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From version < 11.1 >
edited by Edwin Chen
on 2022/05/31 09:43
To version < 65.1 >
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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  
19 +== Features ==
20 +
21 +
17 17  == Specification ==
18 18  
19 19  [[image:image-20220517072526-1.png]]
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86 86  
87 87  == Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
88 88  
94 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
89 89  
96 +=== what needs to be used ===
90 90  
98 +1.LA66 LoRaWAN Shield that needs to be upgraded
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 +
91 91  = LA66 USB LoRaWAN Adapter =
92 92  
93 93  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.
94 94  
170 +Before use, please make sure that the computer has installed the CP2102 driver
95 95  
96 -== Install USB Driver ==
172 +== Pin Mapping & LED ==
97 97  
98 -
99 99  == Example Send & Get Messages via LoRaWAN in PC ==
100 100  
101 -(% class="wikigeneratedid" %)
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 +
102 102  == Example Send & Get Messages via LoRaWAN in RPi ==
103 103  
204 +Connect the LA66 LoRa Shield to the RPI
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 +
104 104  === Install Minicom ===
105 105  
229 +Enter the following command in the RPI terminal
106 106  
107 -=== Use AT Command to send an uplink message. ===
231 +apt update
108 108  
233 +[[image:image-20220602143155-1.png]]
109 109  
110 -=== Send CPU/RAM/Flash usage to TTN via a script. ===
235 +apt install minicom
111 111  
237 +[[image:image-20220602143744-2.png]]
112 112  
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 +
113 113  == Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
114 114  
261 +
262 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
263 +
115 115  
CP210x_Universal_Windows_Driver.zip
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