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Last modified by Xiaoling on 2025/02/07 16:37
From version 64.1
edited by Edwin Chen
on 2022/07/02 21:03
Change comment: There is no comment for this version
To version 169.3
edited by Xiaoling
on 2024/01/22 09:54
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 USB LoRaWAN Adapter 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 -**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 -**LA66 **is a ready-to-use module that includes the LoRaWAN v1.0.4 protocol. The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk for developers to make a LoRaWAN End device. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
12 12  
11 += 1.  LA66 USB LoRaWAN Adapter =
13 13  
14 -LA66 is equipped with **TCXO crystal** which ensures the module can achieve the stable performance in extreme temperatures.
13 +== 1.1  Overview ==
15 15  
16 16  
17 -**Each LA66 **module includes a world-unique OTAA key for LoRaWAN registration.
16 +[[image:image-20220715001142-3.png||height="194" width="294"]][[image:image-20240101111030-2.png]]
18 18  
19 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.
21 +)))
20 20  
21 -== Specification ==
23 +(((
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 +)))
22 22  
23 -[[image:image-20220517072526-1.png]]
27 +(((
28 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
29 +)))
24 24  
25 -Input Power Range: 1.8v ~~ 3.7v
31 +(((
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 +)))
26 26  
27 -Power Consumption: < 4uA.
35 +(((
36 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
37 +)))
28 28  
29 -Frequency Range: 150 MHz ~~ 960 MHz
30 30  
31 -Maximum Power +22 dBm constant RF output
40 +== 1.2  Features ==
32 32  
33 -High sensitivity: -148 dBm
34 34  
35 -Temperature:
43 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
44 +* Ultra-long RF range
45 +* Support LoRaWAN v1.0.3 protocol
46 +* Support peer-to-peer protocol
47 +* TCXO crystal to ensure RF performance on low temperature
48 +* Spring RF antenna
49 +* Available in different frequency LoRaWAN frequency bands.
50 +* World-wide unique OTAA keys.
51 +* AT Command via UART-TTL interface
52 +* Firmware upgradable via UART interface
53 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
36 36  
37 -* Storage: -55 ~~ +125℃
38 -* Operating: -40 ~~ +85℃
55 +== 1.3  Specification ==
39 39  
40 -Humidity:
41 41  
42 -* Storage: 5 ~~ 95% (Non-Condensing)
43 -* Operating: 10 ~~ 95% (Non-Condensing)
58 +* CPU: 32-bit 48 MHz
59 +* Flash: 256KB
60 +* RAM: 64KB
61 +* Input Power Range: 5v
62 +* Frequency Range: 150 MHz ~~ 960 MHz
63 +* Maximum Power +22 dBm constant RF output
64 +* High sensitivity: -148 dBm
65 +* Temperature:
66 +** Storage: -55 ~~ +125℃
67 +** Operating: -40 ~~ +85℃
68 +* Humidity:
69 +** Storage: 5 ~~ 95% (Non-Condensing)
70 +** Operating: 10 ~~ 95% (Non-Condensing)
71 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
72 +* LoRa Rx current: <9 mA
44 44  
45 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
74 +== 1.4  Pin Mapping & LED ==
46 46  
47 -LoRa Rx current: <9 mA
48 48  
49 -I/O Voltage: 3.3v
77 +[[image:image-20220813183239-3.png||height="526" width="662"]]
50 50  
51 51  
52 -== AT Command ==
80 +== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
53 53  
54 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
55 55  
83 +(((
84 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
85 +)))
56 56  
57 -== Pin Mapping ==
87 +(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN adapter to PC**
58 58  
59 -[[image:image-20220523101537-1.png]]
89 +[[image:image-20220723100027-1.png]]
60 60  
61 -== Land Pattern ==
62 62  
63 -[[image:image-20220517072821-2.png]]
92 +Open the serial port tool
64 64  
94 +[[image:image-20220602161617-8.png]]
65 65  
66 -== Part Number ==
67 67  
68 -Part Number: **LA66-XXX**
97 +[[image:image-20220602161718-9.png||height="457" width="800"]]
69 69  
70 -**XX**: The default frequency band
71 71  
72 -* **AS923**: LoRaWAN AS923 band
73 -* **AU915**: LoRaWAN AU915 band
74 -* **EU433**: LoRaWAN EU433 band
75 -* **EU868**: LoRaWAN EU868 band
76 -* **KR920**: LoRaWAN KR920 band
77 -* **US915**: LoRaWAN US915 band
78 -* **IN865**: LoRaWAN IN865 band
79 -* **CN470**: LoRaWAN CN470 band
100 +(% style="color:blue" %)**2.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
80 80  
81 -= LA66 LoRaWAN Shield =
102 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
82 82  
83 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
104 +[[image:image-20220602161935-10.png||height="498" width="800"]]
84 84  
85 -== Pin Mapping & LED ==
86 86  
87 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
107 +(% style="color:blue" %)**3.  See Uplink Command**
88 88  
89 -== Example: Join TTN network and send an uplink message, get downlink message. ==
109 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
90 90  
91 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
111 +example: AT+SENDB=01,02,8,05820802581ea0a5
92 92  
93 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
113 +[[image:image-20220602162157-11.png||height="497" width="800"]]
94 94  
95 -=== what needs to be used ===
96 96  
97 -1.LA66 LoRaWAN Shield that needs to be upgraded
116 +(% style="color:blue" %)**4.  Check to see if TTN received the message**
98 98  
99 -2.Arduino
118 +[[image:image-20220817093644-1.png]]
100 100  
101 -3.USB TO TTL
102 102  
103 -[[image:image-20220602100052-2.png]]
121 +== 1.6  Example: How to join helium ==
104 104  
105 -=== Wiring Schematic ===
106 106  
107 -[[image:image-20220602101311-3.png]]
124 +(% style="color:blue" %)**1.  Create a new device.**
108 108  
109 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
126 +[[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"]]
110 110  
111 -GND  >>>>>>>>>>>>GND
112 112  
113 -TXD  >>>>>>>>>>>>TXD
129 +(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
114 114  
115 -RXD  >>>>>>>>>>>>RXD
131 +[[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"]]
116 116  
117 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
118 118  
119 -Connect to the PC after connecting the wires
134 +(% style="color:blue" %)**3.  Use AT commands.**
120 120  
121 -[[image:image-20220602102240-4.png]]
136 +[[image:image-20220909151441-1.jpeg||height="695" width="521"]]
122 122  
123 -=== Upgrade steps ===
124 124  
125 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
139 +(% style="color:blue" %)**4.  Use the serial port tool**
126 126  
127 -[[image:image-20220602102824-5.png]]
141 +[[image:image-20220909151517-2.png||height="543" width="708"]]
128 128  
129 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
130 130  
131 -[[image:image-20220602104701-12.png]]
144 +(% style="color:blue" %)**5.  Use command AT+CFG to get device configuration**
132 132  
133 -==== Open the upgrade application software ====
146 +[[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"]]
134 134  
135 -Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]
136 136  
137 -[[image:image-20220602103227-6.png]]
149 +(% style="color:blue" %)**6.  Network successfully.**
138 138  
139 -[[image:image-20220602103357-7.png]]
151 +[[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"]]
140 140  
141 -===== Select the COM port corresponding to USB TTL =====
142 142  
143 -[[image:image-20220602103844-8.png]]
154 +(% style="color:blue" %)**7.  Send uplink using command**
144 144  
145 -===== Select the bin file to burn =====
156 +[[image:image-20220912085244-1.png]]
146 146  
147 -[[image:image-20220602104144-9.png]]
158 +[[image:image-20220912085307-2.png]]
148 148  
149 -[[image:image-20220602104251-10.png]]
150 150  
151 -[[image:image-20220602104402-11.png]]
161 +[[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"]]
152 152  
153 -===== Click to start the download =====
154 154  
155 -[[image:image-20220602104923-13.png]]
164 +== 1.7  Example: Send PC's CPU/RAM usage to TTN via python ==
156 156  
157 -===== The following figure appears to prove that the burning is in progress =====
158 158  
159 -[[image:image-20220602104948-14.png]]
167 +**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]]
160 160  
161 -===== The following picture appears to prove that the burning is successful =====
169 +(**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]])
162 162  
163 -[[image:image-20220602105251-15.png]]
164 164  
165 -= LA66 USB LoRaWAN Adapter =
172 +(% style="color:red" %)**Preconditions:**
166 166  
167 -LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
174 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
168 168  
169 -Before use, please make sure that the computer has installed the CP2102 driver
176 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
170 170  
171 -== Pin Mapping & LED ==
172 172  
173 -== Example Send & Get Messages via LoRaWAN in PC ==
179 +(% style="color:blue" %)**Steps for usage:**
174 174  
175 -Connect the LA66 LoRa Shield to the PC
181 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
176 176  
177 -[[image:image-20220602171217-1.png||height="615" width="915"]]
183 +(% style="color:blue" %)**2.**(%%) Add [[decoder>>https://github.com/dragino/dragino-end-node-decoder/tree/main/LA66%20USB]] on TTN
178 178  
179 -Open the serial port tool
185 +(% style="color:blue" %)**3.**(%%) Run the python script in PC and see the TTN
180 180  
181 -[[image:image-20220602161617-8.png]]
182 182  
183 -[[image:image-20220602161718-9.png||height="529" width="927"]]
188 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
184 184  
185 -Press the reset switch RST on the LA66 LoRa Shield.
186 186  
187 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
191 +== 1.8  Example: Send & Get Messages via LoRaWAN in RPi ==
188 188  
189 -[[image:image-20220602161935-10.png]]
190 190  
191 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
194 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
192 192  
193 -example: AT+SENDB=01,02,8,05820802581ea0a5
196 +(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
194 194  
195 -[[image:image-20220602162157-11.png]]
198 +[[image:image-20220723100439-2.png]]
196 196  
197 -Check to see if TTN received the message
198 198  
199 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
201 +(% style="color:blue" %)**2.  Install Minicom in RPi.**
200 200  
201 -== Example Send & Get Messages via LoRaWAN in RPi ==
203 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
202 202  
203 -Connect the LA66 LoRa Shield to the RPI
205 + (% style="background-color:yellow" %)**apt update**
204 204  
205 -[[image:image-20220602171233-2.png||height="592" width="881"]]
207 + (% style="background-color:yellow" %)**apt install minicom**
206 206  
207 -Log in to the RPI's terminal and connect to the serial port
209 +Use minicom to connect to the RPI's terminal
208 208  
209 -[[image:image-20220602153146-3.png]]
211 +[[image:image-20220602153146-3.png||height="439" width="500"]]
210 210  
211 -Press the reset switch RST on the LA66 LoRa Shield.
212 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
213 213  
214 -[[image:image-20220602154928-5.png]]
214 +(% style="color:blue" %)**3.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
215 215  
216 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
216 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
217 217  
218 +[[image:image-20220602154928-5.png||height="436" width="500"]]
219 +
220 +
221 +(% style="color:blue" %)**4.  Send Uplink message**
222 +
223 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
224 +
218 218  example: AT+SENDB=01,02,8,05820802581ea0a5
219 219  
220 -[[image:image-20220602160339-6.png]]
227 +[[image:image-20220602160339-6.png||height="517" width="600"]]
221 221  
229 +
222 222  Check to see if TTN received the message
223 223  
224 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
225 225  
226 -=== Install Minicom ===
233 +[[image:image-20220602160627-7.png||height="369" width="800"]]
227 227  
228 -Enter the following command in the RPI terminal
229 229  
230 -apt update
236 +== 1.9  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
231 231  
232 -[[image:image-20220602143155-1.png]]
238 +=== 1.9.1  Hardware and Software Connection ===
233 233  
234 -apt install minicom
235 235  
236 -[[image:image-20220602143744-2.png]]
241 +==== (% style="color:blue" %)**Overview：**(%%) ====
237 237  
238 -=== Send PC's CPU/RAM usage to TTN via script. ===
243 +(((
244 +DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
239 239  
240 -==== Take python as an example： ====
246 +* Send real-time location information of mobile phone to LoRaWAN network.
247 +* Check LoRaWAN network signal strengh.
248 +* Manually send messages to LoRaWAN network.
249 +)))
241 241  
242 -===== Preconditions: =====
243 243  
244 -1.LA66 USB LoRaWAN Adapter works fine
245 245  
246 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
253 +==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
247 247  
248 -===== Steps for usage =====
255 +A USB to Type-C adapter is needed to connect to a Mobile phone.
249 249  
250 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
257 +Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
251 251  
252 -2.Run the script and see the TTN
259 +[[image:image-20220813174353-2.png||height="360" width="313"]]
253 253  
254 -[[image:image-20220602115852-3.png]]
255 255  
262 +==== (% style="color:blue" %)**Download and Install App:**(%%) ====
256 256  
264 +[[(% 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)
257 257  
258 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
266 +[[image:image-20220813173738-1.png]]
259 259  
260 260  
261 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
269 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
262 262  
271 +Function and page introduction:
272 +
273 +[[image:image-20220723113448-7.png||height="995" width="450"]]
274 +
275 +
276 +(% style="color:blue" %)**Block Explain:**
277 +
278 +1.  Display LA66 USB LoRaWAN Module connection status
279 +
280 +2.  Check and reconnect
281 +
282 +3.  Turn send timestamps on or off
283 +
284 +4.  Display LoRaWan connection status
285 +
286 +5.  Check LoRaWan connection status
287 +
288 +6.  The RSSI value of the node when the ACK is received
289 +
290 +7.  Node's Signal Strength Icon
291 +
292 +8.  Configure Location Uplink Interval
293 +
294 +9.  AT command input box
295 +
296 +10.  Send Button:  Send input box info to LA66 USB Adapter
297 +
298 +11.  Output Log from LA66 USB adapter
299 +
300 +12.  clear log button
301 +
302 +13.  exit button
303 +
304 +
305 +LA66 USB LoRaWAN Module not connected:
306 +
307 +[[image:image-20220723110520-5.png||height="677" width="508"]]
308 +
309 +
310 +Connect LA66 USB LoRaWAN Module:
311 +
312 +[[image:image-20220723110626-6.png||height="681" width="511"]]
313 +
314 +
315 +=== 1.9.2  Send data to TTNv3 and plot location info in Node-Red ===
316 +
317 +
318 +(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
319 +
320 +
321 +[[image:image-20220723134549-8.png]]
322 +
323 +
324 +
325 +(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
326 +
327 +
328 +Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
329 +
330 +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/]]
331 +
332 +After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
333 +
334 +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]]
335 +
336 +
337 +Example output in NodeRed is as below:
338 +
339 +[[image:image-20220723144339-1.png]]
340 +
341 +
342 +== 1.10  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
343 +
344 +
345 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
346 +
347 +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).
348 +
349 +(% style="color:red" %)**Notice: If upgrade via USB hub is not sucessful. try to connect to PC directly.**
350 +
351 +[[image:image-20220723150132-2.png]]
352 +
353 +
354 +=== (% style="color:blue" %)**Open the Upgrade tool (Tremo Programmer) in PC and Upgrade** (%%) ===
355 +
356 +
357 +**1.  Software download link:  [[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
358 +
359 +[[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"]]
360 +
361 +[[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"]]
362 +
363 +
364 +**2.  Select the COM port corresponding to USB TTL**
365 +
366 +[[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"]]
367 +
368 +
369 +**3.  Select the bin file to burn**
370 +
371 +[[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"]]
372 +
373 +[[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"]]
374 +
375 +[[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"]]
376 +
377 +
378 +**4.  Click to start the download**
379 +
380 +[[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"]]
381 +
382 +
383 +**5.  Check update process**
384 +
385 +[[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"]]
386 +
387 +
388 +**The following picture shows that the burning is successful**
389 +
390 +[[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"]]
391 +
392 +
393 += 2.  FAQ =
394 +
395 +== 2.1  How to Compile Source Code for LA66? ==
396 +
397 +
398 +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]]
399 +
400 +
401 +== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
402 +
403 +
404 +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]]
405 +
406 +
407 +== 2.3 My device keeps showing invalid credentials, the device goes into low power mode ==
408 +
409 +
410 +Set the AT+COMMAND: (% style="color:blue" %)**AT+UUID=666666666666**
411 +
412 +
413 +== 2.4 How to use external antenna via ipex connector? ==
414 +
415 +
416 +You need to remove the spring antenna first, and also remove the resistor and capacitor.
417 +Connect external antenna.
418 +
419 +[[image:image-20231129155939-1.png||height="529" width="397"]]
420 +
421 +
422 += 3.  Order Info =
423 +
424 +
425 +**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
426 +
427 +
428 +(% style="color:blue" %)**XXX**(%%): The default frequency band
429 +
430 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
431 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
432 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
433 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
434 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
435 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
436 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
437 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
438 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
439 +
440 += 4.  Reference =
441 +
442 +
443 +* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
444 +* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
445 +
446 += 5.  FCC Statement =
447 +
448 +
449 +(% style="color:red" %)**FCC Caution:**
450 +
451 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
452 +
453 +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.
454 +
455 +
456 +(% style="color:red" %)**IMPORTANT NOTE: **
457 +
458 +(% 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:
459 +
460 +—Reorient or relocate the receiving antenna.
461 +
462 +—Increase the separation between the equipment and receiver.
463 +
464 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
465 +
466 +—Consult the dealer or an experienced radio/TV technician for help.
467 +
468 +
469 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
470 +
471 +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.
472 +
263 263  
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