From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are techniques for everyone. Learn how to use metering, considering composition and shoot everything from ...

Here you can find some of the scripts I'm using for my Zibo 737 based homecockpit. There is a brief description in each file. Automatically connects/disconnects the ground power unit. beacon/anti ...

The Joule Thief Circuit is a simple and clever electronic design that can power an LED using a nearly dead battery.