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Karry Zhuang 26.1 1 = 1. Prepare Hardware & Software =
Edwin Chen 2.1 2
Karry Zhuang 29.1 3 * Update Tool:OTA_Tool
Edwin Chen 2.1 4 * Hardware: Sensor, Converter
5 * Firmware:
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Karry Zhuang 26.1 7 = 2. Hardware Connection =
Edwin Chen 2.1 8
Karry Zhuang 25.1 9 The data cable should be connected to the AIS (note: there is no camera on this side), while the computer should be connected on the other side.
Edwin Chen 2.1 10
Karry Zhuang 33.2 11 [[image:image-20240424145824-1.gif]][[image:image-20240424145847-2.jpeg||height="359" width="478"]]
Karry Zhuang 25.1 12
Karry Zhuang 26.1 13 = 3.OTA UART flash =
Karry Zhuang 25.1 14
15 Open the OTA_Tool folder and put the latest firmware "layout.bin" and "output. img" into the img folder.
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17 [[image:1713510920220-760.png||height="219" width="816"]]
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19 The OTA_Tool folder should be opened and the program can be run by double-clicking on ota.exe.
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21 [[image:1713511385474-910.png||height="452" width="804"]]
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23 When the program opens, follow these steps.
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25 1 Select the chip type. AIS uses QFN72. Press 2 to select QFN72
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27 2 Select an upgrade mode. AIS supports serial port upgrade only. Press 2 to select Uart protocol
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Karry Zhuang 31.1 29 3 Select a port number. Choose the largest number of serial port, For example, here shows 16 and 17. Press 1 to select COM17
Karry Zhuang 25.1 30
31 4 Select the baud rate. The default baud rate is 921600. Press 14 to select 921600
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Karry Zhuang 27.1 33 [[image:1713511914316-181.png||height="754" width="865"]]
Karry Zhuang 25.1 34 After the baud rate is configured, the upgrade page is displayed. 1 is to check whether the communication port is correct.
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Karry Zhuang 27.1 36 [[image:1713513351848-254.png||height="477" width="861"]]x
Karry Zhuang 25.1 37
38 Select 1 to check whether the configured port is correct.
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Karry Zhuang 27.1 40 [[image:1713513373484-487.png||height="472" width="856"]]
Karry Zhuang 25.1 41
42 Select 2 is port is after normal communication with AIS.
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Karry Zhuang 27.1 44 [[image:1713513478607-793.png||height="471" width="851"]]
Karry Zhuang 25.1 45
46 Press 0, press Enter, and select 2 to go to the upgrade surface.
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Karry Zhuang 27.1 48 [[image:1713513522820-547.png||height="467" width="847"]]
Karry Zhuang 25.1 49
Karry Zhuang 27.1 50 [[image:1713513544122-175.png||height="467" width="845"]]
Karry Zhuang 25.1 51
52 Select 2 to enter the upgrade.
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Karry Zhuang 27.1 54 [[image:1713513668777-698.png||height="464" width="840"]]
Karry Zhuang 25.1 55
56 If ReBoot WEI is displayed as shown in the following figure, the upgrade succeeds.
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Karry Zhuang 27.1 58 [[image:1713513732175-702.png||height="354" width="836"]]
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