Alien Projector
By Brian McNamara
You will need
LED green
Resistor 330R
Switch SPST panel mount
6" of wire
9V battery and battery clip
1¾" PVC pipe, 6½" long
6" balsa wood sheet, 6"×4"
2"×½" balsa wood stick, 4" long
Heat-shrink tubing optional
Saw
Wire cutters
Wire strippers
Sharp knife
Hot glue gun
Solder
Soldering iron
Download templates from: cdn.makezine.com/make/16/123_alien_template.jpg
This simple projector shines an image of an alien on the wall. It uses an LED as the light source and projects an image varying in size from a few inches to several feet. The simple circuit consists of only a battery, resistor, switch, and LED. ...
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