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When it touches just one side, it will be off. When the foil on the cylinder touches both pieces on the cardboard, the circuit will turn on.

Bend the paper clip to capture the cylinder.

Insert a straightened paper clip through the cylinder and the hole.

Glue foil to 50%–75% of the inside and outside of the lower edge of the cylinder.

Be sure the two pieces do not touch in the center.

Use glue stick to attach aluminum foil to each side of a cardboard brick.

Push the paper clip down to close the switch and turn your LED on.Ī creative use of the tea light cylinder body.

After it is clipped, bend the paper clip up slightly so it’s not touching the other arm.

Use a second binder clip to hold the paper clip in place.

Lay a paper clip perpendicular over the binder clip arm.

Clip one binder clip to a cardboard brick.

Momentary switches turn on when pushed down. When you lift the arm, it turns the circuit off.

When you flip the opposite arm down, it completes the circuit (turns on).

It should not touch the other binder clip.

Clip two binder clips to opposite sides of a brick.

It operates just like a toggle light switch.

Clip the opposite leg and label it (–).

Clip a binder clip around the longer LED leg and the cardboard.

Of the Core Bricks, this is the only load, or item that consumes electricity. This makes lighting the LED easier later.

Label each clip positive (+) or negative (–) based on which side of the battery it touches.

Clip a second binder clip over the battery.

Place the battery on top of the clip arm with the smooth, positive (+) side down.

Trim the opposite side of the cardboard slightly longer than the extended arm.

Clip a binder clip to one side of a rectangle of cardboard (a “brick”).The power source for your Scrappy Circuits. For a simple demonstration of how electricity travels, make the LED legs straddle the battery, with the long leg touching the positive (+) side. You’ll use three parts: the LED, battery, and cylinder body. Open the battery compartment, remove the 3V coin cell battery, and pry the base/LED holder apart from the outer cylinder body. Anyone with access to office supplies and a dollar store can make the five Core Bricks for about $1. Educators can build it with their class for about $20. What began as an exploration of DIY switches ended later as a self-made invention system sourced from a fifty-cent LED tea light. I first developed Scrappy Circuits with Chris Connors and Eva Luna while working at Xraise, an education outreach program at Cornell University. Scrappy Circuits is the perfect way to get started. The next step is to take apart a dollar store item and make it better - combine two items, replace a switch, create something new and unique. Learning how a handheld fan, LED light, remote control, or headphones work will help show how wind turbines, traffic lights, speakers, keyboards, and other modern devices function. The best dollar you can spend on a child’s STEAM education is to take them to the dollar store, buy an electronic item, and then take it apart. Graphics and More to Help Spread the Word

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#Cetus3d extended reviews makezine free#

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