MCUs are ideal MQTT clients because the protocol is lightweight and designed for low-bandwidth, low-RAM environments.

[Brainiac75] is a fan of fiber optic lamps, except for one thing—they’re often remarkably dim. Thus, they set out to hack the technology to deliver terrifying amounts of light while still retaining ...

Many projects on these pages do clever things with video. Whether it’s digital or analogue, it’s certain our community can push a humble microcontroller to the limit of its capability. But sometimes ...

Spatial control of the phase and amplitude of a laser beam is useful for applications ranging from imaging and holography to interferometry and optical tweezers, reports Neil Savage. Digital spatial ...

Abstract: This paper characterizes the effect of RF over Fiber Optic (RFoF) Channel for long distance transmission of QPSK modulated RF signal at L Band. QPSK modulated signal ranging from 10 Mbps to ...

Chocolate or strawberry? Life or death? We make some choices quickly and automatically, relying on mental shortcuts our brains have developed over the years to guide us in the best course of action.

Learn the benefits and risks of options and how to start trading options Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Samantha (Sam) Silberstein, CFP®, CSLP®, ...

Trading for beginners can be exciting – and overwhelming. That’s why we’ve outlined everything you need to know for your trading journey, including how to trade stocks and forex trading for beginners.