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Last modified by Xiaoling on 2023/05/26 14:19
From version 154.1
edited by Bei Jinggeng
on 2022/09/07 16:58
Change comment: Uploaded new attachment "image-20220907165837-2.png", version {1}
To version 63.1
edited by Herong Lu
on 2022/06/02 17:23
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.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  
69 -== 1.3  Specification ==
45 +I/O Voltage: 3.3v
70 70  
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
48 +== AT Command ==
89 89  
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.
90 90  
91 -== 1.4  Pin Mapping & LED ==
92 92  
53 +== Pin Mapping ==
93 93  
94 -[[image:image-20220817085048-1.png||height="533" width="734"]]
55 +[[image:image-20220523101537-1.png]]
95 95  
57 +== Land Pattern ==
96 96  
59 +[[image:image-20220517072821-2.png]]
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
101 101  
62 +== Part Number ==
102 102  
103 -[[image:image-20220820112305-1.png||height="515" width="749"]]
64 +Part Number: **LA66-XXX**
104 104  
66 +**XX**: The default frequency band
105 105  
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
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
77 += LA66 LoRaWAN Shield =
108 108  
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
109 109  
110 -**Show connection diagram：**
81 +== Pin Mapping & LED ==
111 111  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
114 114  
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
115 115  
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
91 +=== what needs to be used ===
118 118  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
119 119  
120 -[[image:image-20220723170545-4.png]]
95 +2.Arduino
121 121  
97 +3.USB TO TTL
122 122  
99 +[[image:image-20220602100052-2.png]]
123 123  
124 -(% style="color:blue" %)**2.  Open project**
101 +=== Wiring Schematic ===
125 125  
103 +[[image:image-20220602101311-3.png]]
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]]
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
128 128  
107 +GND  >>>>>>>>>>>>GND
129 129  
130 -[[image:image-20220726135239-1.png]]
109 +TXD  >>>>>>>>>>>>TXD
131 131  
111 +RXD  >>>>>>>>>>>>RXD
132 132  
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
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**
115 +Connect to the PC after connecting the wires
135 135  
117 +[[image:image-20220602102240-4.png]]
136 136  
137 -[[image:image-20220726135356-2.png]]
119 +=== Upgrade steps ===
138 138  
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
139 139  
123 +[[image:image-20220602102824-5.png]]
140 140  
141 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
142 142  
127 +[[image:image-20220602104701-12.png]]
143 143  
144 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
129 +==== Open the upgrade application software ====
145 145  
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/]]
146 146  
133 +[[image:image-20220602103227-6.png]]
147 147  
148 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
135 +[[image:image-20220602103357-7.png]]
149 149  
137 +===== Select the COM port corresponding to USB TTL =====
150 150  
151 -(% style="color:blue" %)**1.  Open project**
139 +[[image:image-20220602103844-8.png]]
152 152  
141 +===== Select the bin file to burn =====
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]]
143 +[[image:image-20220602104144-9.png]]
155 155  
145 +[[image:image-20220602104251-10.png]]
156 156  
157 -[[image:image-20220723172502-8.png]]
147 +[[image:image-20220602104402-11.png]]
158 158  
149 +===== Click to start the download =====
159 159  
151 +[[image:image-20220602104923-13.png]]
160 160  
161 -(% 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**
153 +===== The following figure appears to prove that the burning is in progress =====
162 162  
155 +[[image:image-20220602104948-14.png]]
163 163  
164 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
157 +===== The following picture appears to prove that the burning is successful =====
165 165  
159 +[[image:image-20220602105251-15.png]]
166 166  
161 += LA66 USB LoRaWAN Adapter =
167 167  
168 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
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.
169 169  
165 +Before use, please make sure that the computer has installed the CP2102 driver
170 170  
171 -(% style="color:blue" %)**1.  Open project**
167 +== Pin Mapping & LED ==
172 172  
169 +== Example Send & Get Messages via LoRaWAN in PC ==
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]]
171 +Connect the LA66 LoRa Shield to the PC
175 175  
173 +[[image:image-20220602171217-1.png||height="615" width="915"]]
176 176  
177 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
175 +Open the serial port tool
178 178  
177 +[[image:image-20220602161617-8.png]]
179 179  
179 +[[image:image-20220602161718-9.png||height="529" width="927"]]
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**
181 +Press the reset switch RST on the LA66 LoRa Shield.
182 182  
183 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
183 183  
184 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
185 +[[image:image-20220602161935-10.png]]
185 185  
187 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
186 186  
187 -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]]
189 +example: AT+SENDB=01,02,8,05820802581ea0a5
188 188  
191 +[[image:image-20220602162157-11.png]]
189 189  
193 +Check to see if TTN received the message
190 190  
191 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
195 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
192 192  
197 +== Example Send & Get Messages via LoRaWAN in RPi ==
193 193  
194 -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/]]
199 +Connect the LA66 LoRa Shield to the RPI
195 195  
201 +[[image:image-20220602171233-2.png||height="592" width="881"]]
196 196  
197 -[[image:image-20220723175700-12.png||height="602" width="995"]]
203 +Log in to the RPI's terminal and connect to the serial port
198 198  
205 +[[image:image-20220602153146-3.png]]
199 199  
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
200 200  
201 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
210 +[[image:image-20220602154928-5.png]]
202 202  
212 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
203 203  
204 -=== 1.8.1  Items needed for update ===
214 +example: AT+SENDB=01,02,8,05820802581ea0a5
205 205  
216 +[[image:image-20220602160339-6.png]]
206 206  
207 -1. LA66 LoRaWAN Shield
208 -1. Arduino
209 -1. USB TO TTL Adapter
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  
224 +Enter the following command in the RPI terminal
214 214  
215 -=== 1.8.2  Connection ===
226 +apt update
216 216  
228 +[[image:image-20220602143155-1.png]]
217 217  
218 -[[image:image-20220602101311-3.png||height="276" width="600"]]
230 +apt install minicom
219 219  
232 +[[image:image-20220602143744-2.png]]
220 220  
221 -(((
222 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
223 -)))
234 +=== Send PC's CPU/RAM usage to TTN via script. ===
224 224  
225 -(((
226 -(% style="background-color:yellow" %)**GND  <-> GND
227 -TXD  <->  TXD
228 -RXD  <->  RXD**
229 -)))
236 +==== Take python as an example： ====
230 230  
238 +===== Preconditions: =====
231 231  
232 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
240 +1.LA66 USB LoRaWAN Adapter works fine
233 233  
234 -Connect USB TTL Adapter to PC after connecting the wires
242 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
235 235  
244 +===== Steps for usage =====
236 236  
237 -[[image:image-20220602102240-4.png||height="304" width="600"]]
246 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
238 238  
248 +2.Run the script and see the TTN
239 239  
250 +[[image:image-20220602115852-3.png]]
240 240  
241 -=== 1.8.3  Upgrade steps ===
242 242  
243 243  
254 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
244 244  
245 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
246 246  
257 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
247 247  
248 -[[image:image-20220602102824-5.png||height="306" width="600"]]
249 -
250 -
251 -
252 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
253 -
254 -
255 -[[image:image-20220817085447-1.png]]
256 -
257 -
258 -
259 -
260 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
261 -
262 -
263 -(((
264 -(% 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]]**
265 -)))
266 -
267 -
268 -[[image:image-20220602103227-6.png]]
269 -
270 -
271 -[[image:image-20220602103357-7.png]]
272 -
273 -
274 -
275 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
276 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
277 -
278 -
279 -[[image:image-20220602103844-8.png]]
280 -
281 -
282 -
283 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
284 -(% style="color:blue" %)**3. Select the bin file to burn**
285 -
286 -
287 -[[image:image-20220602104144-9.png]]
288 -
289 -
290 -[[image:image-20220602104251-10.png]]
291 -
292 -
293 -[[image:image-20220602104402-11.png]]
294 -
295 -
296 -
297 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
298 -(% style="color:blue" %)**4. Click to start the download**
299 -
300 -
301 -[[image:image-20220602104923-13.png]]
302 -
303 -
304 -
305 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
306 -(% style="color:blue" %)**5. Check update process**
307 -
308 -
309 -[[image:image-20220602104948-14.png]]
310 -
311 -
312 -
313 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
314 -(% style="color:blue" %)**The following picture shows that the burning is successful**
315 -
316 -
317 -[[image:image-20220602105251-15.png]]
318 -
319 -
320 -
321 -= 2.  FAQ =
322 -
323 -
324 -== 2.1  How to Compile Source Code for LA66? ==
325 -
326 -
327 -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]]
328 -
329 -
330 -
331 -= 3.  Order Info =
332 -
333 -
334 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
335 -
336 -
337 -(% style="color:blue" %)**XXX**(%%): The default frequency band
338 -
339 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
340 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
341 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
342 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
343 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
344 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
345 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
346 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
347 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
348 -
349 -
350 -
351 -= 4.  Reference =
352 -
353 -
354 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
355 -
356 356  
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