LED Flashlight

Build this simple flashlight with a battery, resistor, and an LED!

Two photo of the finished flashlight. Top: the hand is not touching the switch, and the light is off. Bottom: The hand is squeezing the paperclip switch and the light is on.

Here’s what’s inside (an older version that used two LEDs)

A photo of the inside of the flashlight.

Illustrated Instructions (PDF)

Powerpoint Presentation (in English) using pre-cut boxes

Instrucciones Para La Linterna LED (español)

Powerpoint Presentation in Spanish

Template to make your own flashlight box from a cereal box