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Add suggestion for reducing DTIM to improve WiFi 

This change improved my use case from ~50% packet loss to roughly zero and allows OTA updates to work reliably.
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Darren Tucker 2021-10-28 12:06:28 +11:00 committed by GitHub
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@ -240,6 +240,11 @@ Some steps that can help with the issue:
the log viewer on the web dashboard. In production, you will likely only have a single connection from
Home Assistant, making this less of an issue. But beware that attaching a log viewer might
have impact.
- Reducing the Delivery Traffic Indication Message (DTIM) interval in the WiFi access point may help
improve the ESP's WiFi reliability and responsiveness. This will cause WiFi devices in power
save mode, such as the ESP, to be woken up more frequently. This may improve things for the ESP,
although it may also increase power (and possibly battery) usage of other devices also using power
save mode.
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