Here is a simple but inexpensive inverter for using a small soldering iron (25W, 35W, etc) In the absence of mains supply. It uses eight transistors and a few resistors and capacitors. Transistors Q1 ...

Element14, Farnell’s online community dedicated to engineering discussion and education, is supplementing classroom-based STEM with a free series of videos entitled ‘The Learning Circuit’. First ...

A set of tools like this can literally last a lifetime. They fit into a convenient pouch like a Klein Tools 5139. You can conquer the world with this kit! Everybody has individual tools that they like ...

Soldering to a PC board can be tricky: Too much heat can make the copper trace lift right off the board substrate. Use a soldering pencil rated at 15-25 watts, no more. (Watch the video; story ...

I've got a Bosch dishwasher that, like many Bosch dishwashers loves to melt the solder off the heater relay and requires repair every 12-18 months. (Bosch dishwasher engineers are completely ...

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We've got a feast for your eyes today, and it's some of the most mesmerizing footage we've seen through a microscope this year. Robert Feranec, a hardware design engineer and educator who runs an ...

Printed circuit boards (PCBs) have become the foundation of contemporary electronics, appearing in nearly all electronic equipment. The worldwide printed circuit board industry is continually ...