Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 49.1 >
edited by Herong Lu
on 2022/06/02 15:49
To version < 64.1 >
edited by Edwin Chen
on 2022/07/02 21:03
>
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1 -XWiki.Lu
1 +XWiki.Edwin
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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 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.
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 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.
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  
13 -**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
14 14  
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 +
17 17  == Specification ==
18 18  
19 19  [[image:image-20220517072526-1.png]]
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162 162  
163 163  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.
164 164  
169 +Before use, please make sure that the computer has installed the CP2102 driver
170 +
165 165  == Pin Mapping & LED ==
166 166  
167 167  == Example Send & Get Messages via LoRaWAN in PC ==
168 168  
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 +
169 169  == Example Send & Get Messages via LoRaWAN in RPi ==
170 170  
171 -=== Install USB Driver ===
203 +Connect the LA66 LoRa Shield to the RPI
172 172  
173 -Download Link:[[click here>>attach:CP210x_Universal_Windows_Driver.zip]]
205 +[[image:image-20220602171233-2.png||height="592" width="881"]]
174 174  
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 +
175 175  === Install Minicom ===
176 176  
177 177  Enter the following command in the RPI terminal
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184 184  
185 185  [[image:image-20220602143744-2.png]]
186 186  
187 -=== Use AT Command to send an uplink message. ===
188 -
189 189  === Send PC's CPU/RAM usage to TTN via script. ===
190 190  
191 191  ==== Take python as an example： ====
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192 192  
193 193  ===== Preconditions: =====
194 194  
195 -1.LA66 LoRa Shield works fine
244 +1.LA66 USB LoRaWAN Adapter works fine
196 196  
197 -2.LA66 LoRa Shield is registered with TTN
246 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
198 198  
199 199  ===== Steps for usage =====
200 200  
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
250 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
202 202  
203 -[[image:image-20220602114148-1.png]]
204 -
205 205  2.Run the script and see the TTN
206 206  
207 207  [[image:image-20220602115852-3.png]]
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212 212  
213 213  
214 214  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
262 +
263 +
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