DIY Advanced Arduino Colloidal Silver Generator

1// Arduino DC motor speed and direct control
2#include <LiquidCrystal.h>
3LiquidCrystal lcd(12, 9, 5, 4, 3, 2);
4
5#define pot      0
6#define pwm1     10
7#define pwm2    11
8
9boolean direct = 0;
10int current;
11int Shutdown=0;
12int mA = 0;
13int hours;
14int minutes;
15int seconds;
16long hour = 3600000; // 3600000 milliseconds in an hour
17long minute = 60000; // 60000 milliseconds in a minute
18long second = 1000; // 1000 milliseconds in a second
19
20void setup() {
21  lcd.begin(16, 2);
22 
23  pinMode(pwm1,   OUTPUT);
24  pinMode(pwm2,   OUTPUT);
25}
26
27void loop() {
28  lcd.clear();
29  lcd.setCursor(0,0);
30  lcd.print("Coloidal I=mA ");
31  lcd.print(mA);
32  long timeNow = millis();
33  hours = (timeNow) / hour;             
34  minutes = ((timeNow) % hour) / minute ;
35  seconds = (((timeNow) % hour) % minute) / second;
36  lcd.setCursor(0, 1);
37  lcd.print("T:");
38  lcd.print(hours);
39  lcd.print(":");
40  lcd.print(minutes);
41  lcd.print(":");
42  lcd.print(seconds);
43 
44  
45  current = analogRead(pot) / 4;
46  mA=map(current, 0,255,0,10);
47
48  
49  if(direct)
50    analogWrite(pwm1, current);
51  else
52    analogWrite(pwm2, current);
53
54  direct=!direct;
55    
56   if(minutes>=0 && minutes<30){
57     digitalWrite(pwm1, 0);
58    lcd.setCursor(10,1);
59    lcd.print("P:+/-"); 
60    
61}
62   if( minutes>=30 && minutes<59){
63      digitalWrite(pwm2, 0);
64    lcd.setCursor(10,1);
65    lcd.print("P:-/+");       
66  }
67
68  
69  if(hours>=3){
70   digitalWrite(pwm1, 0);
71   digitalWrite(pwm2, 0);
72    lcd.setCursor(10,1);
73    lcd.print("END");    
74 
75   } 
76    delay(100);
77
78 }