Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 10.2 >
edited by Xiaoling
on 2022/05/23 10:15
To version < 64.1 >
edited by Edwin Chen
on 2022/07/02 21:03
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1 -XWiki.Xiaoling
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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78 78  
79 79  LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
80 80  
85 +== Pin Mapping & LED ==
81 81  
87 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
88 +
89 +== Example: Join TTN network and send an uplink message, get downlink message. ==
90 +
91 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
92 +
93 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
94 +
95 +=== what needs to be used ===
96 +
97 +1.LA66 LoRaWAN Shield that needs to be upgraded
98 +
99 +2.Arduino
100 +
101 +3.USB TO TTL
102 +
103 +[[image:image-20220602100052-2.png]]
104 +
105 +=== Wiring Schematic ===
106 +
107 +[[image:image-20220602101311-3.png]]
108 +
109 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
110 +
111 +GND  >>>>>>>>>>>>GND
112 +
113 +TXD  >>>>>>>>>>>>TXD
114 +
115 +RXD  >>>>>>>>>>>>RXD
116 +
117 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
118 +
119 +Connect to the PC after connecting the wires
120 +
121 +[[image:image-20220602102240-4.png]]
122 +
123 +=== Upgrade steps ===
124 +
125 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
126 +
127 +[[image:image-20220602102824-5.png]]
128 +
129 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
130 +
131 +[[image:image-20220602104701-12.png]]
132 +
133 +==== Open the upgrade application software ====
134 +
135 +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/]]
136 +
137 +[[image:image-20220602103227-6.png]]
138 +
139 +[[image:image-20220602103357-7.png]]
140 +
141 +===== Select the COM port corresponding to USB TTL =====
142 +
143 +[[image:image-20220602103844-8.png]]
144 +
145 +===== Select the bin file to burn =====
146 +
147 +[[image:image-20220602104144-9.png]]
148 +
149 +[[image:image-20220602104251-10.png]]
150 +
151 +[[image:image-20220602104402-11.png]]
152 +
153 +===== Click to start the download =====
154 +
155 +[[image:image-20220602104923-13.png]]
156 +
157 +===== The following figure appears to prove that the burning is in progress =====
158 +
159 +[[image:image-20220602104948-14.png]]
160 +
161 +===== The following picture appears to prove that the burning is successful =====
162 +
163 +[[image:image-20220602105251-15.png]]
164 +
82 82  = LA66 USB LoRaWAN Adapter =
83 83  
84 84  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.
85 85  
169 +Before use, please make sure that the computer has installed the CP2102 driver
86 86  
87 -== Install USB Driver ==
171 +== Pin Mapping & LED ==
88 88  
173 +== Example Send & Get Messages via LoRaWAN in PC ==
89 89  
90 -== Send & Get Message via LoRaWAN ==
175 +Connect the LA66 LoRa Shield to the PC
91 91  
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 +
201 +== Example Send & Get Messages via LoRaWAN in RPi ==
202 +
203 +Connect the LA66 LoRa Shield to the RPI
204 +
205 +[[image:image-20220602171233-2.png||height="592" width="881"]]
206 +
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 +
92 92  === Install Minicom ===
93 93  
228 +Enter the following command in the RPI terminal
94 94  
95 -Example: LA66 USB Module got message from LA66 LoRa Shield and send the sensor data to NodeRed.
230 +apt update
96 96  
232 +[[image:image-20220602143155-1.png]]
233 +
234 +apt install minicom
235 +
236 +[[image:image-20220602143744-2.png]]
237 +
238 +=== Send PC's CPU/RAM usage to TTN via script. ===
239 +
240 +==== Take python as an example： ====
241 +
242 +===== Preconditions: =====
243 +
244 +1.LA66 USB LoRaWAN Adapter works fine
245 +
246 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
247 +
248 +===== Steps for usage =====
249 +
250 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
251 +
252 +2.Run the script and see the TTN
253 +
254 +[[image:image-20220602115852-3.png]]
255 +
256 +
257 +
258 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
259 +
260 +
261 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
262 +
97 97  
CP210x_Universal_Windows_Driver.zip
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