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Last modified by Mengting Qiu on 2025/06/17 09:18
From version 34.1
edited by Mengting Qiu
on 2025/01/07 09:41
Change comment: There is no comment for this version
To version 40.1
edited by Mengting Qiu
on 2025/01/21 09:55
Change comment: There is no comment for this version

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81 81  === (% style="color:blue" %)**Step1:**(%%) Plug LA66 USB to PC and run OTA_Tool. ===
82 82  
83 83  
84 -[[image:image-20231212171036-1.png]]
84 +[[image:image-20250121091115-1.png]]
85 85  
86 86  
87 87  === (% style="color:blue" %)**Step2:**(%%) Set up OTA Tool ===
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102 102  [[image:image-20230114174640-3.png||height="130" width="1169"]]
103 103  
104 104  
105 -=== (% style="color:blue" %)**Step3:**(%%) Press Start in OTA Tool and then Press Reset button to restart LA66 USB ===
105 +=== (% style="color:blue" %)**Step3:**(%%) After re-plugging the LA66 USB, click "Start" in the OTA tool. ===
106 106  
107 107  
108 -After press reset button, LA66 USB will restart and broadcast update process with the Dev EUI and Password.
108 +Upon re-plugging, the LA66 USB will reboot and broadcast the update process using the Dev EUI and passcode
109 109  
110 110  
111 111  === (% style="color:blue" %)**Step4:** (%%)Press reset button on the end node, or re-activate the end node. ===
112 112  
113 +When the OTA Tool displays “**LA66 is scanning for sensor Dev EUI ‘(% style="color:blue" %)DevEUI(%%)’. Please reset the sensor for connection and update**”, press and hold the ACT button on the terminal node for 5 seconds to perform a terminal node reset so that the OTA Tool can connect successfully.
113 113  
115 +[[image:image-20250121093705-3.png]]
116 +
114 114  In every reboot/ reactivate, the end node will check if there is update request. If end node gets the update request from LA66. End node will check if the Dev EUI and Password match. If match, End node will establish connection with LA66 USB for OTA update.
115 115  
116 116  
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119 119  
120 120  Below shows the update successul result.
121 121  
122 -[[image:image-20231212171543-2.png||height="575" width="753"]]
125 +[[image:image-20250121093834-4.png]]
123 123  
124 124  
125 125  == 3.3 OTA Update Configure ==
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167 167  2. OTA update require a reset or reactivate action. If the crash firmware doesn't have them work, user need to manuall push the physic reset button on the PCB or power off/on device.
168 168  
169 169  
173 +== 4.4 Will OTA update effect the Local LoRaWAN Network. ==
174 +
175 +User can configure the OTA_Frequency.txt file to change the Update frequency point so it won't conflict with the general LoRa Frequency. See below for the file as reference and explain. The OTA update also use a none-use SF (SF=5) which won't conflict with the current use SF.
176 +
177 +(% class="mark" %)#Define the OTA frequency use for OTA.
178 +#End Node has FRE1 and SF=5. So don't change FRE1 settings
179 +#FRE2 include several frequencies point.
180 +#PC first use FRE1 to create connection to end node, then use one of FRE2 frequencies to process downlink.
181 +
182 +(% class="mark" %)#Format:
183 +#Frequency Band;FRE1;FRE2
184 +EU868;869.0;868.7,868.9
185 +IN865;866.9;865.1,865.3
186 +KZ865;866.5;866.1,866.3
187 +KR920;921.7;921.3,921.5
188 +MA869;870.5;870.7,870.9
189 +US915;923.1;923.7,924.1
190 +CN470;505.5;605.7,505.9
191 +AU915;923.7;924.7,925.5
192 +AS923;923.5;923.3,923.7
193 +AS923-2;921.2;921.8,922.0
194 +AS923-3;916.4;917.0,917.2
195 +AS923-4;917.1;917.6,917.8
196 +EU433;434.5;433.9,434.1
197 +RU864;869.3;869.5,869.7
198 +
199 +
170 170  = 5. OTA Tool Known Bug: =
171 171  
172 172  
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