A red LED torch is essential for preserving your dark adapted vision at night allowing you to read star charts as well as setup and take down your accessories safely. The red wavelength is specific to ...

The next screen allows us to decide if we want Circuit Wizard to place components for us. This can be useful sometimes, but most of the time, it won't do as nice a job as a human can.

Using a piece of black construction paper, measure out approximately 6″ x 6″ square. Line the top with a strip of tin foil approximately 1.5″ wide. The tin foil helps reflect the light to make it ...