Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 64.1 >
edited by Edwin Chen
on 2022/07/02 21:03
To version < 46.1 >
edited by Herong Lu
on 2022/06/02 14:38
>
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1 -XWiki.Edwin
1 +XWiki.Lu
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6 6  
7 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.
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 LoRa 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 program, 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.
11 +**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
12 12  
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
13 13  
14 -LA66 is equipped with **TCXO crystal** which ensures the module can achieve the stable performance in extreme temperatures.
15 15  
16 16  
17 -**Each LA66 **module includes a world-unique OTAA key for LoRaWAN registration.
18 -
19 -
20 -
21 21  == Specification ==
22 22  
23 23  [[image:image-20220517072526-1.png]]
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166 166  
167 167  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.
168 168  
169 -Before use, please make sure that the computer has installed the CP2102 driver
170 -
171 171  == Pin Mapping & LED ==
172 172  
173 173  == Example Send & Get Messages via LoRaWAN in PC ==
174 174  
175 -Connect the LA66 LoRa Shield to the PC
176 -
177 -[[image:image-20220602171217-1.png||height="615" width="915"]]
178 -
179 -Open the serial port tool
180 -
181 -[[image:image-20220602161617-8.png]]
182 -
183 -[[image:image-20220602161718-9.png||height="529" width="927"]]
184 -
185 -Press the reset switch RST on the LA66 LoRa Shield.
186 -
187 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
188 -
189 -[[image:image-20220602161935-10.png]]
190 -
191 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
192 -
193 -example: AT+SENDB=01,02,8,05820802581ea0a5
194 -
195 -[[image:image-20220602162157-11.png]]
196 -
197 -Check to see if TTN received the message
198 -
199 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
200 -
201 201  == Example Send & Get Messages via LoRaWAN in RPi ==
202 202  
203 -Connect the LA66 LoRa Shield to the RPI
171 +=== Install USB Driver ===
204 204  
205 -[[image:image-20220602171233-2.png||height="592" width="881"]]
173 +Download Link:[[click here>>attach:CP210x_Universal_Windows_Driver.zip]]
206 206  
207 -Log in to the RPI's terminal and connect to the serial port
208 -
209 -[[image:image-20220602153146-3.png]]
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 -
214 -[[image:image-20220602154928-5.png]]
215 -
216 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
217 -
218 -example: AT+SENDB=01,02,8,05820802581ea0a5
219 -
220 -[[image:image-20220602160339-6.png]]
221 -
222 -Check to see if TTN received the message
223 -
224 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
225 -
226 226  === Install Minicom ===
227 227  
228 228  Enter the following command in the RPI terminal
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235 235  
236 236  [[image:image-20220602143744-2.png]]
237 237  
187 +=== Use AT Command to send an uplink message. ===
188 +
238 238  === Send PC's CPU/RAM usage to TTN via script. ===
239 239  
240 240  ==== Take python as an example： ====
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241 241  
242 242  ===== Preconditions: =====
243 243  
244 -1.LA66 USB LoRaWAN Adapter works fine
195 +1.LA66 LoRa Shield works fine
245 245  
246 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
197 +2.LA66 LoRa Shield is registered with TTN
247 247  
248 248  ===== Steps for usage =====
249 249  
250 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
201 +1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
251 251  
203 +[[image:image-20220602114148-1.png]]
204 +
252 252  2.Run the script and see the TTN
253 253  
254 254  [[image:image-20220602115852-3.png]]
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259 259  
260 260  
261 261  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
262 -
263 -
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