Here is all the information about our project. If you need any more information or diagram just let me know.
First, the video:
Abstract:
According to Erica Goode in The New York Times in January 12, 1999 parents face a big struggle when they try to help their kids to learn how to use the toilet and control their bladder. Thus, parents need a new inexpensive technique able to help them to overcome this dilemma. Finding a new tool to facilitate this issue becomes urgent. The ITOI (Interactive TOIlet), is a new device that has the basic interactive components to help kids learning and feeling happy when using the toilet. ITOI is a reduced version of the toilet lid that can detect the presence of a kid sitting on it, reacting to his actions. The interaction is composed of four stages: (1) LEDs that show the status of the ITOI; (2) Action sensors that detect any deposit from the kid; (3) Musical response as a reaction to the success after using the ITOI; and (4) the hand-shaking and paper-dispensing arms as the final stage of success. That’s simply the ITOI2009, a reinvention of the traditional toilet!
ITOI Scenario: Miranda and her 2 year-old daughter Linda
- Linda sits down on the ITOI.
- The red LED goes on, and then the ITOI is waiting.
- When Linda uses the ITOI and she deposits something in the toilet, the yellow LED goes on to give Miranda an indication that her daughter is using the toilet now.
- Then the music starts "If you are happy and you know it clap your hands….."
- The Hand-Shaking Arm rotates to shake Linda’s hand.
- Then the Paper-Dispensing Arm appears providing Linda with a piece of paper.
- Both the HSA and PDA will return back to their original positions.
- Finally the green LED goes on indicating Miranda that Linda has finished.
What are the 'ITOI' Hardware components?
2- Presence sensor: a distance measuring sensor unit from Sharp (Part no. GP2Y0D810Z0F).
3- “Action” sensors: in order to be able to detect the passing of objects through the lid, several pairs of Infrared Emitting Diodes and Photo-sensors.
4- Action signals: This arrangement of color LEDs acts as a traffic light, indicating the status of the ITOI.
5- The Hand-Shaking Arm (HSA): the arm that controls the HSA is attached to a servomotor that changes its position depending on the actions of the kid.
6- Paper-Dispensing Arm (PDA): this device is controlled in a similar way to the HSA.
7- Control Box: This box will contain the control box (Arduino+Motor Shield) and all the additional electronics required to make the rest of the components work. Furthermore, a music box and the built-in speakers are placed in this Control Box.
Code:
//////////////////////////////////////////////////////////////////////////
// //
// ITOI: The Interactive TOIlet for kids //
// //
// Tarek Mokhtar and Ivan Siles //
// //
// Project #1 - Architectural Robotics (Arch879/ECE893) //
// //
// Spring 2009 //
// Clemson University, Clemson, SC //
// //
//////////////////////////////////////////////////////////////////////////
// Declare all the IN/OUT pin variables
int Action1 = 2; // Action sensors (Digital Inputs 2-4)
int Action2 = 3;
int Action3 = 4;
int Presence = 6; // Presence sensor (Digital Input 6)
int Music = 7; // Music box (Digital Output 7)
int Red = 11; // Red LEDs (Digital Output 11)
int Yellow = 12; // Yellow LEDs (Digital Output 12)
int Green = 13; // Green LEDs (Digital Output 13)
int Paper = 9; // Paper-Dispensing Arm Servo
int Shake = 10; // Hand-Shaking Arm Servo
// Declare own variables
int Pres = 0;
int Action = 0;
int presence = 0;
int A1 = 0;
int A2 = 0;
int A3 = 0;
int Time_Paper = 0;
int Time_Shake = 0;
//**********************************************************************//
// //
// VOID SETUP: Configure board pins //
// //
//**********************************************************************//
void setup() {
pinMode(Presence,INPUT); // Presence Sensor: INPUT
pinMode(Action1,INPUT); // Action sensors: INPUT
pinMode(Action2,INPUT);
pinMode(Action3,INPUT);
pinMode(Music,OUTPUT); // Music box: OUTPUT
pinMode(Red,OUTPUT); // Action Signals (LEDs): OUTPUT
pinMode(Yellow,OUTPUT);
pinMode(Green,OUTPUT);
pinMode(Paper,OUTPUT); // Servomotors (Motor Shield)
pinMode(Shake,OUTPUT);
} // Close void setup
//**********************************************************************//
// //
// VOID LOOP: Main program //
// //
//**********************************************************************//
void loop() {
digitalWrite(Red,LOW); // Make sure all LEDs are OFF
digitalWrite(Yellow,LOW);
digitalWrite(Green,LOW);
while (presence == 0) { // If no kid, keep updating sensor
Pres = digitalRead(Presence); // Read from presence sensor
if (Pres==LOW){
presence=1;
}
else {
presence=0;
}
} // Close while
digitalWrite(Red,HIGH); // If kid detected, Red light ON
while (Action == 0) { // If no action from kid, update sensors
A1 = digitalRead(Action1);
A2 = digitalRead(Action2);
A3 = digitalRead(Action3);
if (A1==HIGH || A2==HIGH || A3==HIGH) {
Action = 1; // If action detected
} // Close if
else {
Action = 0;
} // Close else
} // Close while
digitalWrite(Red,LOW); // Red light OFF
digitalWrite(Yellow,HIGH); // Yellow light ON
digitalWrite(Music,LOW);
delay(100);
digitalWrite(Music,HIGH); // Music ON
delay(100);
digitalWrite(Music,LOW); // Only pulse is required
// Activate Hand-Shaking Arm (HSA)
for (Time_Shake = 0; Time_Shake <= 15; Time_Shake++) { // 90 degrees approx.
digitalWrite(Shake,HIGH);
delayMicroseconds(1400); // 1.4ms CLOCKWISE
digitalWrite(Shake,LOW);
delay(20); // 20ms
}
delay(12000); // Wait 12 seconds (song)
// Activate Paper-Dispensing Arm (PDA)
for (Time_Paper = 0; Time_Paper <= 17; Time_Paper++) { // 90 degrees approx.
digitalWrite(Paper,HIGH);
delayMicroseconds(1600); // 1.6ms COUNTER-CLOCKWISE
digitalWrite(Paper,LOW);
delay(20); // 20ms
}
delay(5000); // Wait 5 seconds
digitalWrite(Yellow,LOW); // Yellow light OFF
digitalWrite(Green,HIGH); // Red light ON
// Deactivate both arms
for (Time_Paper = 0; Time_Paper <= 7; Time_Paper++) {
digitalWrite(Paper,HIGH);
delayMicroseconds(1400); // 1.4ms CLOCKWISE
digitalWrite(Paper,LOW);
delay(20); // 20ms
}
for (Time_Shake = 0; Time_Shake <= 7; Time_Shake++) {
digitalWrite(Shake,HIGH);
delayMicroseconds(1600); // 1.6ms COUNTER-CLOCKWISE
digitalWrite(Shake,LOW);
delay(20); // 20ms
}
while (1) { // Infinite loop
} // Close while
} // Close void loop
Electric Diagrams:
1 - Action sensors:
R1-R3 100-Ohm resistors
D1-D3 IR LEDs
R4-R6 10-kOhm resistors
Q1-Q3 Photo transistors
2 - Action lights:
R7-R12 150-Ohm resistors
D4-D5 Red LEDs
D6-D7 Yellow LEDs
D8-D9 Green LEDs
3 - Music-activating circuit:
R13 10-kOhm resistor
Q4 2N2222 General Purpose Transistor
A-B Terminals to the music box
4 - Presence sensor:
R14 10-Ohm resistor
C1 22 nF electrolytic capacitor
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