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What if the MCU does not respond to the heartbeat message from a module in a product using the general integration solution?

Last Updated on：2022-05-17 06:18:57

If the MCU does not respond to the heartbeat message sent by the module for consecutive 90s, the module will restart. After the module restarts, it starts to send the first heartbeat packet. If the MCU still does not respond, the device is displayed as offline in the app after 3 minutes.