This Machine is designed and Created by Rena Wu 吳睿欣 9D

the LED Breathing Helper could help people who suffer from breathing problems to feel better. When people are having a problem of breathing, they could easily turn on this machine and return to their normal breathing habits.

Guidelines:

Follow the light
When the blue light struck; you breath in for a whole second
After a second, the green light will be struck; then you breathe out for a whole second
Finish the whole circuit
Continue if needed

Supplies

Materials:

Blue led x4
Green led x4
Resister x4
15cm wire x5
10cm wire x4
Arduino Leonardo with breadboard
USB plug

Step 1: Circuit Guidelines

Step 2: Code Attachment

void setup()

{

Serial.begin(9600);

pinMode( 7 , OUTPUT);

}

void loop()

{

Serial.print(analogRead( A0 ));

Serial.print(" ");

Serial.println();

if (( ( analogRead( A0 ) ) < ( 600 ) ))

{

digitalWrite( 7 , HIGH );

}

else

{

digitalWrite( 7 , LOW );

}

Step 3: Lets Begin Building

How to make:

Gather materials
Follow the circuit guidelines previously
Write the code attached
Plug in the USB plug
Make sure it works

Step 4: To Hold the Machine

Find any box that could contain the breathing helper, if not…

Packaging: Find large cardboard, to cut the followings...

(20cm x5cm) x2 length
(15cm x5cm) x2 width
(20cm x15cm) x1
A4 paper or colored paper (need to cut a rectangle if colored to show light)

For COLORED PAPER ONLY: cut 15cm x5cm from colored paper, and find a plain white paper to cut 15cm x5cm to fill the hole

Step 5: Packaging

Use tape to stick width and length together.

Step 6: Packaging

1. Form a right angle

2.Stick the two right angle together to form a rectangle

Step 7: Packaging

Stick base underneath the cardboard rectangle

Step 8: Packaging

Fold the paper into a lid for the container for the machine

Step 9: Packaging