Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 68.1 >
edited by Edwin Chen
on 2022/07/02 23:42
To version < 29.1 >
edited by Herong Lu
on 2022/06/02 10:49
>
Change comment: Uploaded new attachment "image-20220602104923-13.png", version {1}

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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 -(% 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  
17 +== Specification ==
19 19  
20 -== Features ==
19 +[[image:image-20220517072526-1.png]]
21 21  
22 -* Support LoRaWAN v1.0.4 protocol
23 -* Support peer-to-peer protocol
24 -* TCXO crystal to ensure RF performance on low temperature
25 -* SMD Antenna pad and i-pex antenna connector
26 -* Available in different frequency LoRaWAN frequency bands.
27 -* World-wide unique OTAA keys.
21 +Input Power Range: 1.8v ~~ 3.7v
28 28  
23 +Power Consumption: < 4uA.
29 29  
25 +Frequency Range: 150 MHz ~~ 960 MHz
30 30  
27 +Maximum Power +22 dBm constant RF output
31 31  
32 -== Specification ==
29 +High sensitivity: -148 dBm
33 33  
34 -* CPU: 32-bit 48 MHz
35 -* Flash: 256KB
36 -* RAM: 64KB
37 -* Input Power Range: 1.8v ~~ 3.7v
38 -* Power Consumption: < 4uA.
39 -* Frequency Range: 150 MHz ~~ 960 MHz
40 -* Maximum Power +22 dBm constant RF output
41 -* High sensitivity: -148 dBm
42 -* Temperature:
43 -** Storage: -55 ~~ +125℃
44 -** Operating: -40 ~~ +85℃
45 -* Humidity:
46 -** Storage: 5 ~~ 95% (Non-Condensing)
47 -** Operating: 10 ~~ 95% (Non-Condensing)
48 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
49 -* LoRa Rx current: <9 mA
50 -* I/O Voltage: 3.3v
31 +Temperature:
51 51  
52 -== AT Command ==
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
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.
36 +Humidity:
55 55  
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
56 56  
57 -== Dimension ==
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
58 58  
59 -[[image:image-20220517072526-1.png]]
43 +LoRa Rx current: <9 mA
60 60  
45 +I/O Voltage: 3.3v
61 61  
47 +
48 +== AT Command ==
49 +
50 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
51 +
52 +
62 62  == Pin Mapping ==
63 63  
64 64  [[image:image-20220523101537-1.png]]
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82 82  * **US915**: LoRaWAN US915 band
83 83  * **IN865**: LoRaWAN IN865 band
84 84  * **CN470**: LoRaWAN CN470 band
85 -* **PP**: Peer to Peer LoRa Protocol
86 86  
87 -
88 88  = LA66 LoRaWAN Shield =
89 89  
90 90  LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
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129 129  
130 130  === Upgrade steps ===
131 131  
132 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
133 133  
134 -[[image:image-20220602102824-5.png]]
135 -
136 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
137 -
138 -[[image:image-20220602104701-12.png]]
139 -
140 -==== Open the upgrade application software ====
141 -
142 -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/]]
143 -
144 -[[image:image-20220602103227-6.png]]
145 -
146 -[[image:image-20220602103357-7.png]]
147 -
148 -===== Select the COM port corresponding to USB TTL =====
149 -
150 -[[image:image-20220602103844-8.png]]
151 -
152 -===== Select the bin file to burn =====
153 -
154 -[[image:image-20220602104144-9.png]]
155 -
156 -[[image:image-20220602104251-10.png]]
157 -
158 -[[image:image-20220602104402-11.png]]
159 -
160 -===== Click to start the download =====
161 -
162 -[[image:image-20220602104923-13.png]]
163 -
164 -===== The following figure appears to prove that the burning is in progress =====
165 -
166 -[[image:image-20220602104948-14.png]]
167 -
168 -===== The following picture appears to prove that the burning is successful =====
169 -
170 -[[image:image-20220602105251-15.png]]
171 -
172 172  = LA66 USB LoRaWAN Adapter =
173 173  
174 174  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.
175 175  
176 -Before use, please make sure that the computer has installed the CP2102 driver
177 -
178 178  == Pin Mapping & LED ==
179 179  
180 180  == Example Send & Get Messages via LoRaWAN in PC ==
181 181  
182 -Connect the LA66 LoRa Shield to the PC
183 -
184 -[[image:image-20220602171217-1.png||height="615" width="915"]]
185 -
186 -Open the serial port tool
187 -
188 -[[image:image-20220602161617-8.png]]
189 -
190 -[[image:image-20220602161718-9.png||height="529" width="927"]]
191 -
192 -Press the reset switch RST on the LA66 LoRa Shield.
193 -
194 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
195 -
196 -[[image:image-20220602161935-10.png]]
197 -
198 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
199 -
200 -example: AT+SENDB=01,02,8,05820802581ea0a5
201 -
202 -[[image:image-20220602162157-11.png]]
203 -
204 -Check to see if TTN received the message
205 -
206 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
207 -
208 208  == Example Send & Get Messages via LoRaWAN in RPi ==
209 209  
210 -Connect the LA66 LoRa Shield to the RPI
132 +=== Install USB Driver ===
211 211  
212 -[[image:image-20220602171233-2.png||height="592" width="881"]]
213 -
214 -Log in to the RPI's terminal and connect to the serial port
215 -
216 -[[image:image-20220602153146-3.png]]
217 -
218 -Press the reset switch RST on the LA66 LoRa Shield.
219 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
220 -
221 -[[image:image-20220602154928-5.png]]
222 -
223 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
224 -
225 -example: AT+SENDB=01,02,8,05820802581ea0a5
226 -
227 -[[image:image-20220602160339-6.png]]
228 -
229 -Check to see if TTN received the message
230 -
231 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
232 -
233 233  === Install Minicom ===
234 234  
235 -Enter the following command in the RPI terminal
136 +=== Use AT Command to send an uplink message. ===
236 236  
237 -apt update
138 +=== Send CPU/RAM usage to TTN via a script. ===
238 238  
239 -[[image:image-20220602143155-1.png]]
240 240  
241 -apt install minicom
242 -
243 -[[image:image-20220602143744-2.png]]
244 -
245 -=== Send PC's CPU/RAM usage to TTN via script. ===
246 -
247 -==== Take python as an example： ====
248 -
249 -===== Preconditions: =====
250 -
251 -1.LA66 USB LoRaWAN Adapter works fine
252 -
253 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
254 -
255 -===== Steps for usage =====
256 -
257 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
258 -
259 -2.Run the script and see the TTN
260 -
261 -[[image:image-20220602115852-3.png]]
262 -
263 -
264 -
265 265  == Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
266 266  
267 267  
268 268  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
269 -
270 -
CP210x_Universal_Windows_Driver.zip
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