Making an Arduino Touch Sensitive LED Sign

1// this programm is written by MBcreates (www.YouTube.com/MBcreates)
2//  this program is in the public domain and free to use in any way you see fit 
3
4//Credits:  Paul Barger(https://playground.arduino.cc/Main/CapacitiveSensor?from=Main.CapSense)
5//  https://learn.adafruit.com/adafruit-neopixel-uberguide/arduino-library-use
6
7//  LED used: ws1012-rgb-8mm-led
8// Resistor: 1 1m ohm
9 
10
11
12#include <Adafruit_NeoPixel.h>
13#include  <CapacitiveSensor.h>
14#define PIN 10
15#define LEDS 1
16
17int DELAY_TIME =  500;
18int COUNTER = 0;
19boolean LIGHT_STATE = false;
20
21Adafruit_NeoPixel  strip = Adafruit_NeoPixel(LEDS, PIN ,NEO_GRB + NEO_KHZ800);
22CapacitiveSensor   cs_4_2 = CapacitiveSensor(4,2);        // 1 megohm resistor between pins 4 &  2, pin 2 is sensor pin, attach to metal body 
23
24void setup() {
25
26  Serial.begin(9600);
27  
28   cs_4_2.set_CS_AutocaL_Millis(0xFFFFFFFF);     // turn off autocalibrate  on channel 1 - just as an example
29   Serial.begin(9600);
30  
31  strip.begin();
32  strip.show();  //
33  strip.setPixelColor(0, 69, 255, 0); // ORANGE RED
34  strip.show();
35  
36}
37 
38void loop() {
39
40 long total1 =  cs_4_2.capacitiveSensor(30);
41
42  if(total1>400)
43 {
44  COUNTER++ ;
45 }
46
47 else
48 {
49  COUNTER = 0;  
50 }
51
52if((total1>400) && (!LIGHT_STATE))     
53{
54  strip.setPixelColor(0,  69, 255, 0); // ORANGE RED
55  strip.show();
56  delay(400);
57  LIGHT_STATE  = true;
58}
59
60total1 =  cs_4_2.capacitiveSensor(30);
61
62if((total1>400)  && (LIGHT_STATE))
63{
64
65    strip.setPixelColor(0, 0, 0, 0); // ORANGE RED
66  strip.show(); //.
67  delay(400);
68  LIGHT_STATE = false;
69}
70
71while(COUNTER>3)  // while loop to sellect the led colour
72{
73  
74  strip.setPixelColor(0,  255, 0, 0); //GREEN
75  strip.show(); //.
76  delay(DELAY_TIME);
77
78total1  =  cs_4_2.capacitiveSensor(30);
79
80if(total1<400)
81{
82  break;
83}
84
85  strip.setPixelColor(0,0,  255, 0); //RED
86  strip.show(); //.
87  delay(DELAY_TIME);
88
89total1  =  cs_4_2.capacitiveSensor(30);
90
91if(total1<400)
92{
93  break;
94}
95
96  strip.setPixelColor(0, 0, 0,  255); //BLUE
97  strip.show(); //.
98  delay(DELAY_TIME);
99
100total1  =  cs_4_2.capacitiveSensor(30);
101
102if(total1<400)
103{
104  break;
105}
106
107    strip.setPixelColor(0, 69, 255, 0); // ORANGE RED
108  strip.show(); //.
109  delay(DELAY_TIME);
110
111total1 =  cs_4_2.capacitiveSensor(30);
112
113if(total1<400)
114{
115  break;
116}
117
118  strip.setPixelColor(0, 255, 255, 10); // YELLOW
119  strip.show();  //.
120  delay(DELAY_TIME);
121
122total1 =  cs_4_2.capacitiveSensor(30);
123
124if(total1<400)
125{
126  break;
127}
128
129  
130strip.setPixelColor(0, 69, 139, 19); // BROWN
131  strip.show();  //.
132  delay(DELAY_TIME);
133
134total1 =  cs_4_2.capacitiveSensor(30);
135
136if(total1<400)
137{
138  break;
139}
140
141  strip.setPixelColor(0, 0, 139, 139); // Purple
142  strip.show();  //. grb 
143  delay(DELAY_TIME);
144
145 
146total1 =  cs_4_2.capacitiveSensor(30);
147
148if(total1<400)
149{
150  break;
151}
152
153
154
155  strip.setPixelColor(0, 165, 218, 32); // GOLD
156  strip.show(); //. grb 
157  delay(DELAY_TIME);
158
159total1 =  cs_4_2.capacitiveSensor(30);
160
161if(total1<400)
162{
163  break;
164}
165
166
167}
168
169}
170
171  
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