Why phone and laptop batteries explode - and 6 ways to protect yourself

A faulty lithium-ion battery is a serious hazard and can catch fire. Here's what to do if the unthinkable happens - and some tips for preventive care.

I skimped out and bought a $20 multimeter - it's now one of my best toolkit investments

The Neoteck 3-in-1 pen multimeter is a great choice for DIYers and amateur tinkerers, especially at its price.
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Fix your broken washer control board for cheap! How to use an ESR meter for board repair

Is it possible to repair a washer control board? YES! You may be surprised at the cost of repairing an appliance control ...