 268  
269 -
270 270  [[image:image-20220602103357-7.png]]
271 271  
137 +===== Select the COM port corresponding to USB TTL =====
272 272  
139 +[[image:image-20220602103844-8.png]]
273 273  
274 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
275 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
141 +===== Select the bin file to burn =====
276 276  
143 +[[image:image-20220602104144-9.png]]
277 277  
278 -[[image:image-20220602103844-8.png]]
145 +[[image:image-20220602104251-10.png]]
279 279  
147 +[[image:image-20220602104402-11.png]]
280 280  
149 +===== Click to start the download =====
281 281  
282 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
283 -(% style="color:blue" %)**3. Select the bin file to burn**
151 +[[image:image-20220602104923-13.png]]
284 284  
153 +===== The following figure appears to prove that the burning is in progress =====
285 285  
286 -[[image:image-20220602104144-9.png]]
155 +[[image:image-20220602104948-14.png]]
287 287  
157 +===== The following picture appears to prove that the burning is successful =====
288 288  
289 -[[image:image-20220602104251-10.png]]
159 +[[image:image-20220602105251-15.png]]
290 290  
161 += LA66 USB LoRaWAN Adapter =
291 291  
292 -[[image:image-20220602104402-11.png]]
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.
293 293  
165 +Before use, please make sure that the computer has installed the CP2102 driver
294 294  
167 +== Pin Mapping & LED ==
295 295  
296 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
297 -(% style="color:blue" %)**4. Click to start the download**
169 +== Example Send & Get Messages via LoRaWAN in PC ==
298 298  
299 -[[image:image-20220602104923-13.png]]
171 +== Example Send & Get Messages via LoRaWAN in RPi ==
300 300  
173 +Connect the LA66 LoRa Shield to the RPI
301 301  
175 +[[image:image-20220602153333-4.png]]
302 302  
303 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
304 -(% style="color:blue" %)**5. Check update process**
177 +Log in to the RPI's terminal and connect to the serial port
305 305  
179 +[[image:image-20220602153146-3.png]]
306 306  
307 -[[image:image-20220602104948-14.png]]
181 +Press the reset switch RST on the LA66 LoRa Shield.
182 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
308 308  
184 +[[image:image-20220602154928-5.png]]
309 309  
186 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
310 310  
311 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
312 -(% style="color:blue" %)**The following picture shows that the burning is successful**
188 +example: AT+SENDB=01,02,8,05820802581ea0a5
313 313  
314 -[[image:image-20220602105251-15.png]]
190 +[[image:image-20220602160339-6.png]]
315 315  
192 +Check to see if TTN received the message
316 316  
194 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
317 317  
318 -= 2.  FAQ =
196 +=== Install Minicom ===
319 319  
198 +Enter the following command in the RPI terminal
320 320  
321 -== 2.1  How to Compile Source Code for LA66? ==
200 +apt update
322 322  
202 +[[image:image-20220602143155-1.png]]
323 323  
324 -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]]
204 +apt install minicom
325 325  
206 +[[image:image-20220602143744-2.png]]
326 326  
208 +=== Use AT Command to send an uplink message. ===
327 327  
328 -= 3.  Order Info =
210 +=== Send PC's CPU/RAM usage to TTN via script. ===
329 329  
212 +==== Take python as an example： ====
330 330  
331 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
214 +===== Preconditions: =====
332 332  
216 +1.LA66 LoRa Shield works fine
333 333  
334 -(% style="color:blue" %)**XXX**(%%): The default frequency band
218 +2.LA66 LoRa Shield is registered with TTN
335 335  
336 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
337 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
338 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
339 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
340 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
341 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
342 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
343 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
344 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
220 +===== Steps for usage =====
345 345  
222 +1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
346 346  
224 +[[image:image-20220602114148-1.png]]
347 347  
226 +2.Run the script and see the TTN
348 348  
349 -= 4.  Reference =
228 +[[image:image-20220602115852-3.png]]
350 350  
351 351  
352 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
353 353  
354 -
232 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
233 +
234 +
235 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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