Play around with optics long enough and sooner or later you’re probably going to want a spectrometer. Optical instruments are famously expensive, though, at least for high-quality units. But a useful ...

Being the versatile single-board computer that it is, the Raspberry Pi can help you build all sorts of projects with all sorts of accessories. Throw in a camera, and you have a smart doorbell, ...

While off-the-shelf hardware has its uses, building it yourself lets you customize your designs and develop gear just for you. The 2023 All-In-One Raspberry Pi & Arduino Developer Bundle shows you how ...