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 < 69.1 >
edited by Edwin Chen
on 2022/07/02 23:51
>
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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 +(% 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 58  * 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
... ... @@ -66,10 +66,8 @@
66 66  * Ultra-long RF range
67 67  
68 68  
33 +== Specification ==
69 69  
70 -== 1.3  Specification ==
71 -
72 -
73 73  * CPU: 32-bit 48 MHz
74 74  * Flash: 256KB
75 75  * RAM: 64KB
... ... @@ -88,251 +88,221 @@
88 88  * LoRa Rx current: <9 mA
89 89  * I/O Voltage: 3.3v
90 90  
53 +== AT Command ==
91 91  
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 -== 1.4  Pin Mapping & LED ==
94 94  
58 +== Dimension ==
95 95  
96 -[[image:image-20220814101457-1.png||height="553" width="761"]]
60 +[[image:image-20220517072526-1.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  
63 +== Pin Mapping ==
102 102  
65 +[[image:image-20220523101537-1.png]]
103 103  
104 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
67 +== Land Pattern ==
105 105  
69 +[[image:image-20220517072821-2.png]]
106 106  
107 -**Show connection diagram：**
108 108  
72 +== Part Number ==
109 109  
110 -[[image:image-20220723170210-2.png||height="908" width="681"]]
74 +Part Number: **LA66-XXX**
111 111  
76 +**XX**: The default frequency band
112 112  
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
113 113  
114 -(% style="color:blue" %)**1.  open Arduino IDE**
88 += LA66 LoRaWAN Shield =
115 115  
90 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
116 116  
117 -[[image:image-20220723170545-4.png]]
92 +== Pin Mapping & LED ==
118 118  
94 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
119 119  
96 +== Example: Join TTN network and send an uplink message, get downlink message. ==
120 120  
121 -(% style="color:blue" %)**2.  Open project**
98 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
122 122  
100 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
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]]
102 +=== what needs to be used ===
125 125  
126 -[[image:image-20220726135239-1.png]]
104 +1.LA66 LoRaWAN Shield that needs to be upgraded
127 127  
106 +2.Arduino
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**
108 +3.USB TO TTL
130 130  
131 -[[image:image-20220726135356-2.png]]
110 +[[image:image-20220602100052-2.png]]
132 132  
112 +=== Wiring Schematic ===
133 133  
134 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
114 +[[image:image-20220602101311-3.png]]
135 135  
116 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
136 136  
137 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
118 +GND  >>>>>>>>>>>>GND
138 138  
120 +TXD  >>>>>>>>>>>>TXD
139 139  
122 +RXD  >>>>>>>>>>>>RXD
140 140  
141 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
124 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
142 142  
126 +Connect to the PC after connecting the wires
143 143  
144 -(% style="color:blue" %)**1.  Open project**
128 +[[image:image-20220602102240-4.png]]
145 145  
130 +=== Upgrade steps ===
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]]
132 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
148 148  
134 +[[image:image-20220602102824-5.png]]
149 149  
150 -[[image:image-20220723172502-8.png]]
136 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
151 151  
138 +[[image:image-20220602104701-12.png]]
152 152  
140 +==== Open the upgrade application software ====
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**
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/]]
155 155  
144 +[[image:image-20220602103227-6.png]]
156 156  
157 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
146 +[[image:image-20220602103357-7.png]]
158 158  
148 +===== Select the COM port corresponding to USB TTL =====
159 159  
150 +[[image:image-20220602103844-8.png]]
160 160  
161 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
152 +===== Select the bin file to burn =====
162 162  
154 +[[image:image-20220602104144-9.png]]
163 163  
164 -(% style="color:blue" %)**1.  Open project**
156 +[[image:image-20220602104251-10.png]]
165 165  
158 +[[image:image-20220602104402-11.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]]
160 +===== Click to start the download =====
168 168  
162 +[[image:image-20220602104923-13.png]]
169 169  
170 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
164 +===== The following figure appears to prove that the burning is in progress =====
171 171  
166 +[[image:image-20220602104948-14.png]]
172 172  
168 +===== The following picture appears to prove that the burning is successful =====
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**
170 +[[image:image-20220602105251-15.png]]
175 175  
172 += LA66 USB LoRaWAN Adapter =
176 176  
177 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
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.
178 178  
176 +Before use, please make sure that the computer has installed the CP2102 driver
179 179  
178 +== Pin Mapping & LED ==
180 180  
181 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
180 +== Example Send & Get Messages via LoRaWAN in PC ==
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/]]
182 +Connect the LA66 LoRa Shield to the PC
184 184  
185 -[[image:image-20220723175700-12.png||height="602" width="995"]]
184 +[[image:image-20220602171217-1.png||height="615" width="915"]]
186 186  
186 +Open the serial port tool
187 187  
188 +[[image:image-20220602161617-8.png]]
188 188  
189 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
190 +[[image:image-20220602161718-9.png||height="529" width="927"]]
190 190  
192 +Press the reset switch RST on the LA66 LoRa Shield.
191 191  
192 -=== 1.8.1  Items needed for update ===
194 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
193 193  
196 +[[image:image-20220602161935-10.png]]
194 194  
195 -1. LA66 LoRaWAN Shield
196 -1. Arduino
197 -1. USB TO TTL Adapter
198 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
198 198  
199 -[[image:image-20220602100052-2.png||height="385" width="600"]]
200 +example: AT+SENDB=01,02,8,05820802581ea0a5
200 200  
202 +[[image:image-20220602162157-11.png]]
201 201  
204 +Check to see if TTN received the message
202 202  
203 -=== 1.8.2  Connection ===
206 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
204 204  
208 +== Example Send & Get Messages via LoRaWAN in RPi ==
205 205  
206 -[[image:image-20220602101311-3.png||height="276" width="600"]]
210 +Connect the LA66 LoRa Shield to the RPI
207 207  
212 +[[image:image-20220602171233-2.png||height="592" width="881"]]
208 208  
209 -(((
210 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
211 -)))
214 +Log in to the RPI's terminal and connect to the serial port
212 212  
213 -(((
214 -(% style="background-color:yellow" %)**GND  <-> GND
215 -TXD  <->  TXD
216 -RXD  <->  RXD**
217 -)))
216 +[[image:image-20220602153146-3.png]]
218 218  
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
219 219  
220 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
221 +[[image:image-20220602154928-5.png]]
221 221  
222 -Connect USB TTL Adapter to PC after connecting the wires
223 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
223 223  
225 +example: AT+SENDB=01,02,8,05820802581ea0a5
224 224  
225 -[[image:image-20220602102240-4.png||height="304" width="600"]]
227 +[[image:image-20220602160339-6.png]]
226 226  
229 +Check to see if TTN received the message
227 227  
231 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
228 228  
229 -=== 1.8.3  Upgrade steps ===
233 +=== Install Minicom ===
230 230  
235 +Enter the following command in the RPI terminal
231 231  
232 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
237 +apt update
233 233  
239 +[[image:image-20220602143155-1.png]]
234 234  
235 -[[image:image-20220602102824-5.png||height="306" width="600"]]
241 +apt install minicom
236 236  
243 +[[image:image-20220602143744-2.png]]
237 237  
245 +=== Send PC's CPU/RAM usage to TTN via script. ===
238 238  
239 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
247 +==== Take python as an example： ====
240 240  
249 +===== Preconditions: =====
241 241  
242 -[[image:image-20220602104701-12.png||height="285" width="600"]]
251 +1.LA66 USB LoRaWAN Adapter works fine
243 243  
253 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
244 244  
255 +===== Steps for usage =====
245 245  
246 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
257 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
247 247  
259 +2.Run the script and see the TTN
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 -)))
261 +[[image:image-20220602115852-3.png]]
252 252  
253 253  
254 -[[image:image-20220602103227-6.png]]
255 255  
265 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
256 256  
257 -[[image:image-20220602103357-7.png]]
258 258  
268 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
259 259  
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]]
270 +
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