Latest Firmware version

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Model

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Old version, date

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Latest version, date

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DT-BDU

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All old versions could be updated

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STM32程序待发布，找曾工

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DT821/VD

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STM32程序，SD或ST-LINK （曾工）

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DT821/T5

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AUTOWRITE (待发布，找楠要新版）

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DT821/M4

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[20200827] V000100（old chip STM8L051X3)

[20211208] V000200 (new chip STM32G030F6)

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[20211229] V000101 (old chip)

[20211229] V000201 (new chip)，需用stm32cubeprg PC程序

Old version Upgraded Guidance

Three update tools are required as below:

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Name of tool

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Picture

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1. ST-LINK

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2. USB tool (could get from Video-Tech)

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3. Micro SD card

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DT-BDU (Update by ST-LINK)

DT821/VD (Update by ST-LINK or SD card)

DT821/T5 (Update by USB tool)

DT821/M4 (Update by ST-LINK)

Please use different firmwares according to the chips, comparison as below

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For old chip STM8, firmware version updated from V000100 to V000101

For new chip STM32, firmware version updated from V000200 to V000201

The Firmware in this connection are all standard version.

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