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Changes for page DMT01

Last modified by Xiaoling on 2025/08/15 17:26
From version 66.1
edited by Mengting Qiu
on 2025/08/06 17:25
Change comment: There is no comment for this version
To version 67.5
edited by Mengting Qiu
on 2025/08/06 18:11
Change comment: There is no comment for this version

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740 740  === 3.2.6  Alarm Mode ===
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743 +**Feature**: When the sample temperature is lower or higher than the set threshold, it will automatically alarm (the alarm mode is only for food temperature).
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745 +(% style="color:#4f81bd" %)**Downlink Command: 0x09**
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747 +Format: Command Code (0x09) followed by 4 bytes.
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749 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
750 +|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 197px;background-color:#4F81BD;color:white" %)**Function**
751 +|(% style="width:154px" %)AT+3V3T=?|(% style="width:196px" %)Show 3.3V open time.
752 +|(% style="width:154px" %)AT+3V3T=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.
753 +
754 +* Example: 0x09 00 14 00 15  ~/~/ Set the minimum threshold to 20℃ and the maximum threshold to 25℃
755 +* Example: 0x09 00 00 00 00  ~/~/  Disable threshold alarm mode
756 +
757 +Note:
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759 +* When the temperature exceeds the set minimum and maximum temperature thresholds, sampling will be performed at an interval of every 6 seconds. Each set of temperature data will be immediately uploaded to the server.
760 +* The set minimum and maximum alarm temperatures must be within the food temperature range. The temperature detection range is -30 to 120°C.
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746 746  = 4. Firmware update =
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