Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 70.1 >
edited by Edwin Chen
on 2022/07/02 23:51
To version < 50.1 >
edited by Herong Lu
on 2022/06/02 16:03
>
Change comment: Uploaded new attachment "image-20220602160339-6.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.
28 -* AT Command via UART-TTL interface
29 -* Firmware upgradable via UART interface
30 -* Ultra-long RF range
21 +Input Power Range: 1.8v ~~ 3.7v
31 31  
23 +Power Consumption: < 4uA.
32 32  
25 +Frequency Range: 150 MHz ~~ 960 MHz
33 33  
34 -== Specification ==
27 +Maximum Power +22 dBm constant RF output
35 35  
36 -* CPU: 32-bit 48 MHz
37 -* Flash: 256KB
38 -* RAM: 64KB
39 -* Input Power Range: 1.8v ~~ 3.7v
40 -* Power Consumption: < 4uA.
41 -* Frequency Range: 150 MHz ~~ 960 MHz
42 -* Maximum Power +22 dBm constant RF output
43 -* High sensitivity: -148 dBm
44 -* Temperature:
45 -** Storage: -55 ~~ +125℃
46 -** Operating: -40 ~~ +85℃
47 -* Humidity:
48 -** Storage: 5 ~~ 95% (Non-Condensing)
49 -** Operating: 10 ~~ 95% (Non-Condensing)
50 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
51 -* LoRa Rx current: <9 mA
52 -* I/O Voltage: 3.3v
29 +High sensitivity: -148 dBm
53 53  
54 -== AT Command ==
31 +Temperature:
55 55  
56 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
57 57  
36 +Humidity:
58 58  
59 -== Dimension ==
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
60 60  
61 -[[image:image-20220517072526-1.png]]
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
62 62  
43 +LoRa Rx current: <9 mA
63 63  
45 +I/O Voltage: 3.3v
46 +
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 +
64 64  == Pin Mapping ==
65 65  
66 66  [[image:image-20220523101537-1.png]]
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84 84  * **US915**: LoRaWAN US915 band
85 85  * **IN865**: LoRaWAN IN865 band
86 86  * **CN470**: LoRaWAN CN470 band
87 -* **PP**: Peer to Peer LoRa Protocol
88 88  
89 89  = LA66 LoRaWAN Shield =
90 90  
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174 174  
175 175  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.
176 176  
177 -Before use, please make sure that the computer has installed the CP2102 driver
178 -
179 179  == Pin Mapping & LED ==
180 180  
181 181  == Example Send & Get Messages via LoRaWAN in PC ==
182 182  
183 -Connect the LA66 LoRa Shield to the PC
184 -
185 -[[image:image-20220602171217-1.png||height="615" width="915"]]
186 -
187 -Open the serial port tool
188 -
189 -[[image:image-20220602161617-8.png]]
190 -
191 -[[image:image-20220602161718-9.png||height="529" width="927"]]
192 -
193 -Press the reset switch RST on the LA66 LoRa Shield.
194 -
195 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
196 -
197 -[[image:image-20220602161935-10.png]]
198 -
199 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
200 -
201 -example: AT+SENDB=01,02,8,05820802581ea0a5
202 -
203 -[[image:image-20220602162157-11.png]]
204 -
205 -Check to see if TTN received the message
206 -
207 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
208 -
209 209  == Example Send & Get Messages via LoRaWAN in RPi ==
210 210  
211 -Connect the LA66 LoRa Shield to the RPI
171 +=== Install USB Driver ===
212 212  
213 -[[image:image-20220602171233-2.png||height="592" width="881"]]
173 +Download Link:[[click here>>attach:CP210x_Universal_Windows_Driver.zip]]
214 214  
215 -Log in to the RPI's terminal and connect to the serial port
216 -
217 -[[image:image-20220602153146-3.png]]
218 -
219 -Press the reset switch RST on the LA66 LoRa Shield.
220 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
221 -
222 -[[image:image-20220602154928-5.png]]
223 -
224 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
225 -
226 -example: AT+SENDB=01,02,8,05820802581ea0a5
227 -
228 -[[image:image-20220602160339-6.png]]
229 -
230 -Check to see if TTN received the message
231 -
232 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
233 -
234 234  === Install Minicom ===
235 235  
236 236  Enter the following command in the RPI terminal
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243 243  
244 244  [[image:image-20220602143744-2.png]]
245 245  
187 +=== Use AT Command to send an uplink message. ===
188 +
246 246  === Send PC's CPU/RAM usage to TTN via script. ===
247 247  
248 248  ==== Take python as an example： ====
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249 249  
250 250  ===== Preconditions: =====
251 251  
252 -1.LA66 USB LoRaWAN Adapter works fine
195 +1.LA66 LoRa Shield works fine
253 253  
254 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
197 +2.LA66 LoRa Shield is registered with TTN
255 255  
256 256  ===== Steps for usage =====
257 257  
258 -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
259 259  
203 +[[image:image-20220602114148-1.png]]
204 +
260 260  2.Run the script and see the TTN
261 261  
262 262  [[image:image-20220602115852-3.png]]
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267 267  
268 268  
269 269  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
270 -
271 -
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