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Hack a fridge

Liebherr sells a "SmartDeviceBox" for their fridges to get online. How does ist work? Can we get some data? Can we reengineer this?

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KaijitsuTakahashi wrote 10/16/2024 at 16:58 • point

Liebherr provided the local API for all devices with a smart device box. Communication with the device was working. Then, they turned off this feature, saying it is only for business devices, not for consumers. After I emailed them, they added a note on their website that it is only for business devices. This is how support solves problems. They announced that they plan to create an API for customers through the cloud. So, they have an API but want to create a new one. Genius! https://developer.liebherr.com/apis/smartmodule-localapi/swagger-ui/

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bato2000 wrote 09/17/2024 at 10:30 • point

I am also interested in this project. but I don't have a smartdevice box

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Przemek wrote 08/24/2024 at 15:47 • point

i think this can be regular UART (bidirectional) as Smart module based on ESP32 only. 

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Georgi Kostadinov wrote 12/22/2021 at 18:31 • point

It is very unusual that two power voltages are present, in practice 3.3v is quite enough.

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jan.sykora wrote 09/21/2021 at 10:47 • point

I've checked / traced the pins and seems to be +3V, DATA (3V pull-down), GND and 12V

Tried the 1-wire protocol, but no success...

Does anybody has access to the Smartdevicebox device? What protocol is used for the DATA line?

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