Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 146.8 >
edited by Xiaoling
on 2022/08/16 14:21
To version < 64.1 >
edited by Edwin Chen
on 2022/07/02 21:03
>
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.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 +**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 +**LA66 **is a ready-to-use module that includes the 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 for developers to make a LoRaWAN End device. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
11 11  
12 12  
13 -== 1.1  Overview ==
14 +LA66 is equipped with **TCXO crystal** which ensures the module can achieve the stable performance in extreme temperatures.
14 14  
15 15  
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
17 +**Each LA66 **module includes a world-unique OTAA key for LoRaWAN registration.
19 19  
20 -(((
21 -
22 -)))
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 -)))
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 -)))
21 +== Specification ==
33 33  
34 -(((
35 -(((
36 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
23 +[[image:image-20220517072526-1.png]]
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 -)))
25 +Input Power Range: 1.8v ~~ 3.7v
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 -)))
27 +Power Consumption: < 4uA.
51 51  
29 +Frequency Range: 150 MHz ~~ 960 MHz
52 52  
31 +Maximum Power +22 dBm constant RF output
53 53  
54 -== 1.2  Features ==
33 +High sensitivity: -148 dBm
55 55  
35 +Temperature:
56 56  
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.4 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
37 +* Storage: -55 ~~ +125℃
38 +* Operating: -40 ~~ +85℃
67 67  
40 +Humidity:
68 68  
42 +* Storage: 5 ~~ 95% (Non-Condensing)
43 +* Operating: 10 ~~ 95% (Non-Condensing)
69 69  
70 -== 1.3  Specification ==
45 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
71 71  
47 +LoRa Rx current: <9 mA
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
49 +I/O Voltage: 3.3v
90 90  
91 91  
52 +== AT Command ==
92 92  
93 -== 1.4  Pin Mapping & LED ==
54 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
94 94  
95 95  
96 -[[image:image-20220814101457-1.png||height="553" width="761"]]
57 +== Pin Mapping ==
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
59 +[[image:image-20220523101537-1.png]]
101 101  
61 +== Land Pattern ==
102 102  
63 +[[image:image-20220517072821-2.png]]
103 103  
104 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
105 105  
66 +== Part Number ==
106 106  
107 -**Show connection diagram：**
68 +Part Number: **LA66-XXX**
108 108  
70 +**XX**: The default frequency band
109 109  
110 -[[image:image-20220723170210-2.png||height="908" width="681"]]
72 +* **AS923**: LoRaWAN AS923 band
73 +* **AU915**: LoRaWAN AU915 band
74 +* **EU433**: LoRaWAN EU433 band
75 +* **EU868**: LoRaWAN EU868 band
76 +* **KR920**: LoRaWAN KR920 band
77 +* **US915**: LoRaWAN US915 band
78 +* **IN865**: LoRaWAN IN865 band
79 +* **CN470**: LoRaWAN CN470 band
111 111  
81 += LA66 LoRaWAN Shield =
112 112  
83 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
113 113  
114 -(% style="color:blue" %)**1.  open Arduino IDE**
85 +== Pin Mapping & LED ==
115 115  
87 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
116 116  
117 -[[image:image-20220723170545-4.png]]
89 +== Example: Join TTN network and send an uplink message, get downlink message. ==
118 118  
91 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
119 119  
93 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
120 120  
121 -(% style="color:blue" %)**2.  Open project**
95 +=== what needs to be used ===
122 122  
97 +1.LA66 LoRaWAN Shield that needs to be upgraded
123 123  
124 -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]]
99 +2.Arduino
125 125  
126 -[[image:image-20220726135239-1.png]]
101 +3.USB TO TTL
127 127  
103 +[[image:image-20220602100052-2.png]]
128 128  
129 -(% 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**
105 +=== Wiring Schematic ===
130 130  
131 -[[image:image-20220726135356-2.png]]
107 +[[image:image-20220602101311-3.png]]
132 132  
109 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
133 133  
134 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
111 +GND  >>>>>>>>>>>>GND
135 135  
113 +TXD  >>>>>>>>>>>>TXD
136 136  
137 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
115 +RXD  >>>>>>>>>>>>RXD
138 138  
117 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
139 139  
119 +Connect to the PC after connecting the wires
140 140  
141 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
121 +[[image:image-20220602102240-4.png]]
142 142  
123 +=== Upgrade steps ===
143 143  
144 -(% style="color:blue" %)**1.  Open project**
125 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
145 145  
127 +[[image:image-20220602102824-5.png]]
146 146  
147 -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]]
129 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
148 148  
131 +[[image:image-20220602104701-12.png]]
149 149  
150 -[[image:image-20220723172502-8.png]]
133 +==== Open the upgrade application software ====
151 151  
135 +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/]]
152 152  
137 +[[image:image-20220602103227-6.png]]
153 153  
154 -(% 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**
139 +[[image:image-20220602103357-7.png]]
155 155  
141 +===== Select the COM port corresponding to USB TTL =====
156 156  
157 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
143 +[[image:image-20220602103844-8.png]]
158 158  
145 +===== Select the bin file to burn =====
159 159  
147 +[[image:image-20220602104144-9.png]]
160 160  
161 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
149 +[[image:image-20220602104251-10.png]]
162 162  
151 +[[image:image-20220602104402-11.png]]
163 163  
164 -(% style="color:blue" %)**1.  Open project**
153 +===== Click to start the download =====
165 165  
155 +[[image:image-20220602104923-13.png]]
166 166  
167 -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]]
157 +===== The following figure appears to prove that the burning is in progress =====
168 168  
159 +[[image:image-20220602104948-14.png]]
169 169  
170 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
161 +===== The following picture appears to prove that the burning is successful =====
171 171  
163 +[[image:image-20220602105251-15.png]]
172 172  
165 += LA66 USB LoRaWAN Adapter =
173 173  
174 -(% 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**
167 +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.
175 175  
169 +Before use, please make sure that the computer has installed the CP2102 driver
176 176  
177 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
171 +== Pin Mapping & LED ==
178 178  
173 +== Example Send & Get Messages via LoRaWAN in PC ==
179 179  
175 +Connect the LA66 LoRa Shield to the PC
180 180  
181 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
177 +[[image:image-20220602171217-1.png||height="615" width="915"]]
182 182  
183 -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/]]
179 +Open the serial port tool
184 184  
185 -[[image:image-20220723175700-12.png||height="602" width="995"]]
181 +[[image:image-20220602161617-8.png]]
186 186  
183 +[[image:image-20220602161718-9.png||height="529" width="927"]]
187 187  
185 +Press the reset switch RST on the LA66 LoRa Shield.
188 188  
189 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
187 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
190 190  
189 +[[image:image-20220602161935-10.png]]
191 191  
192 -=== 1.8.1  Items needed for update ===
191 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
193 193  
193 +example: AT+SENDB=01,02,8,05820802581ea0a5
194 194  
195 -1. LA66 LoRaWAN Shield
196 -1. Arduino
197 -1. USB TO TTL Adapter
195 +[[image:image-20220602162157-11.png]]
198 198  
199 -[[image:image-20220602100052-2.png||height="385" width="600"]]
197 +Check to see if TTN received the message
200 200  
199 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
201 201  
201 +== Example Send & Get Messages via LoRaWAN in RPi ==
202 202  
203 -=== 1.8.2  Connection ===
203 +Connect the LA66 LoRa Shield to the RPI
204 204  
205 +[[image:image-20220602171233-2.png||height="592" width="881"]]
205 205  
206 -[[image:image-20220602101311-3.png||height="276" width="600"]]
207 +Log in to the RPI's terminal and connect to the serial port
207 207  
209 +[[image:image-20220602153146-3.png]]
208 208  
209 -(((
210 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
211 -)))
211 +Press the reset switch RST on the LA66 LoRa Shield.
212 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
212 212  
213 -(((
214 -(% style="background-color:yellow" %)**GND  <-> GND
215 -TXD  <->  TXD
216 -RXD  <->  RXD**
217 -)))
214 +[[image:image-20220602154928-5.png]]
218 218  
216 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
219 219  
220 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
218 +example: AT+SENDB=01,02,8,05820802581ea0a5
221 221  
222 -Connect USB TTL Adapter to PC after connecting the wires
220 +[[image:image-20220602160339-6.png]]
223 223  
222 +Check to see if TTN received the message
224 224  
225 -[[image:image-20220602102240-4.png||height="304" width="600"]]
224 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
226 226  
226 +=== Install Minicom ===
227 227  
228 +Enter the following command in the RPI terminal
228 228  
229 -=== 1.8.3  Upgrade steps ===
230 +apt update
230 230  
232 +[[image:image-20220602143155-1.png]]
231 231  
232 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
234 +apt install minicom
233 233  
236 +[[image:image-20220602143744-2.png]]
234 234  
235 -[[image:image-20220602102824-5.png||height="306" width="600"]]
238 +=== Send PC's CPU/RAM usage to TTN via script. ===
236 236  
240 +==== Take python as an example： ====
237 237  
242 +===== Preconditions: =====
238 238  
239 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
244 +1.LA66 USB LoRaWAN Adapter works fine
240 240  
246 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
241 241  
242 -[[image:image-20220602104701-12.png||height="285" width="600"]]
248 +===== Steps for usage =====
243 243  
250 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
244 244  
252 +2.Run the script and see the TTN
245 245  
246 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
254 +[[image:image-20220602115852-3.png]]
247 247  
248 248  
249 -(((
250 -(% 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/]]**
251 -)))
252 252  
258 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
253 253  
254 -[[image:image-20220602103227-6.png]]
255 255  
261 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
256 256  
257 -[[image:image-20220602103357-7.png]]
258 -
259 -
260 -
261 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
262 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
263 -
264 -
265 -[[image:image-20220602103844-8.png]]
266 -
267 -
268 -
269 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
270 -(% style="color:blue" %)**3. Select the bin file to burn**
271 -
272 -
273 -[[image:image-20220602104144-9.png]]
274 -
275 -
276 -[[image:image-20220602104251-10.png]]
277 -
278 -
279 -[[image:image-20220602104402-11.png]]
280 -
281 -
282 -
283 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
284 -(% style="color:blue" %)**4. Click to start the download**
285 -
286 -[[image:image-20220602104923-13.png]]
287 -
288 -
289 -
290 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
291 -(% style="color:blue" %)**5. Check update process**
292 -
293 -
294 -[[image:image-20220602104948-14.png]]
295 -
296 -
297 -
298 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
299 -(% style="color:blue" %)**The following picture shows that the burning is successful**
300 -
301 -[[image:image-20220602105251-15.png]]
302 -
303 -
304 -
305 -= 2.  FAQ =
306 -
307 -
308 -== 2.1  How to Compile Source Code for LA66? ==
309 -
310 -
311 -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]]
312 -
313 -
314 -
315 -= 3.  Order Info =
316 -
317 -
318 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
319 -
320 -
321 -(% style="color:blue" %)**XXX**(%%): The default frequency band
322 -
323 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
324 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
325 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
326 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
327 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
328 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
329 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
330 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
331 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
332 -
333 -
334 -
335 -= 4.  Reference =
336 -
337 -
338 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
263 +
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