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From version < 87.13 >
edited by Xiaoling
on 2022/07/13 10:05
To version < 87.19 >
edited by Xiaoling
on 2022/07/13 10:33
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12 12  == 1.1  What is LA66 LoRaWAN Module ==
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14 14  
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15 15  (% 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.
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16 16  
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17 17  (% 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.
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18 18  
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19 19  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
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20 20  
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21 21  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.
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22 22  
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23 23  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
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24 24  
25 25  
26 26  == 1.2  Features ==
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36 36  * Ultra-long RF range
37 37  
38 38  
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39 39  == 1.3  Specification ==
40 40  
41 41  * CPU: 32-bit 48 MHz
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57 57  * I/O Voltage: 3.3v
58 58  
59 59  
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60 60  == 1.4  AT Command ==
61 61  
62 62  AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
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103 103  * Ultra-long RF range
104 104  
105 105  
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106 106  == 2.3  Specification ==
107 107  
108 108  * CPU: 32-bit 48 MHz
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124 124  * I/O Voltage: 3.3v
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126 126  
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127 127  == 2.4  Pin Mapping & LED ==
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129 129  
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149 149  1. Arduino
150 150  1. USB TO TTL Adapter
151 151  
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152 152  [[image:image-20220602100052-2.png||height="385" width="600"]]
153 153  
154 154  
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158 158  [[image:image-20220602101311-3.png||height="276" width="600"]]
159 159  
160 160  
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161 161  (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
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162 162  
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163 163  (% style="background-color:yellow" %)**GND  <-> GND
164 164  TXD  <->  TXD
165 165  RXD  <->  RXD**
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166 166  
167 167  
168 168  Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
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193 193  ==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
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195 195  
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196 196  (% 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/]]**
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197 197  
198 198  
199 199  [[image:image-20220602103227-6.png]]
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269 269  * Firmware upgradable via UART interface
270 270  
271 271  
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272 272  == 3.3  Specification ==
273 273  
274 274  * CPU: 32-bit 48 MHz
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288 288  * LoRa Rx current: <9 mA
289 289  
290 290  
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291 291  == 3.4  Pin Mapping & LED ==
292 292  
293 293  
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