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Last modified by Xiaoling on 2023/05/26 14:19
From version 151.1
edited by Edwin Chen
on 2022/08/20 11:23
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To version 69.1
edited by Edwin Chen
on 2022/07/02 23:51
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
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 +(% 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.
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
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.
11 11  
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 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
39 39  
40 -(((
41 -(((
42 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 -)))
45 45  
46 -(((
47 -(((
48 48  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
51 51  
52 52  
20 +== Features ==
53 53  
54 -== 1.2  Features ==
55 -
56 -
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
22 +* Support LoRaWAN v1.0.4 protocol
59 59  * Support peer-to-peer protocol
60 60  * TCXO crystal to ensure RF performance on low temperature
61 -* SMA connector
25 +* SMD Antenna pad and i-pex antenna connector
62 62  * Available in different frequency LoRaWAN frequency bands.
63 63  * World-wide unique OTAA keys.
64 64  * AT Command via UART-TTL interface
... ... @@ -66,9 +66,8 @@
66 66  * Ultra-long RF range
67 67  
68 68  
69 -== 1.3  Specification ==
33 +== Specification ==
70 70  
71 -
72 72  * CPU: 32-bit 48 MHz
73 73  * Flash: 256KB
74 74  * RAM: 64KB
... ... @@ -87,261 +87,221 @@
87 87  * LoRa Rx current: <9 mA
88 88  * I/O Voltage: 3.3v
89 89  
53 +== AT Command ==
90 90  
91 -== 1.4  Pin Mapping & LED ==
55 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
92 92  
93 93  
94 -[[image:image-20220817085048-1.png||height="533" width="734"]]
58 +== Dimension ==
95 95  
60 +[[image:image-20220517072526-1.png]]
96 96  
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
63 +== Pin Mapping ==
101 101  
65 +[[image:image-20220523101537-1.png]]
102 102  
103 -[[image:image-20220820112305-1.png||height="515" width="749"]]
67 +== Land Pattern ==
104 104  
69 +[[image:image-20220517072821-2.png]]
105 105  
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
72 +== Part Number ==
108 108  
74 +Part Number: **LA66-XXX**
109 109  
110 -**Show connection diagram：**
76 +**XX**: The default frequency band
111 111  
78 +* **AS923**: LoRaWAN AS923 band
79 +* **AU915**: LoRaWAN AU915 band
80 +* **EU433**: LoRaWAN EU433 band
81 +* **EU868**: LoRaWAN EU868 band
82 +* **KR920**: LoRaWAN KR920 band
83 +* **US915**: LoRaWAN US915 band
84 +* **IN865**: LoRaWAN IN865 band
85 +* **CN470**: LoRaWAN CN470 band
86 +* **PP**: Peer to Peer LoRa Protocol
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
88 += LA66 LoRaWAN Shield =
114 114  
90 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
115 115  
92 +== Pin Mapping & LED ==
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
94 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
118 118  
96 +== Example: Join TTN network and send an uplink message, get downlink message. ==
119 119  
120 -[[image:image-20220723170545-4.png]]
98 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
121 121  
100 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
122 122  
102 +=== what needs to be used ===
123 123  
124 -(% style="color:blue" %)**2.  Open project**
104 +1.LA66 LoRaWAN Shield that needs to be upgraded
125 125  
106 +2.Arduino
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]]
108 +3.USB TO TTL
128 128  
129 -[[image:image-20220726135239-1.png]]
110 +[[image:image-20220602100052-2.png]]
130 130  
112 +=== Wiring Schematic ===
131 131  
114 +[[image:image-20220602101311-3.png]]
132 132  
133 -(% 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**
116 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
134 134  
135 -[[image:image-20220726135356-2.png]]
118 +GND  >>>>>>>>>>>>GND
136 136  
120 +TXD  >>>>>>>>>>>>TXD
137 137  
122 +RXD  >>>>>>>>>>>>RXD
138 138  
139 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
124 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
140 140  
126 +Connect to the PC after connecting the wires
141 141  
142 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
128 +[[image:image-20220602102240-4.png]]
143 143  
130 +=== Upgrade steps ===
144 144  
132 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
145 145  
146 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
134 +[[image:image-20220602102824-5.png]]
147 147  
136 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
148 148  
149 -(% style="color:blue" %)**1.  Open project**
138 +[[image:image-20220602104701-12.png]]
150 150  
140 +==== Open the upgrade application software ====
151 151  
152 -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]]
142 +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/]]
153 153  
144 +[[image:image-20220602103227-6.png]]
154 154  
155 -[[image:image-20220723172502-8.png]]
146 +[[image:image-20220602103357-7.png]]
156 156  
148 +===== Select the COM port corresponding to USB TTL =====
157 157  
150 +[[image:image-20220602103844-8.png]]
158 158  
159 -(% 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**
152 +===== Select the bin file to burn =====
160 160  
154 +[[image:image-20220602104144-9.png]]
161 161  
162 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
156 +[[image:image-20220602104251-10.png]]
163 163  
158 +[[image:image-20220602104402-11.png]]
164 164  
160 +===== Click to start the download =====
165 165  
166 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
162 +[[image:image-20220602104923-13.png]]
167 167  
164 +===== The following figure appears to prove that the burning is in progress =====
168 168  
169 -(% style="color:blue" %)**1.  Open project**
166 +[[image:image-20220602104948-14.png]]
170 170  
168 +===== The following picture appears to prove that the burning is successful =====
171 171  
172 -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]]
170 +[[image:image-20220602105251-15.png]]
173 173  
172 += LA66 USB LoRaWAN Adapter =
174 174  
175 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
174 +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.
176 176  
176 +Before use, please make sure that the computer has installed the CP2102 driver
177 177  
178 +== Pin Mapping & LED ==
178 178  
179 -(% 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**
180 +== Example Send & Get Messages via LoRaWAN in PC ==
180 180  
182 +Connect the LA66 LoRa Shield to the PC
181 181  
182 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
184 +[[image:image-20220602171217-1.png||height="615" width="915"]]
183 183  
186 +Open the serial port tool
184 184  
188 +[[image:image-20220602161617-8.png]]
185 185  
186 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
190 +[[image:image-20220602161718-9.png||height="529" width="927"]]
187 187  
188 -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/]]
192 +Press the reset switch RST on the LA66 LoRa Shield.
189 189  
190 -[[image:image-20220723175700-12.png||height="602" width="995"]]
194 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
191 191  
196 +[[image:image-20220602161935-10.png]]
192 192  
198 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
193 193  
194 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
200 +example: AT+SENDB=01,02,8,05820802581ea0a5
195 195  
202 +[[image:image-20220602162157-11.png]]
196 196  
197 -=== 1.8.1  Items needed for update ===
204 +Check to see if TTN received the message
198 198  
206 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
199 199  
200 -1. LA66 LoRaWAN Shield
201 -1. Arduino
202 -1. USB TO TTL Adapter
208 +== Example Send & Get Messages via LoRaWAN in RPi ==
203 203  
204 -[[image:image-20220602100052-2.png||height="385" width="600"]]
210 +Connect the LA66 LoRa Shield to the RPI
205 205  
212 +[[image:image-20220602171233-2.png||height="592" width="881"]]
206 206  
214 +Log in to the RPI's terminal and connect to the serial port
207 207  
208 -=== 1.8.2  Connection ===
216 +[[image:image-20220602153146-3.png]]
209 209  
218 +Press the reset switch RST on the LA66 LoRa Shield.
219 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
210 210  
211 -[[image:image-20220602101311-3.png||height="276" width="600"]]
221 +[[image:image-20220602154928-5.png]]
212 212  
223 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
213 213  
214 -(((
215 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
216 -)))
225 +example: AT+SENDB=01,02,8,05820802581ea0a5
217 217  
218 -(((
219 -(% style="background-color:yellow" %)**GND  <-> GND
220 -TXD  <->  TXD
221 -RXD  <->  RXD**
222 -)))
227 +[[image:image-20220602160339-6.png]]
223 223  
229 +Check to see if TTN received the message
224 224  
225 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
231 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
226 226  
227 -Connect USB TTL Adapter to PC after connecting the wires
233 +=== Install Minicom ===
228 228  
235 +Enter the following command in the RPI terminal
229 229  
230 -[[image:image-20220602102240-4.png||height="304" width="600"]]
237 +apt update
231 231  
239 +[[image:image-20220602143155-1.png]]
232 232  
241 +apt install minicom
233 233  
234 -=== 1.8.3  Upgrade steps ===
243 +[[image:image-20220602143744-2.png]]
235 235  
245 +=== Send PC's CPU/RAM usage to TTN via script. ===
236 236  
247 +==== Take python as an example： ====
237 237  
238 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
249 +===== Preconditions: =====
239 239  
251 +1.LA66 USB LoRaWAN Adapter works fine
240 240  
241 -[[image:image-20220602102824-5.png||height="306" width="600"]]
253 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
242 242  
255 +===== Steps for usage =====
243 243  
257 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
244 244  
245 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
259 +2.Run the script and see the TTN
246 246  
261 +[[image:image-20220602115852-3.png]]
247 247  
248 -[[image:image-20220817085447-1.png]]
249 249  
250 250  
265 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
251 251  
252 252  
253 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
268 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
254 254  
255 -
256 -(((
257 -(% 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/]]**
258 -)))
259 -
260 -
261 -[[image:image-20220602103227-6.png]]
262 -
263 -
264 -[[image:image-20220602103357-7.png]]
265 -
266 -
267 -
268 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
269 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
270 -
271 -
272 -[[image:image-20220602103844-8.png]]
273 -
274 -
275 -
276 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
277 -(% style="color:blue" %)**3. Select the bin file to burn**
278 -
279 -
280 -[[image:image-20220602104144-9.png]]
281 -
282 -
283 -[[image:image-20220602104251-10.png]]
284 -
285 -
286 -[[image:image-20220602104402-11.png]]
287 -
288 -
289 -
290 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
291 -(% style="color:blue" %)**4. Click to start the download**
292 -
293 -[[image:image-20220602104923-13.png]]
294 -
295 -
296 -
297 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
298 -(% style="color:blue" %)**5. Check update process**
299 -
300 -
301 -[[image:image-20220602104948-14.png]]
302 -
303 -
304 -
305 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
306 -(% style="color:blue" %)**The following picture shows that the burning is successful**
307 -
308 -[[image:image-20220602105251-15.png]]
309 -
310 -
311 -
312 -= 2.  FAQ =
313 -
314 -
315 -== 2.1  How to Compile Source Code for LA66? ==
316 -
317 -
318 -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]]
319 -
320 -
321 -
322 -= 3.  Order Info =
323 -
324 -
325 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
326 -
327 -
328 -(% style="color:blue" %)**XXX**(%%): The default frequency band
329 -
330 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
331 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
332 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
333 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
334 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
335 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
336 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
337 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
338 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
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 -
347 347  
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