Sometimes it’s necessary to make do with whatever parts one has on hand, but the results of squashing a square peg into a round hole are not always as elegant as [Juan Gg]’s programmable DC ...

Read more: 35 Genius Gifts That Travelers Will Actually Use The next time you get sucked into a DIY online hack, take a moment to evaluate who created the video. Is it a trusted expert in their ...

If you’re testing a power supply or battery pack, an electronic load is a nice tool to have. By watching the voltage as you crank up the resistance, you can verify the unit’s real-world ...