Arduino Aspects

/*

LCD Pins:

RS pin - pin 12

E pin - pin ~11

DB4 pin - pin ~5

DB5 pin - pin 4

DB6 pin - pin ~3

DB7 pin - pin 2

R/W pin - ground

VSS pin - ground

VCC pin to 5V

Force Senor Pin:

A5

Transistor/Motor Pin:

~6

LED Pin:

~10

*/

// LCD code (library and initialization of pins: RS, E, DB4, DB5, DB6, DB7)

#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void setup() {

// set up the LCD's number of columns and rows:

lcd.begin(16, 2);

// serial monitor

Serial.begin(9600);

// outputs of motor and LED

pinMode(6, OUTPUT);

pinMode(10, OUTPUT);

}

void loop() {

// initialize force senor variables

int fsrPin = 5;

int ForceRead;

int ForceReadmod;

// input sensor reading as variable and reduce by factor of 5

ForceRead = analogRead(fsrPin);

ForceReadmod = ForceRead/5;

// LCD screen displays word "force" and reading

lcd.setCursor(0, 0);

lcd.print("Force: ");

lcd.print(ForceReadmod);

// serial monitor data

Serial.print("Force value: ");

Serial.println(ForceReadmod);

// conditions for spinning motor and LED

// gradual increase in motor speed and LED brightness for increasing force

if (ForceReadmod < 10) {

analogWrite(6, 0);

analogWrite(10, 0);

}

else if (ForceReadmod < 20) {

analogWrite(6, 50);

analogWrite(10, 50);

}

else if (ForceReadmod < 30) {

analogWrite(6, 100);

analogWrite(10, 100);

}

else if (ForceReadmod < 40) {

analogWrite(6, 150);

analogWrite(10, 150);

}

else if (ForceReadmod < 50) {

analogWrite(6, 200);

analogWrite(10, 200);

}

else {

analogWrite(6, 255);

analogWrite(10, 255);

}

// repeat data collection every 0.5 sec

delay(500);

lcd.clear();

}