Door/Window sensor based on a design by MakerMeik but using different code to use the ESP-NOW protocol. Using ESP-NOW means that the connection and sending of the data packet takes around 500mS to ...

I don’t use my garage very often, but I am a pretty forgetful person. So it’s not uncommon for me to leave my garage door open all night, revealing its precious contents to passers-by. Thankfully I ...

This originally started as a university project, and I have continued to develop this idea in my spare time. This project is a smart door alarm for security in university accommodation and hotel rooms ...

A Hall sensor is a device which can detect the presence of a magnet based on its polarity. It is a transducer which generates a signal according to magnetic field present near it. Here we have used ...

Smart home technology is continuously evolving, with energy efficiency driving innovation. A standout project in the developer community is the Battery-Less Smart Door Sensor, a highly efficient ...

You don't have to spend a fortune on security -- DIY smart home security is affordable and effective with Aqara devices and other integrations. Aqara Door and Window ...

An air curtain is a machine that blows a controlled stream of air across an opening to the other side to create an air seal. The air curtain, also known as an air door or fly fan, is not the same as ...

I admire Roost's approach to smartening up the home one 9-volt battery at a time. The company's latest gadget looks a lot like the original Roost Smart Battery that fit into your smoke detector, ...