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Last modified by Xiaoling on 2025/02/07 16:37
From version 161.3
edited by Xiaoling
on 2023/09/19 18:00
Change comment: There is no comment for this version
To version 136.1
edited by Herong Lu
on 2022/07/26 13:53
Change comment: Uploaded new attachment "image-20220726135356-2.png", version {1}

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Title
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1 -LA66 USB LoRaWAN Adapter User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Lu
Content
... ... @@ -6,25 +6,34 @@
6 6  
7 7  
8 8  
9 += 1.  LA66 LoRaWAN Module =
9 9  
10 10  
11 -= 1.  LA66 USB LoRaWAN Adapter =
12 +== 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 -== 1.1  Overview ==
14 14  
15 +(((
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 +)))
15 15  
16 -[[image:image-20220715001142-3.png||height="145" width="220"]]
20 +(((
21 +
22 +)))
17 17  
18 -
19 19  (((
20 -(% style="color:blue" %)**LA66 USB LoRaWAN Adapter**(%%) is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
25 +(% 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.
21 21  )))
27 +)))
22 22  
23 23  (((
30 +(((
24 24  (% 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.
25 25  )))
33 +)))
26 26  
27 27  (((
36 +(((
28 28  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
29 29  )))
30 30  
... ... @@ -31,34 +31,38 @@
31 31  (((
32 32  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.
33 33  )))
43 +)))
34 34  
35 35  (((
46 +(((
36 36  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
37 37  )))
49 +)))
38 38  
39 39  
52 +
40 40  == 1.2  Features ==
41 41  
42 -
43 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
44 -* Ultra-long RF range
45 -* Support LoRaWAN v1.0.3 protocol
55 +* Support LoRaWAN v1.0.4 protocol
46 46  * Support peer-to-peer protocol
47 47  * TCXO crystal to ensure RF performance on low temperature
48 -* Spring RF antenna
58 +* SMD Antenna pad and i-pex antenna connector
49 49  * Available in different frequency LoRaWAN frequency bands.
50 50  * World-wide unique OTAA keys.
51 51  * AT Command via UART-TTL interface
52 52  * Firmware upgradable via UART interface
53 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
63 +* Ultra-long RF range
54 54  
55 -== 1.3  Specification ==
56 56  
57 57  
67 +
68 +== 1.3  Specification ==
69 +
58 58  * CPU: 32-bit 48 MHz
59 59  * Flash: 256KB
60 60  * RAM: 64KB
61 -* Input Power Range: 5v
73 +* Input Power Range: 1.8v ~~ 3.7v
74 +* Power Consumption: < 4uA.
62 62  * Frequency Range: 150 MHz ~~ 960 MHz
63 63  * Maximum Power +22 dBm constant RF output
64 64  * High sensitivity: -148 dBm
... ... @@ -70,418 +70,653 @@
70 70  ** Operating: 10 ~~ 95% (Non-Condensing)
71 71  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
72 72  * LoRa Rx current: <9 mA
86 +* I/O Voltage: 3.3v
73 73  
74 74  
75 -== 1.4  Pin Mapping & LED ==
76 76  
77 77  
78 -[[image:image-20220813183239-3.png||height="526" width="662"]]
91 +== 1.4  AT Command ==
79 79  
80 80  
81 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
94 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
82 82  
83 83  
97 +
98 +== 1.5  Dimension ==
99 +
100 +[[image:image-20220718094750-3.png]]
101 +
102 +
103 +
104 +== 1.6  Pin Mapping ==
105 +
106 +[[image:image-20220720111850-1.png]]
107 +
108 +
109 +
110 +== 1.7  Land Pattern ==
111 +
112 +[[image:image-20220517072821-2.png]]
113 +
114 +
115 +
116 += 2.  LA66 LoRaWAN Shield =
117 +
118 +
119 +== 2.1  Overview ==
120 +
121 +
84 84  (((
85 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
123 +[[image:image-20220715000826-2.png||height="145" width="220"]]
124 +)))
86 86  
126 +(((
87 87  
88 88  )))
89 89  
90 -(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN adapter to PC**
130 +(((
131 +(% 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.
132 +)))
91 91  
92 -[[image:image-20220723100027-1.png]]
134 +(((
135 +(((
136 +(% 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.
137 +)))
138 +)))
93 93  
140 +(((
141 +(((
142 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
143 +)))
144 +)))
94 94  
95 -Open the serial port tool
146 +(((
147 +(((
148 +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.
149 +)))
150 +)))
96 96  
97 -[[image:image-20220602161617-8.png]]
152 +(((
153 +(((
154 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
155 +)))
156 +)))
98 98  
99 99  
100 -[[image:image-20220602161718-9.png||height="457" width="800"]]
101 101  
160 +== 2.2  Features ==
102 102  
103 -(% style="color:blue" %)**2.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
162 +* Arduino Shield base on LA66 LoRaWAN module
163 +* Support LoRaWAN v1.0.4 protocol
164 +* Support peer-to-peer protocol
165 +* TCXO crystal to ensure RF performance on low temperature
166 +* SMA connector
167 +* Available in different frequency LoRaWAN frequency bands.
168 +* World-wide unique OTAA keys.
169 +* AT Command via UART-TTL interface
170 +* Firmware upgradable via UART interface
171 +* Ultra-long RF range
104 104  
105 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
106 106  
107 -[[image:image-20220602161935-10.png||height="498" width="800"]]
108 108  
109 109  
110 -(% style="color:blue" %)**3.  See Uplink Command**
176 +== 2.3  Specification ==
111 111  
112 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
178 +* CPU: 32-bit 48 MHz
179 +* Flash: 256KB
180 +* RAM: 64KB
181 +* Input Power Range: 1.8v ~~ 3.7v
182 +* Power Consumption: < 4uA.
183 +* Frequency Range: 150 MHz ~~ 960 MHz
184 +* Maximum Power +22 dBm constant RF output
185 +* High sensitivity: -148 dBm
186 +* Temperature:
187 +** Storage: -55 ~~ +125℃
188 +** Operating: -40 ~~ +85℃
189 +* Humidity:
190 +** Storage: 5 ~~ 95% (Non-Condensing)
191 +** Operating: 10 ~~ 95% (Non-Condensing)
192 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
193 +* LoRa Rx current: <9 mA
194 +* I/O Voltage: 3.3v
113 113  
114 -example: AT+SENDB=01,02,8,05820802581ea0a5
115 115  
116 -[[image:image-20220602162157-11.png||height="497" width="800"]]
117 117  
118 118  
119 -(% style="color:blue" %)**4.  Check to see if TTN received the message**
199 +== 2.4  LED ==
120 120  
121 -[[image:image-20220817093644-1.png]]
122 122  
202 +~1. The LED lights up red when there is an upstream data packet
203 +2. When the network is successfully connected, the green light will be on for 5 seconds
204 +3. Purple light on when receiving downlink data packets
123 123  
124 -== 1.6  Example: How to join helium ==
125 125  
126 126  
127 -(% style="color:blue" %)**1.  Create a new device.**
208 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
128 128  
129 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165500-1.png?width=940&height=464&rev=1.1||alt="image-20220907165500-1.png"]]
130 130  
211 +**Show connection diagram：**
131 131  
132 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
133 133  
134 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165837-2.png?width=809&height=375&rev=1.1||alt="image-20220907165837-2.png" height="375" width="809"]]
214 +[[image:image-20220723170210-2.png||height="908" width="681"]]
135 135  
136 136  
137 -(% style="color:blue" %)**3.  Use AT commands.**
138 138  
139 -[[image:image-20220909151441-1.jpeg||height="695" width="521"]]
218 +(% style="color:blue" %)**1.  open Arduino IDE**
140 140  
141 141  
142 -(% style="color:blue" %)**4.  Use the serial port tool**
221 +[[image:image-20220723170545-4.png]]
143 143  
144 -[[image:image-20220909151517-2.png||height="543" width="708"]]
145 145  
146 146  
147 -(% style="color:blue" %)**5.  Use command AT+CFG to get device configuration**
225 +(% style="color:blue" %)**2.  Open project**
148 148  
149 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170308-3.png?width=617&height=556&rev=1.1||alt="image-20220907170308-3.png" height="556" width="617"]]
150 150  
228 +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]]
151 151  
152 -(% style="color:blue" %)**6.  Network successfully.**
153 153  
154 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170436-4.png?rev=1.1||alt="image-20220907170436-4.png"]]
155 155  
232 +(% 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**
156 156  
157 -(% style="color:blue" %)**7.  Send uplink using command**
158 158  
159 -[[image:image-20220912085244-1.png]]
160 160  
161 -[[image:image-20220912085307-2.png]]
236 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
162 162  
163 163  
164 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170744-6.png?width=798&height=242&rev=1.1||alt="image-20220907170744-6.png" height="242" width="798"]]
239 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
165 165  
166 166  
167 -== 1.7  Example: Send PC's CPU/RAM usage to TTN via python ==
168 168  
243 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
169 169  
170 -**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
171 171  
172 -(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
246 +(% style="color:blue" %)**1.  Open project**
173 173  
174 174  
175 -(% style="color:red" %)**Preconditions:**
249 +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]]
176 176  
177 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
178 178  
179 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
252 +[[image:image-20220723172502-8.png]]
180 180  
181 181  
182 182  
183 -(% style="color:blue" %)**Steps for usage:**
256 +(% 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**
184 184  
185 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
186 186  
187 -(% style="color:blue" %)**2.**(%%) Add [[decoder>>https://github.com/dragino/dragino-end-node-decoder/tree/main/LA66%20USB]] on TTN
259 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
188 188  
189 -(% style="color:blue" %)**3.**(%%) Run the python script in PC and see the TTN
190 190  
191 191  
192 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
263 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
193 193  
194 194  
195 -== 1.8  Example: Send & Get Messages via LoRaWAN in RPi ==
266 +(% style="color:blue" %)**1.  Open project**
196 196  
197 197  
198 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
269 +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]]
199 199  
200 200  
201 -(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
272 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
202 202  
203 -[[image:image-20220723100439-2.png]]
204 204  
205 205  
206 -(% style="color:blue" %)**2.  Install Minicom in RPi.**
276 +(% 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**
207 207  
208 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
209 209  
210 - (% style="background-color:yellow" %)**apt update**
279 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
211 211  
212 - (% style="background-color:yellow" %)**apt install minicom**
213 213  
214 -Use minicom to connect to the RPI's terminal
215 215  
216 -[[image:image-20220602153146-3.png||height="439" width="500"]]
283 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
217 217  
285 +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/]]
218 218  
219 -(% style="color:blue" %)**3.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
287 +[[image:image-20220723175700-12.png||height="602" width="995"]]
220 220  
221 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
222 222  
223 -[[image:image-20220602154928-5.png||height="436" width="500"]]
224 224  
291 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
225 225  
226 -(% style="color:blue" %)**4.  Send Uplink message**
227 227  
228 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
294 +=== 2.8.1  Items needed for update ===
229 229  
230 -example: AT+SENDB=01,02,8,05820802581ea0a5
231 231  
232 -[[image:image-20220602160339-6.png||height="517" width="600"]]
297 +1. LA66 LoRaWAN Shield
298 +1. Arduino
299 +1. USB TO TTL Adapter
233 233  
301 +[[image:image-20220602100052-2.png||height="385" width="600"]]
234 234  
235 235  
236 -Check to see if TTN received the message
304 +=== 2.8.2  Connection ===
237 237  
238 238  
239 -[[image:image-20220602160627-7.png||height="369" width="800"]]
307 +[[image:image-20220602101311-3.png||height="276" width="600"]]
240 240  
241 241  
242 -== 1.9  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
310 +(((
311 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
312 +)))
243 243  
244 -=== 1.9.1  Hardware and Software Connection ===
314 +(((
315 +(% style="background-color:yellow" %)**GND  <-> GND
316 +TXD  <->  TXD
317 +RXD  <->  RXD**
318 +)))
245 245  
246 246  
321 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
247 247  
248 -==== (% style="color:blue" %)**Overview：**(%%) ====
323 +Connect USB TTL Adapter to PC after connecting the wires
249 249  
250 250  
326 +[[image:image-20220602102240-4.png||height="304" width="600"]]
327 +
328 +
329 +=== 2.8.3  Upgrade steps ===
330 +
331 +
332 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
333 +
334 +
335 +[[image:image-20220602102824-5.png||height="306" width="600"]]
336 +
337 +
338 +
339 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
340 +
341 +
342 +[[image:image-20220602104701-12.png||height="285" width="600"]]
343 +
344 +
345 +
346 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
347 +
348 +
251 251  (((
252 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
350 +(% 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/]]**
351 +)))
253 253  
254 -* Send real-time location information of mobile phone to LoRaWAN network.
255 -* Check LoRaWAN network signal strengh.
256 -* Manually send messages to LoRaWAN network.
353 +
354 +[[image:image-20220602103227-6.png]]
355 +
356 +
357 +[[image:image-20220602103357-7.png]]
358 +
359 +
360 +
361 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
362 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
363 +
364 +
365 +[[image:image-20220602103844-8.png]]
366 +
367 +
368 +
369 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
370 +(% style="color:blue" %)**3. Select the bin file to burn**
371 +
372 +
373 +[[image:image-20220602104144-9.png]]
374 +
375 +
376 +[[image:image-20220602104251-10.png]]
377 +
378 +
379 +[[image:image-20220602104402-11.png]]
380 +
381 +
382 +
383 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
384 +(% style="color:blue" %)**4. Click to start the download**
385 +
386 +[[image:image-20220602104923-13.png]]
387 +
388 +
389 +
390 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
391 +(% style="color:blue" %)**5. Check update process**
392 +
393 +
394 +[[image:image-20220602104948-14.png]]
395 +
396 +
397 +
398 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
399 +(% style="color:blue" %)**The following picture shows that the burning is successful**
400 +
401 +[[image:image-20220602105251-15.png]]
402 +
403 +
404 +
405 += 3.  LA66 USB LoRaWAN Adapter =
406 +
407 +
408 +== 3.1  Overview ==
409 +
410 +
411 +[[image:image-20220715001142-3.png||height="145" width="220"]]
412 +
413 +
414 +(((
415 +(% style="color:blue" %)**LA66 USB LoRaWAN Adapter**(%%) is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
257 257  )))
258 258  
418 +(((
419 +(% 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.
420 +)))
259 259  
422 +(((
423 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
424 +)))
260 260  
426 +(((
427 +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.
428 +)))
261 261  
262 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
430 +(((
431 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
432 +)))
263 263  
264 264  
265 -A USB to Type-C adapter is needed to connect to a Mobile phone.
266 266  
267 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
436 +== 3.2  Features ==
268 268  
269 -[[image:image-20220813174353-2.png||height="360" width="313"]]
438 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
439 +* Ultra-long RF range
440 +* Support LoRaWAN v1.0.4 protocol
441 +* Support peer-to-peer protocol
442 +* TCXO crystal to ensure RF performance on low temperature
443 +* Spring RF antenna
444 +* Available in different frequency LoRaWAN frequency bands.
445 +* World-wide unique OTAA keys.
446 +* AT Command via UART-TTL interface
447 +* Firmware upgradable via UART interface
448 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
270 270  
271 271  
451 +== 3.3  Specification ==
272 272  
273 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
453 +* CPU: 32-bit 48 MHz
454 +* Flash: 256KB
455 +* RAM: 64KB
456 +* Input Power Range: 5v
457 +* Frequency Range: 150 MHz ~~ 960 MHz
458 +* Maximum Power +22 dBm constant RF output
459 +* High sensitivity: -148 dBm
460 +* Temperature:
461 +** Storage: -55 ~~ +125℃
462 +** Operating: -40 ~~ +85℃
463 +* Humidity:
464 +** Storage: 5 ~~ 95% (Non-Condensing)
465 +** Operating: 10 ~~ 95% (Non-Condensing)
466 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
467 +* LoRa Rx current: <9 mA
274 274  
275 275  
276 -[[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]].  (Android Version Only)
470 +== 3.4  Pin Mapping & LED ==
277 277  
278 278  
279 -[[image:image-20220813173738-1.png]]
280 280  
474 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
281 281  
282 282  
283 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
477 +(((
478 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
479 +)))
284 284  
285 285  
286 -Function and page introduction
482 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
287 287  
288 288  
289 -[[image:image-20220723113448-7.png||height="995" width="450"]]
485 +[[image:image-20220723100027-1.png]]
290 290  
291 291  
292 -(% style="color:blue" %)**Block Explain:**
488 +Open the serial port tool
293 293  
294 -1.  Display LA66 USB LoRaWAN Module connection status
490 +[[image:image-20220602161617-8.png]]
295 295  
296 -2.  Check and reconnect
492 +[[image:image-20220602161718-9.png||height="457" width="800"]]
297 297  
298 -3.  Turn send timestamps on or off
299 299  
300 -4.  Display LoRaWan connection status
301 301  
302 -5.  Check LoRaWan connection status
496 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
303 303  
304 -6.  The RSSI value of the node when the ACK is received
498 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
305 305  
306 -7.  Node's Signal Strength Icon
307 307  
308 -8.  Configure Location Uplink Interval
501 +[[image:image-20220602161935-10.png||height="498" width="800"]]
309 309  
310 -9.  AT command input box
311 311  
312 -10.  Send Button:  Send input box info to LA66 USB Adapter
313 313  
314 -11.  Output Log from LA66 USB adapter
505 +(% style="color:blue" %)**3. See Uplink Command**
315 315  
316 -12.  clear log button
507 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
317 317  
318 -13.  exit button
509 +example: AT+SENDB=01,02,8,05820802581ea0a5
319 319  
511 +[[image:image-20220602162157-11.png||height="497" width="800"]]
320 320  
321 321  
322 -LA66 USB LoRaWAN Module not connected
323 323  
515 +(% style="color:blue" %)**4. Check to see if TTN received the message**
324 324  
325 -[[image:image-20220723110520-5.png||height="677" width="508"]]
517 +[[image:image-20220602162331-12.png||height="420" width="800"]]
326 326  
327 327  
328 328  
329 -Connect LA66 USB LoRaWAN Module
521 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
330 330  
331 331  
332 -[[image:image-20220723110626-6.png||height="681" width="511"]]
524 +**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
333 333  
526 +(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
334 334  
335 -=== 1.9.2  Send data to TTNv3 and plot location info in Node-Red ===
528 +(% style="color:red" %)**Preconditions:**
336 336  
530 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
337 337  
338 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
532 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
339 339  
340 340  
341 -[[image:image-20220723134549-8.png]]
342 342  
536 +(% style="color:blue" %)**Steps for usage:**
343 343  
538 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
344 344  
345 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
540 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
346 346  
542 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
347 347  
348 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
349 349  
350 -For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
351 351  
352 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
546 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
353 353  
354 -LA66~-~-node-red~-~-decoder:[[dragino-end-node-decoder/Node-RED at main · dragino/dragino-end-node-decoder · GitHub>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED]]
355 355  
549 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
356 356  
357 -Example output in NodeRed is as below:
358 358  
359 -[[image:image-20220723144339-1.png]]
552 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
360 360  
554 +[[image:image-20220723100439-2.png]]
361 361  
362 -== 1.10  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
363 363  
364 364  
365 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
558 +(% style="color:blue" %)**2. Install Minicom in RPi.**
366 366  
367 -Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect).
560 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
368 368  
369 -(% style="color:red" %)**Notice: If upgrade via USB hub is not sucessful. try to connect to PC directly.**
562 + (% style="background-color:yellow" %)**apt update**
370 370  
371 -[[image:image-20220723150132-2.png]]
564 + (% style="background-color:yellow" %)**apt install minicom**
372 372  
373 373  
567 +Use minicom to connect to the RPI's terminal
374 374  
375 -=== (% style="color:blue" %)**Open the Upgrade tool (Tremo Programmer) in PC and Upgrade** (%%) ===
569 +[[image:image-20220602153146-3.png||height="439" width="500"]]
376 376  
377 377  
378 -**1.  Software download link:  [[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
379 379  
380 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103227-6.png?rev=1.1||alt="image-20220602103227-6.png"]]
573 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
381 381  
382 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103357-7.png?rev=1.1||alt="image-20220602103357-7.png"]]
575 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
383 383  
384 384  
385 -**2.  Select the COM port corresponding to USB TTL**
578 +[[image:image-20220602154928-5.png||height="436" width="500"]]
386 386  
387 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103844-8.png?rev=1.1||alt="image-20220602103844-8.png"]]
388 388  
389 389  
390 -**3.  Select the bin file to burn**
582 +(% style="color:blue" %)**4. Send Uplink message**
391 391  
392 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104144-9.png?rev=1.1||alt="image-20220602104144-9.png"]]
584 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
393 393  
394 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104251-10.png?rev=1.1||alt="image-20220602104251-10.png"]]
586 +example: AT+SENDB=01,02,8,05820802581ea0a5
395 395  
396 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104402-11.png?rev=1.1||alt="image-20220602104402-11.png"]]
397 397  
589 +[[image:image-20220602160339-6.png||height="517" width="600"]]
398 398  
399 -**4.  Click to start the download**
400 400  
401 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104923-13.png?rev=1.1||alt="image-20220602104923-13.png"]]
402 402  
593 +Check to see if TTN received the message
403 403  
404 -**5.  Check update process**
595 +[[image:image-20220602160627-7.png||height="369" width="800"]]
405 405  
406 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104948-14.png?rev=1.1||alt="image-20220602104948-14.png"]]
407 407  
408 408  
409 -**The following picture shows that the burning is successful**
599 +== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
410 410  
411 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602105251-15.png?rev=1.1||alt="image-20220602105251-15.png"]]
412 412  
602 +=== 3.8.1  DRAGINO-LA66-APP ===
413 413  
414 -= 2.  FAQ =
415 415  
416 -== 2.1  How to Compile Source Code for LA66? ==
605 +[[image:image-20220723102027-3.png]]
417 417  
418 418  
419 -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]]
420 420  
609 +==== (% style="color:blue" %)**Overview：**(%%) ====
421 421  
422 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
423 423  
612 +(((
613 +DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter.
614 +)))
424 424  
425 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
616 +(((
617 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
618 +)))
426 426  
427 427  
428 -== 2.3 My device keeps showing invalid credentials, the device goes into low power mode ==
429 429  
622 +==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
430 430  
431 -Set the AT+COMMAND: (% style="color:blue" %)**AT+UUID=666666666666**
432 432  
625 +Requires a type-c to USB adapter
433 433  
434 -= 3.  Order Info =
627 +[[image:image-20220723104754-4.png]]
435 435  
436 436  
437 -**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
438 438  
631 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
439 439  
440 -(% style="color:blue" %)**XXX**(%%): The default frequency band
441 441  
442 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
443 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
444 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
445 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
446 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
447 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
448 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
449 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
450 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
634 +Function and page introduction
451 451  
636 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
452 452  
453 -= 4.  Reference =
454 454  
639 +1.Display LA66 USB LoRaWAN Module connection status
455 455  
456 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
457 -* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
641 +2.Check and reconnect
458 458  
643 +3.Turn send timestamps on or off
459 459  
460 -= 5.  FCC Statement =
645 +4.Display LoRaWan connection status
461 461  
647 +5.Check LoRaWan connection status
462 462  
463 -(% style="color:red" %)**FCC Caution:**
649 +6.The RSSI value of the node when the ACK is received
464 464  
465 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
651 +7.Node's Signal Strength Icon
466 466  
467 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
653 +8.Set the packet sending interval of the node in seconds
468 468  
655 +9.AT command input box
469 469  
470 -(% style="color:red" %)**IMPORTANT NOTE: **
657 +10.Send AT command button
471 471  
472 -(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
659 +11.Node log box
473 473  
474 -—Reorient or relocate the receiving antenna.
661 +12.clear log button
475 475  
476 -—Increase the separation between the equipment and receiver.
663 +13.exit button
477 477  
478 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
479 479  
480 -—Consult the dealer or an experienced radio/TV technician for help.
666 +LA66 USB LoRaWAN Module not connected
481 481  
668 +[[image:image-20220723110520-5.png||height="903" width="677"]]
482 482  
483 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
484 484  
485 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
486 486  
487 -
672 +Connect LA66 USB LoRaWAN Module
673 +
674 +[[image:image-20220723110626-6.png||height="906" width="680"]]
675 +
676 +
677 +
678 +=== 3.8.2  Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
679 +
680 +
681 +(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
682 +
683 +[[image:image-20220723134549-8.png]]
684 +
685 +
686 +
687 +(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
688 +
689 +Sample JSON file please go to this link to download：放置JSON文件的链接
690 +
691 +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/]]
692 +
693 +The following is the positioning effect map
694 +
695 +[[image:image-20220723144339-1.png]]
696 +
697 +
698 +
699 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
700 +
701 +
702 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
703 +
704 +Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
705 +
706 +[[image:image-20220723150132-2.png]]
707 +
708 +
709 +
710 += 4.  Order Info =
711 +
712 +
713 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
714 +
715 +
716 +(% style="color:blue" %)**XXX**(%%): The default frequency band
717 +
718 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
719 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
720 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
721 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
722 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
723 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
724 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
725 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
726 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
727 +
728 +
729 +
730 +
731 +
732 += 5.  Reference =
733 +
734 +
735 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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