I work a lot in my garage or in the garden, so it happens pretty often that I just don't hear my doorbell. So I made a smart one.
Overfreezing you fridge is not good for your food and power saving, with this fridge monitor, you will always know the temperature in there.
Monitor your workspace or your home with this simple solution that sends all the data by radio so you can work with them.
Have your eggs always perfectly boiled just as you like them. With this solution that is simple and customizable.