@pkvi - Simone Slouchy

Simone Slouchy

After several dismissive attempts (3) -- we have haphazardly weaved together an Arduino Uno with cardboard, ultrasonic sensor, servo(s) and stepper(s) to remind, pester and intolerant your posture.

This project was hobbled together as a slight against the current incarnation of the maker community that at one time had been invested in improving humanity -- now succumbed to vanity and novelty. This project demonstrates that even with little to nothing applied, useless can harbor solution. Plaguing social venues with the antithesis breeds a consequence of evolutionary latency.

Ingredients
1. Arduino Uno
2. Stepper Motor (28BYJ-48)
3. Stepper Driver (ULN2003)
4. Ultrasonic Sensor (HC-SR04)
5. (2) Servos (High Torque)
6. Cardboard
7. Spite

Notations
1. 28BYJ-48 are cheap bcz they are in fact, rubbish -- do not be fooled by reviews documenting "high torque" and "power" bcz they fail to mention they only used these stepper motors to propel insignificantly sized wheeled robots a few paces before over heating and seizing.
2. Per my review above (Notation 1) may I suggest the alternative of either the purchase of or the modification of a servo to operate at 360 degree rotation.
3. A modified version of this code applied distance reference to alter the position of the shoulder servo relative to the actual distance of the sloucher -- due to impatience, disinterest and coherence of my typical distance, the code is commented but easily accessible.

Slouchy Codey

// Simone Slouchy (3)
// Vije Miller

#include <Servo.h>
#include <Stepper.h>

// Hand
const int stepsPerRevolution = 64;
Stepper hander(stepsPerRevolution, 19, 17, 18, 16);
// Shoulder
Servo shoulder;
// Elbow (
Servo elbow;

// Sensor
#define trigPin 2
#define echoPin 3

// Servo Position
int pos = 30;

// What Action Next?
int state = 0;

// Distance Adjust (Version 2)
// int newdis = 0;

// Serial For  Testing
char incom = 0;

void setup() {
  Serial.begin(9600);
  shoulder.attach(12);
  elbow.attach(5);
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  // Set Start Position (Servo)
  shoulder.write(15);
  elbow.write(30);
  // Stepper Starts 0
}

void loop() {

  // Sensor Sequence
  long duration, distance;
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  duration = pulseIn(echoPin, HIGH);
  // Centimeter Conversion
  distance = (duration / 2) / 29.1;
  // Print for Testing
  Serial.print(distance); Serial.println(" cm");

  // IF Slouching || > 5cm
  // But Not NOT In Chair || < 40cm
  if (distance > 5 && distance < 40) {
    if (state == 0) {
      tap();
      // Change State
      state = 1;
    }
    else if (state == 1) {
      grab();
      state = 2;
    }
    else if (state == 2) {
      assault();
      // Reset
      state = 0;
    }
  }
  delay(5000);

  // Serial For Testing
  //  if (Serial.available() > 0) {
  //    incom = Serial.read();
  //    if (incom == '1') {
  //      tap();
  //    }
  //   else if (incom == '2') {
  //      grab();
  //    }
  //    else if (incom == '3') {
  //      assault();
  //    }
  //  }

  // Reset Value (Else)
  incom = 0;
}

void tap() {
  // Map Distance for Extension (Coming Soon)
  // newdis = map(distance, 5, 20, 70, 110);

  // Extend Shoulder and Forearm
  // Open Hand
  for (int i = 0; i <= 600; i++) {
    hander.step(-1);
    Serial.println("Open");
  }
  for (pos = 15; pos <= 30; pos += 1) {
    shoulder.write(pos);
    delay(20);
  }
  for (pos = 30; pos <= 90; pos += 1) {
    shoulder.write(pos);
    elbow.write(pos);
    delay(20);
  }
  for (pos = 90; pos <= 145; pos += 1) {
    elbow.write(pos);
    delay(20);
  }
  for (pos = 90; pos <= 110; pos += 1) {
    shoulder.write(pos);
    delay(20);
  }
  delay(1000);
  // Tap
  for (pos = 145; pos >= 110; pos -= 1) {
    elbow.write(pos);
    delay(10);
  }
  for (pos = 110; pos <= 145; pos += 1) {
    elbow.write(pos);
    delay(10);
  }
  for (pos = 145; pos >= 110; pos -= 1) {
    elbow.write(pos);
    delay(10);
  }
  for (pos = 110; pos <= 145; pos += 1) {
    elbow.write(pos);
    delay(10);
  }
  // Fold Back
  for (pos = 110; pos >= 70; pos -= 1) {
    shoulder.write(pos);
    delay(50);
  }
  delay(750);
  for (pos = 145; pos >= 70; pos -= 1) {
    elbow.write(pos);
    delay(20);
  }
  for (pos = 70; pos >= 30; pos -= 1) {
    shoulder.write(pos);
    elbow.write(pos);
    delay(30);
  }
  for (pos = 30; pos >= 15; pos -= 1) {
    shoulder.write(pos);
    delay(30);
  }
  for (int i = 0; i <= 600; i++) {
    hander.step(1);
    Serial.println("Close");
  }
}

void grab() {
  // Open Hand
  for (int i = 0; i <= 600; i++) {
    hander.step(-1);
    Serial.println("Open");
  }
  for (pos = 15; pos <= 30; pos += 1) {
    shoulder.write(pos);
    delay(20);
  }
  for (pos = 30; pos <= 90; pos += 1) {
    shoulder.write(pos);
    elbow.write(pos);
    delay(20);
  }
  for (pos = 90; pos <= 145; pos += 1) {
    elbow.write(pos);
    delay(20);
  }
  for (pos = 90; pos <= 110; pos += 1) {
    shoulder.write(pos);
    delay(20);
  }
  delay(1000);
  // Close Hand
  for (int i = 0; i <= 250; i++) {
    hander.step(1);
    Serial.println("Close");
  }
  // Lower On Sloucher
  for (pos = 145; pos >= 115; pos -= 1) {
    elbow.write(pos);
    delay(30);
  }
  // Pull Back
  for (pos = 115; pos >= 80; pos -= 1) {
    shoulder.write(pos);
    elbow.write(pos);
    delay(30);
  }
  // Open Hand
  for (int i = 0; i <= 250; i++) {
    hander.step(-1);
    Serial.println("Open");
  }
  // Extend Forearm
  for (pos = 80; pos <= 145; pos += 1) {
    elbow.write(pos);
    delay(30);
  }
  // Fold Back
  for (pos = 80; pos >= 50; pos -= 1) {
    shoulder.write(pos);
    delay(40);
  }
  for (pos = 145; pos >= 50; pos -= 1) {
    elbow.write(pos);
    delay(30);
  }
  for (pos = 50; pos >= 30; pos -= 1) {
    elbow.write(pos);
    shoulder.write(pos);
    delay(40);
  }
  for (pos = 30; pos >= 15; pos -= 1) {
    shoulder.write(pos);
    delay(40);
  }
  // Close Hand
  for (int i = 0; i <= 600; i++) {
    hander.step(1);
    Serial.println("Close");
  }
}

void assault() {
  for (int i = 0; i <= 600; i++) {
    hander.step(-1);
    Serial.println("Open");
  }
  for (pos = 15; pos <= 30; pos += 1) {
    shoulder.write(pos);
    delay(20);
  }
  for (pos = 30; pos <= 90; pos += 1) {
    shoulder.write(pos);
    elbow.write(pos);
    delay(20);
  }
  for (pos = 90; pos <= 145; pos += 1) {
    elbow.write(pos);
    delay(20);
  }
  for (pos = 90; pos <= 110; pos += 1) {
    shoulder.write(pos);
    delay(20);
  }
  delay(1000);
  for (int i = 0; i <= 250; i++) {
    hander.step(1);
    Serial.println("Close");
  }
  for (pos = 145; pos >= 115; pos -= 1) {
    elbow.write(pos);
    delay(30);
  }
  for (pos = 115; pos >= 60; pos -= 1) {
    shoulder.write(pos);
    elbow.write(pos);
    delay(30);
  }
  for (int i = 0; i <= 250; i++) {
    hander.step(-1);
    Serial.println("Open");
  }
  for (pos = 60; pos <= 80; pos += 1) {
    elbow.write(pos);
    delay(30);
  }
  delay(1500);
  for (pos = 60; pos <= 80; pos += 1) {
    shoulder.write(pos);
    delay(20);
  }
  for (pos = 80; pos <= 115; pos += 1) {
    shoulder.write(pos);
    elbow.write(pos);
    delay(5);
  }
  for (pos = 115; pos <= 135; pos += 1) {
    elbow.write(pos);
    delay(5);
  }
  delay(500);
  for (pos = 115; pos >= 80; pos -= 1) {
    shoulder.write(pos);
    delay(10);
  }
  for (pos = 135; pos <= 80; pos += 1) {
    elbow.write(pos);
    delay(30);
  }
  for (pos = 80; pos >= 30; pos -= 1) {
    shoulder.write(pos);
    elbow.write(pos);
    delay(40);
  }
  for (pos = 30; pos >= 15; pos -= 1) {
    shoulder.write(pos);
    delay(40);
  }
  for (int i = 0; i <= 600; i++) {
    hander.step(1);
    Serial.println("Close");
  }
}

Archive
https://hackaday.io/project/16247-simone-slouchy

20:57:21 27-017

5:20:29 191 019

Vije [vi-jə-]

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