This handy electronics tutorial will teach you all about one of the most important electronic components: the linear voltage regulator. You'll learn how they work, how to wire them, where to find them, and how to make an awesome 5V USB charger to use your newfound skills.
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10 Unique & Practical Ways to Repurpose Your Old Hard Disk Drives
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Make your own DIY film projector
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Make a Working Speaker Using Only a Magnet, Wire, and Masking Tape
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Build a simple carboard magnet generator
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Quick-N-Dirty Circuit Board Repair: How to Patch Faded or Corroded Traces with Pencil Lead
How To:
Customize Your Wireless Doorbell to Play Any Sounds You Want
How To:
Hack a WiFi USB Adapter for Better Reception
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Make a PVC Hand Pump to Move Water, Compress Air, & Create Vacuum
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How To:
Make a Super Cheap One-Way Check Valve
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