how to make a free energy solar cell using led and transistors Republicans unveil health care plan to counter Democratic bid to extend ACA subsidies Drone video shows damage from flooding in ...

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 ...

The researchers’ custom near-infrared LED heating system activates SnOx nanoflakes that heat and neutralize cancer cells (green: live cells; red: cells killed by photothermal therapy). Credit: ACS ...

This article was created in partnership with Ulike to highlight the brand’s ReGlow LED Face Mask. All product information and usage instructions provided by Ulike. If you’re having trouble with acne ...

There are few beauty devices as popular as LED face masks right now. With versions that offer red light therapy (and in some cases, near-infrared and blue light modes), these devices promote a host of ...

Both LCD TVs and LED TVs have been on the market for many years. TV-size LCDs gained popularity in the mid-2000s, while LED TVs followed a few years later. The marketing departments for many companies ...

QLED and regular LED TVs are some of the most common TV technologies. While they are very similar in many ways, their main differences means their overall performance tends to be quite different.

Over the last decade, the open-source movement has not only transformed the world of software, but also catalyzed a sweeping revolution in hardware tinkering. At the heart of this shift lies a ...

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This paper describes the development and implementation of a control system for a direct current (DC) motor using the Arduino Uno microcontroller, based on the speed and direction control of the motor ...