A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...

When a transmitter sends a Wi-Fi signal and a receiver captures it after it passes through a person, the signal’s changes can ...

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...

If you’ve got a smart home, or you just want to know how soaked your garden is getting in the winter, you might want to measure rainfall. There are a bunch of ways to go about it, and this capacitive ...

We are all familiar enough by now with the succession of boards that have come from Raspberry Pi in Cambridge over the years, ...

This resource provides clear explanations of how switching regulators work and how voltage boosting is achieved efficiently ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

While fluorophore-biomacromolecule systems are relatively well known, afterglow luminophore-biomacromolecule conjugates/complexes are rarely studied. Here, the authors report the development of a ...

It's currently available for preorder at $30. Anker introduced a nifty little charger at CES, which is a refresh of the pre-existing Nano Charger. It costs $30 right now. If you want a wireless ...