Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 66.1 >
edited by Edwin Chen
on 2022/07/02 23:32
To version < 146.8 >
edited by Xiaoling
on 2022/08/16 14:21
>
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Shield User Manual
Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +
2 +
3 +**Table of Contents:**
4 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
6 6  
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.
10 10  
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.
10 += 1.  LA66 LoRaWAN Shield =
12 12  
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 +(((
13 13  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
38 +)))
14 14  
40 +(((
41 +(((
15 15  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 +)))
16 16  
46 +(((
47 +(((
17 17  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 +)))
50 +)))
18 18  
19 -== Features ==
20 20  
21 21  
22 -== Specification ==
54 +== 1.2  Features ==
23 23  
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
67 +
68 +
69 +
70 +== 1.3  Specification ==
71 +
72 +
73 +* CPU: 32-bit 48 MHz
74 +* Flash: 256KB
75 +* RAM: 64KB
24 24  * Input Power Range: 1.8v ~~ 3.7v
25 25  * Power Consumption: < 4uA.
26 26  * Frequency Range: 150 MHz ~~ 960 MHz
... ... @@ -37,220 +37,250 @@
37 37  * I/O Voltage: 3.3v
38 38  
39 39  
40 -== AT Command ==
41 41  
42 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
93 +== 1.4  Pin Mapping & LED ==
43 43  
44 44  
45 -== Dimension ==
96 +[[image:image-20220814101457-1.png||height="553" width="761"]]
46 46  
47 -[[image:image-20220517072526-1.png]]
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
48 48  
49 49  
50 -== Pin Mapping ==
51 51  
52 -[[image:image-20220523101537-1.png]]
104 +== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
53 53  
54 -== Land Pattern ==
55 55  
56 -[[image:image-20220517072821-2.png]]
107 +**Show connection diagram：**
57 57  
58 58  
59 -== Part Number ==
110 +[[image:image-20220723170210-2.png||height="908" width="681"]]
60 60  
61 -Part Number: **LA66-XXX**
62 62  
63 -**XX**: The default frequency band
64 64  
65 -* **AS923**: LoRaWAN AS923 band
66 -* **AU915**: LoRaWAN AU915 band
67 -* **EU433**: LoRaWAN EU433 band
68 -* **EU868**: LoRaWAN EU868 band
69 -* **KR920**: LoRaWAN KR920 band
70 -* **US915**: LoRaWAN US915 band
71 -* **IN865**: LoRaWAN IN865 band
72 -* **CN470**: LoRaWAN CN470 band
114 +(% style="color:blue" %)**1.  open Arduino IDE**
73 73  
74 -= LA66 LoRaWAN Shield =
75 75  
76 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
117 +[[image:image-20220723170545-4.png]]
77 77  
78 -== Pin Mapping & LED ==
79 79  
80 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
81 81  
82 -== Example: Join TTN network and send an uplink message, get downlink message. ==
121 +(% style="color:blue" %)**2.  Open project**
83 83  
84 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
85 85  
86 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
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]]
87 87  
88 -=== what needs to be used ===
126 +[[image:image-20220726135239-1.png]]
89 89  
90 -1.LA66 LoRaWAN Shield that needs to be upgraded
91 91  
92 -2.Arduino
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**
93 93  
94 -3.USB TO TTL
131 +[[image:image-20220726135356-2.png]]
95 95  
96 -[[image:image-20220602100052-2.png]]
97 97  
98 -=== Wiring Schematic ===
134 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
99 99  
100 -[[image:image-20220602101311-3.png]]
101 101  
102 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
137 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
103 103  
104 -GND  >>>>>>>>>>>>GND
105 105  
106 -TXD  >>>>>>>>>>>>TXD
107 107  
108 -RXD  >>>>>>>>>>>>RXD
141 +== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
109 109  
110 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
111 111  
112 -Connect to the PC after connecting the wires
144 +(% style="color:blue" %)**1.  Open project**
113 113  
114 -[[image:image-20220602102240-4.png]]
115 115  
116 -=== Upgrade steps ===
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]]
117 117  
118 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
119 119  
120 -[[image:image-20220602102824-5.png]]
150 +[[image:image-20220723172502-8.png]]
121 121  
122 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
123 123  
124 -[[image:image-20220602104701-12.png]]
125 125  
126 -==== Open the upgrade application software ====
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**
127 127  
128 -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/]]
129 129  
130 -[[image:image-20220602103227-6.png]]
157 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
131 131  
132 -[[image:image-20220602103357-7.png]]
133 133  
134 -===== Select the COM port corresponding to USB TTL =====
135 135  
136 -[[image:image-20220602103844-8.png]]
161 +== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
137 137  
138 -===== Select the bin file to burn =====
139 139  
140 -[[image:image-20220602104144-9.png]]
164 +(% style="color:blue" %)**1.  Open project**
141 141  
142 -[[image:image-20220602104251-10.png]]
143 143  
144 -[[image:image-20220602104402-11.png]]
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]]
145 145  
146 -===== Click to start the download =====
147 147  
148 -[[image:image-20220602104923-13.png]]
170 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
149 149  
150 -===== The following figure appears to prove that the burning is in progress =====
151 151  
152 -[[image:image-20220602104948-14.png]]
153 153  
154 -===== The following picture appears to prove that the burning is successful =====
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**
155 155  
156 -[[image:image-20220602105251-15.png]]
157 157  
158 -= LA66 USB LoRaWAN Adapter =
177 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
159 159  
160 -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.
161 161  
162 -Before use, please make sure that the computer has installed the CP2102 driver
163 163  
164 -== Pin Mapping & LED ==
181 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
165 165  
166 -== Example Send & Get Messages via LoRaWAN in PC ==
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/]]
167 167  
168 -Connect the LA66 LoRa Shield to the PC
185 +[[image:image-20220723175700-12.png||height="602" width="995"]]
169 169  
170 -[[image:image-20220602171217-1.png||height="615" width="915"]]
171 171  
172 -Open the serial port tool
173 173  
174 -[[image:image-20220602161617-8.png]]
189 +== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
175 175  
176 -[[image:image-20220602161718-9.png||height="529" width="927"]]
177 177  
178 -Press the reset switch RST on the LA66 LoRa Shield.
192 +=== 1.8.1  Items needed for update ===
179 179  
180 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
181 181  
182 -[[image:image-20220602161935-10.png]]
195 +1. LA66 LoRaWAN Shield
196 +1. Arduino
197 +1. USB TO TTL Adapter
183 183  
184 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
199 +[[image:image-20220602100052-2.png||height="385" width="600"]]
185 185  
186 -example: AT+SENDB=01,02,8,05820802581ea0a5
187 187  
188 -[[image:image-20220602162157-11.png]]
189 189  
190 -Check to see if TTN received the message
203 +=== 1.8.2  Connection ===
191 191  
192 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
193 193  
194 -== Example Send & Get Messages via LoRaWAN in RPi ==
206 +[[image:image-20220602101311-3.png||height="276" width="600"]]
195 195  
196 -Connect the LA66 LoRa Shield to the RPI
197 197  
198 -[[image:image-20220602171233-2.png||height="592" width="881"]]
209 +(((
210 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
211 +)))
199 199  
200 -Log in to the RPI's terminal and connect to the serial port
213 +(((
214 +(% style="background-color:yellow" %)**GND  <-> GND
215 +TXD  <->  TXD
216 +RXD  <->  RXD**
217 +)))
201 201  
202 -[[image:image-20220602153146-3.png]]
203 203  
204 -Press the reset switch RST on the LA66 LoRa Shield.
205 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
220 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
206 206  
207 -[[image:image-20220602154928-5.png]]
222 +Connect USB TTL Adapter to PC after connecting the wires
208 208  
209 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
210 210  
211 -example: AT+SENDB=01,02,8,05820802581ea0a5
225 +[[image:image-20220602102240-4.png||height="304" width="600"]]
212 212  
213 -[[image:image-20220602160339-6.png]]
214 214  
215 -Check to see if TTN received the message
216 216  
217 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
229 +=== 1.8.3  Upgrade steps ===
218 218  
219 -=== Install Minicom ===
220 220  
221 -Enter the following command in the RPI terminal
232 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
222 222  
223 -apt update
224 224  
225 -[[image:image-20220602143155-1.png]]
235 +[[image:image-20220602102824-5.png||height="306" width="600"]]
226 226  
227 -apt install minicom
228 228  
229 -[[image:image-20220602143744-2.png]]
230 230  
231 -=== Send PC's CPU/RAM usage to TTN via script. ===
239 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
232 232  
233 -==== Take python as an example： ====
234 234  
235 -===== Preconditions: =====
242 +[[image:image-20220602104701-12.png||height="285" width="600"]]
236 236  
237 -1.LA66 USB LoRaWAN Adapter works fine
238 238  
239 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
240 240  
241 -===== Steps for usage =====
246 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
242 242  
243 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
244 244  
245 -2.Run the script and see the TTN
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 +)))
246 246  
247 -[[image:image-20220602115852-3.png]]
248 248  
254 +[[image:image-20220602103227-6.png]]
249 249  
250 250  
251 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
257 +[[image:image-20220602103357-7.png]]
252 252  
253 253  
254 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
255 255  
256 -
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]]
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