Adventures with FluffyAdventures with Fluffy

Betty Yang & Amy WannerBetty Yang & Amy Wanner

Where did the idea come Where did the idea come from?from?

Betty needed to send a letter.Betty needed to send a letter. She didn’t have a stampShe didn’t have a stamp Wanted a machine to do itWanted a machine to do it

The VisionThe VisionWhat we wanted from our robotWhat we wanted from our robot

The machine would take the The machine would take the envelope and roll it down a trackenvelope and roll it down a track

A stamp would press down A stamp would press down The letter would roll out with a The letter would roll out with a

stamp in the right spotstamp in the right spot On the back of the envelope it On the back of the envelope it

would print: I Uwould print: I U

Time to buildTime to buildLet’s simplifyLet’s simplify

Instead of rolling the letter through, Instead of rolling the letter through, place it on a steady bottom piece.place it on a steady bottom piece.

Instead of pressing the stamp down, Instead of pressing the stamp down, roll it onto the letterroll it onto the letter

The bottom is an incline while the The bottom is an incline while the roller is horizontalroller is horizontal– The stamp only touches the right cornerThe stamp only touches the right corner

Problems We Ran IntoProblems We Ran Into Balancing the roller on a rackBalancing the roller on a rack Finding how much of an incline we Finding how much of an incline we

needneed ProgrammingProgramming Placing the stampPlacing the stamp

““OK, chill out. This is not the end of the OK, chill out. This is not the end of the world. Let’s take a deep breath, nice and world. Let’s take a deep breath, nice and slow, and then count from one to ten…” slow, and then count from one to ten…”

~Mambi~Mambi

SolutionsSolutions Two axels go straight across to give Two axels go straight across to give

support guides on each side to keep support guides on each side to keep it straight and balanced.it straight and balanced.

Built up the incline until it was at the Built up the incline until it was at the right level.right level.

Changed motor’s power levels and Changed motor’s power levels and timestimes

Test the stamp roller and mark the Test the stamp roller and mark the spot where it would touchspot where it would touch

Use just enough tape to keep the Use just enough tape to keep the stamp secure, but able to stick to stamp secure, but able to stick to the letterthe letter

A Little Chat With PiggyA Little Chat With Piggy

BettyBetty: What are you doing in our : What are you doing in our picture, little piggy?picture, little piggy?

PiggyPiggy: Oh, well…I just …you know… : Oh, well…I just …you know… hanging out with you guys, and sharing hanging out with you guys, and sharing the fun with Robot Fluffy.the fun with Robot Fluffy.

BettyBetty: So…are you joining us?: So…are you joining us?

PiggyPiggy: Yeah! Sure, why not? I mean…I : Yeah! Sure, why not? I mean…I would love to.would love to.

BettyBetty: OK. Cool…We’ll make your : OK. Cool…We’ll make your dreamdream come truecome true..

Piggy’s OperationPiggy’s Operation

Connect gears to a second motor Connect gears to a second motor to make an “elevator lift”to make an “elevator lift”

Piggy is attached to the gear Piggy is attached to the gear The motor rotates up and down The motor rotates up and down

placing a piggy stamp in the left placing a piggy stamp in the left cornercorner

The Final ProgramThe Final Program

A Little A Little Confusing?Confusing?

How it WorksHow it Works The roller goes across placing the stamp on the The roller goes across placing the stamp on the

envelopeenvelope It hits the touch sensor, stops and plays a little It hits the touch sensor, stops and plays a little

song. song. – ““thong -tho-thong-thong-thong!” thong -tho-thong-thong-thong!”

~Mambi~Mambi The Second motor turns, stamping the pig down The Second motor turns, stamping the pig down

and bringing it back upand bringing it back up Light turns on to let you know it’s all doneLight turns on to let you know it’s all done Take your letter out, it’s ready,Take your letter out, it’s ready,

– Hope you don’t have “fatty hands”Hope you don’t have “fatty hands”

Check Out Our WebsitesCheck Out Our Websites

Betty=http://cs.smith.edu/~100e-ag/Betty=http://cs.smith.edu/~100e-ag/firstpage.htmfirstpage.htm

Amy=http://cs.smith.edu/~100e-aj/Amy=http://cs.smith.edu/~100e-aj/firstpage.htmfirstpage.htm