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 ...

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 ...

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 ...

Thanks for subscribing! Look out for your first newsletter in your inbox soon! The best things in life are free. Sign up for our email to enjoy your city without spending a thing (as well as some ...

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 ...

The complexities associated with the use of solders in electronic products. What’s the alternative to solder? A long-standing adage observes that “if the only tool in your tool chest is a hammer, the ...