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Last modified by Xiaoling on 2023/05/26 14:19
From version 149.4
edited by Xiaoling
on 2022/08/17 10:02
Change comment: There is no comment for this version
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  
43 +LoRa Rx current: <9 mA
68 68  
45 +I/O Voltage: 3.3v
69 69  
70 -== 1.3  Specification ==
71 71  
48 +== AT Command ==
72 72  
73 -* CPU: 32-bit 48 MHz
74 -* Flash: 256KB
75 -* RAM: 64KB
76 -* Input Power Range: 1.8v ~~ 3.7v
77 -* Power Consumption: < 4uA.
78 -* Frequency Range: 150 MHz ~~ 960 MHz
79 -* Maximum Power +22 dBm constant RF output
80 -* High sensitivity: -148 dBm
81 -* Temperature:
82 -** Storage: -55 ~~ +125℃
83 -** Operating: -40 ~~ +85℃
84 -* Humidity:
85 -** Storage: 5 ~~ 95% (Non-Condensing)
86 -** Operating: 10 ~~ 95% (Non-Condensing)
87 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
88 -* LoRa Rx current: <9 mA
89 -* I/O Voltage: 3.3v
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 91  
53 +== Pin Mapping ==
92 92  
93 -== 1.4  Pin Mapping & LED ==
55 +[[image:image-20220523101537-1.png]]
94 94  
57 +== Land Pattern ==
95 95  
96 -[[image:image-20220817085048-1.png]]
59 +[[image:image-20220517072821-2.png]]
97 97  
98 98  
62 +== Part Number ==
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
64 +Part Number: **LA66-XXX**
103 103  
66 +**XX**: The default frequency band
104 104  
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  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
77 += LA66 LoRaWAN Shield =
107 107  
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  
109 -**Show connection diagram：**
81 +== Pin Mapping & LED ==
110 110  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
113 113  
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
114 114  
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
115 115  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
91 +=== what needs to be used ===
117 117  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
118 118  
119 -[[image:image-20220723170545-4.png]]
95 +2.Arduino
120 120  
97 +3.USB TO TTL
121 121  
99 +[[image:image-20220602100052-2.png]]
122 122  
123 -(% style="color:blue" %)**2.  Open project**
101 +=== Wiring Schematic ===
124 124  
103 +[[image:image-20220602101311-3.png]]
125 125  
126 -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
127 127  
128 -[[image:image-20220726135239-1.png]]
107 +GND  >>>>>>>>>>>>GND
129 129  
109 +TXD  >>>>>>>>>>>>TXD
130 130  
111 +RXD  >>>>>>>>>>>>RXD
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**
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
133 133  
134 -[[image:image-20220726135356-2.png]]
115 +Connect to the PC after connecting the wires
135 135  
117 +[[image:image-20220602102240-4.png]]
136 136  
119 +=== Upgrade steps ===
137 137  
138 -(% 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 ====
139 139  
123 +[[image:image-20220602102824-5.png]]
140 140  
141 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
142 142  
127 +[[image:image-20220602104701-12.png]]
143 143  
129 +==== Open the upgrade application software ====
144 144  
145 -== 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/]]
146 146  
133 +[[image:image-20220602103227-6.png]]
147 147  
148 -(% style="color:blue" %)**1.  Open project**
135 +[[image:image-20220602103357-7.png]]
149 149  
137 +===== Select the COM port corresponding to USB TTL =====
150 150  
151 -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]]
152 152  
141 +===== Select the bin file to burn =====
153 153  
154 -[[image:image-20220723172502-8.png]]
143 +[[image:image-20220602104144-9.png]]
155 155  
145 +[[image:image-20220602104251-10.png]]
156 156  
147 +[[image:image-20220602104402-11.png]]
157 157  
158 -(% 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**
149 +===== Click to start the download =====
159 159  
151 +[[image:image-20220602104923-13.png]]
160 160  
161 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
153 +===== The following figure appears to prove that the burning is in progress =====
162 162  
155 +[[image:image-20220602104948-14.png]]
163 163  
157 +===== The following picture appears to prove that the burning is successful =====
164 164  
165 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
159 +[[image:image-20220602105251-15.png]]
166 166  
161 += LA66 USB LoRaWAN Adapter =
167 167  
168 -(% 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.
169 169  
165 +Before use, please make sure that the computer has installed the CP2102 driver
170 170  
171 -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 ==
172 172  
169 +== Example Send & Get Messages via LoRaWAN in PC ==
173 173  
174 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
171 +Connect the LA66 LoRa Shield to the PC
175 175  
173 +[[image:image-20220602171217-1.png||height="615" width="915"]]
176 176  
175 +Open the serial port tool
177 177  
178 -(% 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]]
179 179  
179 +[[image:image-20220602161718-9.png||height="529" width="927"]]
180 180  
181 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
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  
185 +[[image:image-20220602161935-10.png]]
184 184  
185 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
187 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
186 186  
187 -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/]]
189 +example: AT+SENDB=01,02,8,05820802581ea0a5
188 188  
189 -[[image:image-20220723175700-12.png||height="602" width="995"]]
191 +[[image:image-20220602162157-11.png]]
190 190  
193 +Check to see if TTN received the message
191 191  
195 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
192 192  
193 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
197 +== Example Send & Get Messages via LoRaWAN in RPi ==
194 194  
199 +Connect the LA66 LoRa Shield to the RPI
195 195  
196 -=== 1.8.1  Items needed for update ===
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 -1. LA66 LoRaWAN Shield
200 -1. Arduino
201 -1. USB TO TTL Adapter
205 +[[image:image-20220602153146-3.png]]
202 202  
203 -[[image:image-20220602100052-2.png||height="385" width="600"]]
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
204 204  
210 +[[image:image-20220602154928-5.png]]
205 205  
212 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
206 206  
207 -=== 1.8.2  Connection ===
214 +example: AT+SENDB=01,02,8,05820802581ea0a5
208 208  
216 +[[image:image-20220602160339-6.png]]
209 209  
210 -[[image:image-20220602101311-3.png||height="276" width="600"]]
218 +Check to see if TTN received the message
211 211  
220 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
212 212  
213 -(((
214 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
215 -)))
222 +=== Install Minicom ===
216 216  
217 -(((
218 -(% style="background-color:yellow" %)**GND  <-> GND
219 -TXD  <->  TXD
220 -RXD  <->  RXD**
221 -)))
224 +Enter the following command in the RPI terminal
222 222  
226 +apt update
223 223  
224 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
228 +[[image:image-20220602143155-1.png]]
225 225  
226 -Connect USB TTL Adapter to PC after connecting the wires
230 +apt install minicom
227 227  
232 +[[image:image-20220602143744-2.png]]
228 228  
229 -[[image:image-20220602102240-4.png||height="304" width="600"]]
234 +=== Send PC's CPU/RAM usage to TTN via script. ===
230 230  
236 +==== Take python as an example： ====
231 231  
238 +===== Preconditions: =====
232 232  
233 -=== 1.8.3  Upgrade steps ===
240 +1.LA66 USB LoRaWAN Adapter works fine
234 234  
242 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
235 235  
244 +===== Steps for usage =====
236 236  
237 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
246 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
238 238  
239 239  
240 -[[image:image-20220602102824-5.png||height="306" width="600"]]
249 +2.Run the script and see the TTN
241 241  
251 +[[image:image-20220602115852-3.png]]
242 242  
243 243  
244 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
245 245  
255 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
246 246  
247 -[[image:image-20220817085447-1.png]]
248 248  
249 -
250 -
251 -
252 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
253 -
254 -
255 -(((
256 -(% style="color:blue" %)**1. 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/]]**
257 -)))
258 -
259 -
260 -[[image:image-20220602103227-6.png]]
261 -
262 -
263 -[[image:image-20220602103357-7.png]]
264 -
265 -
266 -
267 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
268 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
269 -
270 -
271 -[[image:image-20220602103844-8.png]]
272 -
273 -
274 -
275 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
276 -(% style="color:blue" %)**3. Select the bin file to burn**
277 -
278 -
279 -[[image:image-20220602104144-9.png]]
280 -
281 -
282 -[[image:image-20220602104251-10.png]]
283 -
284 -
285 -[[image:image-20220602104402-11.png]]
286 -
287 -
288 -
289 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
290 -(% style="color:blue" %)**4. Click to start the download**
291 -
292 -[[image:image-20220602104923-13.png]]
293 -
294 -
295 -
296 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
297 -(% style="color:blue" %)**5. Check update process**
298 -
299 -
300 -[[image:image-20220602104948-14.png]]
301 -
302 -
303 -
304 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
305 -(% style="color:blue" %)**The following picture shows that the burning is successful**
306 -
307 -[[image:image-20220602105251-15.png]]
308 -
309 -
310 -
311 -= 2.  FAQ =
312 -
313 -
314 -== 2.1  How to Compile Source Code for LA66? ==
315 -
316 -
317 -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]]
318 -
319 -
320 -
321 -= 3.  Order Info =
322 -
323 -
324 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
325 -
326 -
327 -(% style="color:blue" %)**XXX**(%%): The default frequency band
328 -
329 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
330 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
331 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
332 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
333 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
334 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
335 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
336 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
337 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
338 -
339 -
340 -
341 -
342 -= 4.  Reference =
343 -
344 -
345 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
346 -
347 -
258 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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