Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 65.1 >
edited by Edwin Chen
on 2022/07/02 23:30
To version < 14.1 >
edited by Edwin Chen
on 2022/05/31 10:05
>
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Summary

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6 6  
7 7  == What is LA66 LoRaWAN Module ==
8 8  
9 -(% 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.
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 -(% 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.
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 (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
14 14  
15 -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.
16 16  
17 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
18 18  
19 -== Features ==
20 -
21 -
22 22  == Specification ==
23 23  
24 24  [[image:image-20220517072526-1.png]]
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93 93  
94 94  == Upgrade Firmware of LA66 LoRaWAN Shield ==
95 95  
96 -=== what needs to be used ===
97 97  
98 -1.LA66 LoRaWAN Shield that needs to be upgraded
99 99  
100 -2.Arduino
101 -
102 -3.USB TO TTL
103 -
104 -[[image:image-20220602100052-2.png]]
105 -
106 -=== Wiring Schematic ===
107 -
108 -[[image:image-20220602101311-3.png]]
109 -
110 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
111 -
112 -GND  >>>>>>>>>>>>GND
113 -
114 -TXD  >>>>>>>>>>>>TXD
115 -
116 -RXD  >>>>>>>>>>>>RXD
117 -
118 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
119 -
120 -Connect to the PC after connecting the wires
121 -
122 -[[image:image-20220602102240-4.png]]
123 -
124 -=== Upgrade steps ===
125 -
126 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
127 -
128 -[[image:image-20220602102824-5.png]]
129 -
130 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
131 -
132 -[[image:image-20220602104701-12.png]]
133 -
134 -==== Open the upgrade application software ====
135 -
136 -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/]]
137 -
138 -[[image:image-20220602103227-6.png]]
139 -
140 -[[image:image-20220602103357-7.png]]
141 -
142 -===== Select the COM port corresponding to USB TTL =====
143 -
144 -[[image:image-20220602103844-8.png]]
145 -
146 -===== Select the bin file to burn =====
147 -
148 -[[image:image-20220602104144-9.png]]
149 -
150 -[[image:image-20220602104251-10.png]]
151 -
152 -[[image:image-20220602104402-11.png]]
153 -
154 -===== Click to start the download =====
155 -
156 -[[image:image-20220602104923-13.png]]
157 -
158 -===== The following figure appears to prove that the burning is in progress =====
159 -
160 -[[image:image-20220602104948-14.png]]
161 -
162 -===== The following picture appears to prove that the burning is successful =====
163 -
164 -[[image:image-20220602105251-15.png]]
165 -
166 166  = LA66 USB LoRaWAN Adapter =
167 167  
168 168  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.
169 169  
170 -Before use, please make sure that the computer has installed the CP2102 driver
171 -
172 172  == Pin Mapping & LED ==
173 173  
174 174  == Example Send & Get Messages via LoRaWAN in PC ==
175 175  
176 -Connect the LA66 LoRa Shield to the PC
177 -
178 -[[image:image-20220602171217-1.png||height="615" width="915"]]
179 -
180 -Open the serial port tool
181 -
182 -[[image:image-20220602161617-8.png]]
183 -
184 -[[image:image-20220602161718-9.png||height="529" width="927"]]
185 -
186 -Press the reset switch RST on the LA66 LoRa Shield.
187 -
188 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
189 -
190 -[[image:image-20220602161935-10.png]]
191 -
192 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
193 -
194 -example: AT+SENDB=01,02,8,05820802581ea0a5
195 -
196 -[[image:image-20220602162157-11.png]]
197 -
198 -Check to see if TTN received the message
199 -
200 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
201 -
202 202  == Example Send & Get Messages via LoRaWAN in RPi ==
203 203  
204 -Connect the LA66 LoRa Shield to the RPI
103 +=== Install USB Driver ===
205 205  
206 -[[image:image-20220602171233-2.png||height="592" width="881"]]
207 -
208 -Log in to the RPI's terminal and connect to the serial port
209 -
210 -[[image:image-20220602153146-3.png]]
211 -
212 -Press the reset switch RST on the LA66 LoRa Shield.
213 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
214 -
215 -[[image:image-20220602154928-5.png]]
216 -
217 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
218 -
219 -example: AT+SENDB=01,02,8,05820802581ea0a5
220 -
221 -[[image:image-20220602160339-6.png]]
222 -
223 -Check to see if TTN received the message
224 -
225 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
226 -
227 227  === Install Minicom ===
228 228  
229 -Enter the following command in the RPI terminal
107 +=== Use AT Command to send an uplink message. ===
230 230  
231 -apt update
109 +=== Send CPU/RAM/Flash usage to TTN via a script. ===
232 232  
233 -[[image:image-20220602143155-1.png]]
234 234  
235 -apt install minicom
236 -
237 -[[image:image-20220602143744-2.png]]
238 -
239 -=== Send PC's CPU/RAM usage to TTN via script. ===
240 -
241 -==== Take python as an example： ====
242 -
243 -===== Preconditions: =====
244 -
245 -1.LA66 USB LoRaWAN Adapter works fine
246 -
247 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
248 -
249 -===== Steps for usage =====
250 -
251 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
252 -
253 -2.Run the script and see the TTN
254 -
255 -[[image:image-20220602115852-3.png]]
256 -
257 -
258 -
259 259  == Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
260 260  
261 261  
CP210x_Universal_Windows_Driver.zip
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