What unique or lesser-known smart home devices do you own … Share your finds

Smart Home Forum
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I used to have an advanced doorbell system that would greet visitors with a message. On Halloween, it would play spooky sounds. These days, I mostly use it to control lighting.

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I built a device that monitors the temperature of my water heater. If it drops below a certain threshold, it alerts me so I can avoid cold showers. Here’s how I did it: Nie mehr kalt duschen… – Froetz Bastelkeller

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@Alice
Interesting! I set my heater to a maximum of 45 degrees Celsius to prevent lime buildup.

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Seth said:
@Alice
Interesting! I set my heater to a maximum of 45 degrees Celsius to prevent lime buildup.

We use district heating, so I can’t adjust the temperature that much. It’s been working well for us.

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@Alice
You seem to have found a good balance. Nice setup!

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Seth said:
@Alice
Interesting! I set my heater to a maximum of 45 degrees Celsius to prevent lime buildup.

Be cautious with lower temperatures; it could increase the risk of legionella bacteria growth.

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@Kimberly
We’ve taken precautions, and it’s not an issue with our setup.

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I connected an ESP32 to a relay to automate my fan using SinricPro with Alexa. It’s been a lifesaver during the hot summers here.