How to Repair Dodgy or Broken Headphones
The Electronic Peasant's Guide to Fun and Profit with Electronic...
How electret microphones work
Make a power saving plug.
Top 10 Essential DIY Skills That Aren't as Hard as You Think...
We feature a lot of do-it-yourself projects here at Lifehacker, but oftentimes they seem undoable because they require a skill you don't have. Thankfully, there are quite a few DIY skills out there that are much easier to learn than you think.