Example for ASTRA modules:

With Automatization:

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Without Automatization

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WiFi status LED

The status_led hooks into all ESPHome components and can indicate the status of the device. Specifically, it will:
Blink slowly (about every second) when a warning is active. Warnings are active when for example reading a sensor value fails temporarily or the WiFi/MQTT connections are disrupted.
Blink quickly (multiple times per second) when an error is active. Errors indicate that ESPHome has found an error while setting up. In most cases, ESPHome will still try to recover from the error and continue with all other operations.
Stay off otherwise.

https://esphome.io/components/status_led.html?highlight=wifi+status

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Buzzer

Configure Piezo Buzzer

https://esphome.io/components/output/ledc.html?highlight=buzzer

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