DIY Strobe

1#include <LiquidCrystal.h>
2// connections
3int ledPin = 13;
4const   int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
5
6unsigned long ontime   = 200;   // The time, the led is turned on in microseconds. The best is between   100 and 300 microseconds.
7unsigned long cycletime;
8
9int one;
10int ten;
11int   onehundred;
12int rps;
13int prevrps;
14unsigned long delayms;
15
16void setup()   {
17  pinMode(ledPin,OUTPUT);
18  pinMode(A5,INPUT);          // change these   to your potentiometer outputs
19  pinMode(A4,INPUT);
20  pinMode(A3,INPUT);
21   Serial.begin(9600);
22  LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
23  lcd.begin(16,2);
24   lcd.clear();
25
26  cycletime = ontime + 1000000;
27  delayms = micros()+(cycletime/rps);
28}
29
30void   loop() {
31  
32  one = map(analogRead(A3),0,1023,0,9);       // the math for   the delay
33  ten = map(analogRead(A4),0,1023,0,9);
34  onehundred = map(analogRead(A5),0,1023,0,20);
35   ten = ten*10;
36  onehundred = onehundred*100;
37  rps = onehundred+ten+one;
38   rps = rps+1;
39  if(prevrps != rps){
40  lcd.clear();
41  lcd.setCursor(5,0);
42   lcd.print("speed:");
43  lcd.setCursor(4,1);
44  lcd.print(rps);
45  Serial.println("rps");
46   }
47  
48  if(delayms < micros()){                     // the pulse
49  digitalWrite(ledPin,HIGH);
50   delayMicroseconds(ontime);
51  digitalWrite(ledPin,LOW);
52  delayms = micros()+cycletime/rps;
53   }
54}
55

1// connections
2int ledPin = 13;
3
4unsigned long ontime = 200;   // The time, the led is turned on in microseconds. The best is between 100 and  300 microseconds.
5unsigned long cycletime;
6
7int one;
8int ten;
9int  onehundred;
10int rps;
11unsigned long delayms;
12
13void setup() {
14  pinMode(ledPin,OUTPUT);
15  pinMode(A5,INPUT);          // change these to your potentiometer outputs
16  pinMode(A4,INPUT);
17  pinMode(A3,INPUT);
18  Serial.begin(9600);
19  cycletime  = ontime + 1000000;
20  delayms = micros()+(cycletime/rps);
21}
22
23void loop()  {
24  
25  one = map(analogRead(A3),0,1023,0,9);       // the math for the delay
26  ten = map(analogRead(A4),0,1023,0,9);
27  onehundred = map(analogRead(A5),0,1023,0,20);
28  ten = ten*10;
29  onehundred = onehundred*100;
30  rps = onehundred+ten+one;
31  rps = rps+1;
32  
33  Serial.print(rps);
34  Serial.println("rps");
35  
36  if(delayms < micros()){                     // the pulse
37  digitalWrite(ledPin,HIGH);
38  delayMicroseconds(ontime);
39  digitalWrite(ledPin,LOW);
40  delayms = micros()+cycletime/rps;
41  }
42}
43

1#include <LiquidCrystal.h>
2// connections
3int ledPin = 13;
4const  int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
5
6unsigned long ontime  = 200;   // The time, the led is turned on in microseconds. The best is between  100 and 300 microseconds.
7unsigned long cycletime;
8
9int one;
10int ten;
11int  onehundred;
12int rps;
13int prevrps;
14unsigned long delayms;
15
16void setup()  {
17  pinMode(ledPin,OUTPUT);
18  pinMode(A5,INPUT);          // change these  to your potentiometer outputs
19  pinMode(A4,INPUT);
20  pinMode(A3,INPUT);
21  Serial.begin(9600);
22  LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
23  lcd.begin(16,2);
24  lcd.clear();
25
26  cycletime = ontime + 1000000;
27  delayms = micros()+(cycletime/rps);
28}
29
30void  loop() {
31  
32  one = map(analogRead(A3),0,1023,0,9);       // the math for  the delay
33  ten = map(analogRead(A4),0,1023,0,9);
34  onehundred = map(analogRead(A5),0,1023,0,20);
35  ten = ten*10;
36  onehundred = onehundred*100;
37  rps = onehundred+ten+one;
38  rps = rps+1;
39  if(prevrps != rps){
40  lcd.clear();
41  lcd.setCursor(5,0);
42  lcd.print("speed:");
43  lcd.setCursor(4,1);
44  lcd.print(rps);
45  Serial.println("rps");
46  }
47  
48  if(delayms < micros()){                     // the pulse
49  digitalWrite(ledPin,HIGH);
50  delayMicroseconds(ontime);
51  digitalWrite(ledPin,LOW);
52  delayms = micros()+cycletime/rps;
53  }
54}
55

1// connections
2int ledPin = 13;
3
4unsigned long ontime = 200;
5   // The time, the led is turned on in microseconds. The best is between 100 and
6  300 microseconds.
7unsigned long cycletime;
8
9int one;
10int ten;
11int
12  onehundred;
13int rps;
14unsigned long delayms;
15
16void setup() {
17  pinMode(ledPin,OUTPUT);
18
19  pinMode(A5,INPUT);          // change these to your potentiometer outputs
20
21  pinMode(A4,INPUT);
22  pinMode(A3,INPUT);
23  Serial.begin(9600);
24  cycletime
25  = ontime + 1000000;
26  delayms = micros()+(cycletime/rps);
27}
28
29void loop()
30  {
31  
32  one = map(analogRead(A3),0,1023,0,9);       // the math for the delay
33
34  ten = map(analogRead(A4),0,1023,0,9);
35  onehundred = map(analogRead(A5),0,1023,0,20);
36
37  ten = ten*10;
38  onehundred = onehundred*100;
39  rps = onehundred+ten+one;
40
41  rps = rps+1;
42  
43  Serial.print(rps);
44  Serial.println("rps");
45  
46
47  if(delayms < micros()){                     // the pulse
48  digitalWrite(ledPin,HIGH);
49
50  delayMicroseconds(ontime);
51  digitalWrite(ledPin,LOW);
52  delayms = micros()+cycletime/rps;
53
54  }
55}
56