For the article "Best Smart Light Switches That Don't Require A Neutral Wire in 2020" (https://www.androidcentral.com/best-smart-light-switches-dont-require-neutral-wire), it states:
> There's a reason why almost every smart switch needs a neutral wire attached.
>
> Smart switches that work without a neutral wire need to connect through a bridge or hub because of the programming — things like your wireless network details and login — are stored in the hub and not a microcontroller inside the switch.
This kind of implies that it is a programming necessity, which it is not. This could be done using an EEPROM on the device itself. AFAIKT, a hub is merely a control gateway which tells the devices what to do, similar to the cloud server used by those devices that don't require a hub. Is this correct?
> There's a reason why almost every smart switch needs a neutral wire attached.
>
> Smart switches that work without a neutral wire need to connect through a bridge or hub because of the programming — things like your wireless network details and login — are stored in the hub and not a microcontroller inside the switch.
This kind of implies that it is a programming necessity, which it is not. This could be done using an EEPROM on the device itself. AFAIKT, a hub is merely a control gateway which tells the devices what to do, similar to the cloud server used by those devices that don't require a hub. Is this correct?
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