Last modified by Mengting Qiu on 2024/04/01 17:22
<
From version < 39.1 >
edited by Herong Lu
on 2022/06/02 13:35
To version < 18.1 >
edited by Herong Lu
on 2022/06/02 10:13
>
Change comment: Uploaded new attachment "image-20220602101311-3.png", version {1}

Summary

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88 88  
89 89  == Upgrade Firmware of LA66 LoRaWAN Shield ==
90 90  
91 -=== what needs to be used ===
92 92  
93 -1.LA66 LoRaWAN Shield that needs to be upgraded
94 94  
95 -2.Arduino
96 -
97 -3.USB TO TTL
98 -
99 -[[image:image-20220602100052-2.png]]
100 -
101 -=== Wiring Schematic ===
102 -
103 -[[image:image-20220602101311-3.png]]
104 -
105 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
106 -
107 -GND  >>>>>>>>>>>>GND
108 -
109 -TXD  >>>>>>>>>>>>TXD
110 -
111 -RXD  >>>>>>>>>>>>RXD
112 -
113 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
114 -
115 -Connect to the PC after connecting the wires
116 -
117 -[[image:image-20220602102240-4.png]]
118 -
119 -=== Upgrade steps ===
120 -
121 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
122 -
123 -[[image:image-20220602102824-5.png]]
124 -
125 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
126 -
127 -[[image:image-20220602104701-12.png]]
128 -
129 -==== Open the upgrade application software ====
130 -
131 -Software download link：[[click here>>attach:TremoProgrammer_v0.8.rar]]
132 -
133 -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/]]
134 -
135 -[[image:image-20220602103227-6.png]]
136 -
137 -[[image:image-20220602103357-7.png]]
138 -
139 -===== Select the COM port corresponding to USB TTL =====
140 -
141 -[[image:image-20220602103844-8.png]]
142 -
143 -===== Select the bin file to burn =====
144 -
145 -[[image:image-20220602104144-9.png]]
146 -
147 -[[image:image-20220602104251-10.png]]
148 -
149 -[[image:image-20220602104402-11.png]]
150 -
151 -===== Click to start the download =====
152 -
153 -[[image:image-20220602104923-13.png]]
154 -
155 -===== The following figure appears to prove that the burning is in progress =====
156 -
157 -[[image:image-20220602104948-14.png]]
158 -
159 -===== The following picture appears to prove that the burning is successful =====
160 -
161 -[[image:image-20220602105251-15.png]]
162 -
163 163  = LA66 USB LoRaWAN Adapter =
164 164  
165 165  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.
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176 176  
177 177  === Use AT Command to send an uplink message. ===
178 178  
179 -=== Send PC's CPU/RAM usage to TTN via script. ===
109 +=== Send CPU/RAM usage to TTN via a script. ===
180 180  
181 -==== Take python as an example： ====
182 182  
183 -===== Preconditions: =====
184 -
185 -1.LA66 LoRa Shield works fine
186 -
187 -2.LA66 LoRa Shield is registered with TTN
188 -
189 -===== Steps for usage =====
190 -
191 -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
192 -
193 -[[image:image-20220602114148-1.png]]
194 -
195 -2.Run the script and see the TTN
196 -
197 -[[image:image-20220602115852-3.png]]
198 -
199 -
200 -
201 201  == Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
202 202  
203 203  
204 204  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
116 +
117 +
TremoProgrammer_v0.8.rar
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