Voice Activated, 3D Printed Tali's Helmet!

1// Tali helmet - voice detection LED control by bzqp (2021) https://www.youtube.com/user/Beezqp
2//https://www.thingiverse.com/bzqp/designs
3//
4//A0
5  - potentiometer
6//D13 - microphone
7//D3 - red
8//D5 - green
9//D6 - blue
10int
11  brightness = 0;
12int brightnesscache=0;
13int loudness = 0;
14const unsigned
15  long timeout=100; // voice sampling time in ms
16unsigned long timestamp=0; //
17  first sample timestamp
18void setup() {
19  pinMode(13, INPUT); //D13 - microphone
20
21  pinMode(A0, INPUT); //A0 - potentiometer
22  pinMode(3, OUTPUT); //D3 - red
23
24  pinMode(5, OUTPUT); //D5 - green
25  pinMode(6, OUTPUT); //D6 - blue
26  Serial.begin(9600);
27  // Serial for debugging, not really needed normally
28}
29void loop() {
30brightness
31  = floor(analogRead(A0)/4);
32loudness = digitalRead(13);
33Serial.println(brightness);
34
35if(brightness<8){
36
37    // if brightness below 5 turn off the lights to prevent unbalanced RGB color
38  flickering
39    analogWrite(3, 0);
40    analogWrite(5, 0);
41    analogWrite(6,
42  0);
43    delay(1);
44}
45else{
46unsigned int  dl=(floor(float((float(1)/(float(brightness)+2))*float(100000))));
47  //delay in microseconds, the same total delay for every brightness setting
48//Serial.println(brightness);
49if(loudness==LOW){
50
51  // if a sound is detected by a microphone, mark a timestamp
52  timestamp=millis();
53}
54if(millis()-timestamp<timeout){
55
56  // if within the timeout period, gradually lower the brightness to zero
57  while(brightnesscache>0){
58
59    brightnesscache--;
60    analogWrite(3, brightnesscache/2);
61    analogWrite(5,
62  brightnesscache/3);
63    analogWrite(6, brightnesscache);
64    delayMicroseconds(dl);
65
66  }
67  }
68else{
69  // if no sound is detected, gradually rise the brightness
70  to the value determined by the potentiometer
71  while(brightnesscache<brightness){
72
73    brightnesscache++;
74    analogWrite(3, brightnesscache/2);
75    analogWrite(5,
76  brightnesscache/3);
77    analogWrite(6, brightnesscache);
78    delayMicroseconds(dl);
79
80  }
81  // just to be sure it goes all the way up to brightness
82    analogWrite(3,
83  brightness/2);
84    analogWrite(5, brightness/3);
85    analogWrite(6, brightness);
86}
87}
88}
89

1// Tali helmet - voice detection LED control by bzqp (2021) https://www.youtube.com/user/Beezqp
2//https://www.thingiverse.com/bzqp/designs
3//
4//A0  - potentiometer
5//D13 - microphone
6//D3 - red
7//D5 - green
8//D6 - blue
9int  brightness = 0;
10int brightnesscache=0;
11int loudness = 0;
12const unsigned  long timeout=100; // voice sampling time in ms
13unsigned long timestamp=0; //  first sample timestamp
14void setup() {
15  pinMode(13, INPUT); //D13 - microphone
16  pinMode(A0, INPUT); //A0 - potentiometer
17  pinMode(3, OUTPUT); //D3 - red
18  pinMode(5, OUTPUT); //D5 - green
19  pinMode(6, OUTPUT); //D6 - blue
20  Serial.begin(9600);  // Serial for debugging, not really needed normally
21}
22void loop() {
23brightness  = floor(analogRead(A0)/4);
24loudness = digitalRead(13);
25Serial.println(brightness);
26
27if(brightness<8){
28    // if brightness below 5 turn off the lights to prevent unbalanced RGB color  flickering
29    analogWrite(3, 0);
30    analogWrite(5, 0);
31    analogWrite(6,  0);
32    delay(1);
33}
34else{
35unsigned int  dl=(floor(float((float(1)/(float(brightness)+2))*float(100000))));  //delay in microseconds, the same total delay for every brightness setting
36//Serial.println(brightness);
37if(loudness==LOW){
38  // if a sound is detected by a microphone, mark a timestamp
39  timestamp=millis();
40}
41if(millis()-timestamp<timeout){
42  // if within the timeout period, gradually lower the brightness to zero
43  while(brightnesscache>0){
44    brightnesscache--;
45    analogWrite(3, brightnesscache/2);
46    analogWrite(5,  brightnesscache/3);
47    analogWrite(6, brightnesscache);
48    delayMicroseconds(dl);
49  }
50  }
51else{
52  // if no sound is detected, gradually rise the brightness  to the value determined by the potentiometer
53  while(brightnesscache<brightness){
54    brightnesscache++;
55    analogWrite(3, brightnesscache/2);
56    analogWrite(5,  brightnesscache/3);
57    analogWrite(6, brightnesscache);
58    delayMicroseconds(dl);
59  }
60  // just to be sure it goes all the way up to brightness
61    analogWrite(3,  brightness/2);
62    analogWrite(5, brightness/3);
63    analogWrite(6, brightness);
64}
65}
66}
67