Han Krewinkel
More ideas from Han
Girino - Fast Arduino Oscilloscope: 26 Steps (with Pictures)

I am a Physicist and the nicest part of working in this field is that I get to build my own instruments. With this way of thinking, I decided to build a homebrew.

Dark light sensor

Картинки по запросу transistor alarm circuits for beginners

DIY AUTOMATIC SOLAR CHARGE CONTROLLER                                                                                                                                                                                 More

Solar Powered LED String Lights, Waterproof Decorative Solar Fairy String Lights for Outdoor Garden Patio Fence Xmas Christmas Tree Decorations (Blue, 100 LEDs)

DIY Battery Lasts Forever - Homesteading - The Homestead Survival .Com

Learn how to make a diy battery lasts forever. Called a magnesium or Baghdad battery they are made with a magnesium rod and either a copper coil or a coppe