Monitor your freezer with your iphone, PC.....
![321](https://cdn.xingosoftware.nl/elektormagazine/no-image-labs.png)
Alert a small box with a Bluetooth Low Energy NTC resistance (inside the freezer) !!! What do you think? A Windows sending an email application?
Alert a small box with a Bluetooth Low Energy NTC resistance (inside the freezer) !!! What do you think? A Windows sending an email application?
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