I decided to do this project because I wanted a small but vary bright flashlight, so that I could use to use up all the old smoke detector 9V batterys. I change them every New year so I have a good supply of half dead batterys. This is what I came up with 3 white LEDs a chunk of pc board and a top to a 9V battery and some hot glue and some solder.
Bitcoin Basics: What You Need to Know – Epi-3613
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Today we discuss Bitcoin in a way that even the newest folks can
understand. If you’ve been on the fence about getting started or just stuck
a toe in and f...
3 hours ago