Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 37.1 >
edited by Herong Lu
on 2022/06/02 11:58
To version < 66.1 >
edited by Edwin Chen
on 2022/07/02 23:32
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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 +(% 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.
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 +(% 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.
12 12  
13 -**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
13 +Each LA66 module includes a (% style="color:blue" %)**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.
15 15  
17 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
16 16  
17 -== Specification ==
19 +== Features ==
18 18  
19 -[[image:image-20220517072526-1.png]]
20 20  
21 -Input Power Range: 1.8v ~~ 3.7v
22 +== Specification ==
22 22  
23 -Power Consumption: < 4uA.
24 +* Input Power Range: 1.8v ~~ 3.7v
25 +* Power Consumption: < 4uA.
26 +* Frequency Range: 150 MHz ~~ 960 MHz
27 +* Maximum Power +22 dBm constant RF output
28 +* High sensitivity: -148 dBm
29 +* Temperature:
30 +** Storage: -55 ~~ +125℃
31 +** Operating: -40 ~~ +85℃
32 +* Humidity:
33 +** Storage: 5 ~~ 95% (Non-Condensing)
34 +** Operating: 10 ~~ 95% (Non-Condensing)
35 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
36 +* LoRa Rx current: <9 mA
37 +* I/O Voltage: 3.3v
24 24  
25 -Frequency Range: 150 MHz ~~ 960 MHz
26 26  
27 -Maximum Power +22 dBm constant RF output
40 +== AT Command ==
28 28  
29 -High sensitivity: -148 dBm
42 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
30 30  
31 -Temperature:
32 32  
33 -* Storage: -55 ~~ +125℃
34 -* Operating: -40 ~~ +85℃
45 +== Dimension ==
35 35  
36 -Humidity:
47 +[[image:image-20220517072526-1.png]]
37 37  
38 -* Storage: 5 ~~ 95% (Non-Condensing)
39 -* Operating: 10 ~~ 95% (Non-Condensing)
40 40  
41 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
42 -
43 -LoRa Rx current: <9 mA
44 -
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 -
53 53  == Pin Mapping ==
54 54  
55 55  [[image:image-20220523101537-1.png]]
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128 128  
129 129  ==== Open the upgrade application software ====
130 130  
131 -Software download link：[[click here>>attach:TremoProgrammer_v0.8.rar]]
128 +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/]]
132 132  
133 133  [[image:image-20220602103227-6.png]]
134 134  
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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  
162 +Before use, please make sure that the computer has installed the CP2102 driver
163 +
165 165  == Pin Mapping & LED ==
166 166  
167 167  == Example Send & Get Messages via LoRaWAN in PC ==
168 168  
168 +Connect the LA66 LoRa Shield to the PC
169 +
170 +[[image:image-20220602171217-1.png||height="615" width="915"]]
171 +
172 +Open the serial port tool
173 +
174 +[[image:image-20220602161617-8.png]]
175 +
176 +[[image:image-20220602161718-9.png||height="529" width="927"]]
177 +
178 +Press the reset switch RST on the LA66 LoRa Shield.
179 +
180 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
181 +
182 +[[image:image-20220602161935-10.png]]
183 +
184 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
185 +
186 +example: AT+SENDB=01,02,8,05820802581ea0a5
187 +
188 +[[image:image-20220602162157-11.png]]
189 +
190 +Check to see if TTN received the message
191 +
192 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
193 +
169 169  == Example Send & Get Messages via LoRaWAN in RPi ==
170 170  
171 -=== Install USB Driver ===
196 +Connect the LA66 LoRa Shield to the RPI
172 172  
198 +[[image:image-20220602171233-2.png||height="592" width="881"]]
199 +
200 +Log in to the RPI's terminal and connect to the serial port
201 +
202 +[[image:image-20220602153146-3.png]]
203 +
204 +Press the reset switch RST on the LA66 LoRa Shield.
205 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
206 +
207 +[[image:image-20220602154928-5.png]]
208 +
209 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
210 +
211 +example: AT+SENDB=01,02,8,05820802581ea0a5
212 +
213 +[[image:image-20220602160339-6.png]]
214 +
215 +Check to see if TTN received the message
216 +
217 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
218 +
173 173  === Install Minicom ===
174 174  
175 -=== Use AT Command to send an uplink message. ===
221 +Enter the following command in the RPI terminal
176 176  
177 -=== Send CPU/RAM usage to TTN via a script. ===
223 +apt update
178 178  
225 +[[image:image-20220602143155-1.png]]
179 179  
227 +apt install minicom
228 +
229 +[[image:image-20220602143744-2.png]]
230 +
231 +=== Send PC's CPU/RAM usage to TTN via script. ===
232 +
233 +==== Take python as an example： ====
234 +
235 +===== Preconditions: =====
236 +
237 +1.LA66 USB LoRaWAN Adapter works fine
238 +
239 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
240 +
241 +===== Steps for usage =====
242 +
243 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
244 +
245 +2.Run the script and see the TTN
246 +
247 +[[image:image-20220602115852-3.png]]
248 +
249 +
250 +
180 180  == Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
181 181  
182 182  
183 183  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
255 +
256 +
TremoProgrammer_v0.8.rar
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