Designing a circuit to switch on a light at dusk and off at dawn is straightforward, and many such designs have been featured ...

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Common NIR light sources include a halogen lamp and LED ... circuit based on optical power feedback mainly consists of four parts: optical power feedback, comparative amplification, constant current ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

A nine-month-old boy was operated on at Civil Hospital after he swallowed an LED bulb from a toy. The boy was coughing incessantly for the past fortnight and also complained of pain in the chest.

With significant work from their team of postdoctoral and graduate student researchers, including Dong Hae Ho, Meng Jiang, and Ravi Tutika, the new circuit boards are recyclable, electrically ...

is an affordable colour changing bulbs work with Alexa, Google and Siri. Best Apple Homkit smart light The Nanoleaf Essentials LED Bulb (buy now) is a reasonably affordable colour changing bulb that ...

Thankfully, the majority of smart light bulbs are LED bulbs, so regardless of which product you choose, it'll likely do a great job of cutting down your energy consumption.

Yet they retain the strength and durability of traditional circuit board plastics—features rarely found together in a single material. The new material starts with a vitrimer, a dynamic polymer that ...