Bike Turn Signal - Part 1

Using 8x8 WS2812B RGB LED Matrix, Arduino Nano & PS2 Joystick Module

Feb 29, 2020

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lights

transportation

communication

Components and supplies

Analog joystick (Generic)

Arduino Nano R3

RGB LED Pixel Matrix, NeoPixel NeoMatrix

Jumper wires (generic)

Tools and machines

Soldering iron (generic)

Apps and platforms

Arduino IDE

Project description

Code

Initial_Test_Code.ino

arduino

1#include <Arduino.h>
2#include "FastLED.h"
3#define Vx A0 // Define  / Equate "Vx" with A0, the pin where Vx is connected
4#define Vy A1 // Define  / Equate "Vy" with A1, the pin where Vy is connected
5#define Button A2 // Define  / Equate Button with A2, the pin where the button is connected
6#define NUM_LEDS  64
7#define DATA_PIN 2
8
9CRGB leds[NUM_LEDS];
10
11void setup() {
12  pinMode(Vx,  INPUT); // Configure Vx (A0) as an Input
13  pinMode(Vy, INPUT); // Configure Vy  (A1) as an Input
14  pinMode(Button, INPUT_PULLUP); // Configure Button (A2) as  an Input, internally "pulled-up" to 5V
15  // Note, we're configuring an Analog  input as digital input
16  // which is perfectly fine.  I did this to make the  wiring easier
17  // and keep all of the wires on the same side of the board
18  FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);
19  FastLED.setBrightness(64);
20  Serial.begin(9600); // Initialize Serial Port at 9600 baud to display the results
21
22}
23
24void  loop()
25{
26  int x, y, btn;
27
28  x = analogRead(Vx); // Read the analog  value of Vx (Analog Values are from 0-1023 which equate to 0V to 5V)
29  y = analogRead(Vy);  // Read the analog value of Vy
30  btn = digitalRead(Button); // Read the button.  When the button is open (unpushed),
31  // the input will read High (+5V)
32  // When the button is closed (pressed), the input pin
33  // is connected to  ground and will read Low (0V)
34
35  /*Serial.print(x);  // Print the X value  to the serial port
36    Serial.print("\	"); // Print a Tab character
37    Serial.print(y);  // Print the Y value
38    Serial.print("\	"); // Print a Tab
39    Serial.println(btn);  // Print the value of the Btn (0=Pushed, 1 = Not Pushed)
40    delay(250); // Delay  250ms so the results don't print too quickly*/
41
42  if  (x <= 80) {
43
44    FastLED.clear();
45    leds[3] = CRGB(255, 18, 0);
46    leds[4] = CRGB(255,  18, 0);
47    leds[11] = CRGB(255, 18, 0);
48    leds[12] = CRGB(255, 18, 0);
49    leds[19] = CRGB(255, 18, 0);
50    leds[20] = CRGB(255, 18, 0);
51    leds[24]  = CRGB(255, 18, 0);
52    leds[27] = CRGB(255, 18, 0);
53    leds[28] = CRGB(255,  18, 0);
54    leds[31] = CRGB(255, 18, 0);
55    leds[32] = CRGB(255, 18, 0);
56    leds[33] = CRGB(255, 18, 0);
57    leds[35] = CRGB(255, 18, 0);
58    leds[36]  = CRGB(255, 18, 0);
59    leds[38] = CRGB(255, 18, 0);
60    leds[39] = CRGB(255,  18, 0);
61    leds[41] = CRGB(255, 18, 0);
62    leds[42] = CRGB(255, 18, 0);
63    leds[43] = CRGB(255, 18, 0);
64    leds[44] = CRGB(255, 18, 0);
65    leds[45]  = CRGB(255, 18, 0);
66    leds[46] = CRGB(255, 18, 0);
67    leds[50] = CRGB(255,  18, 0);
68    leds[51] = CRGB(255, 18, 0);
69    leds[52] = CRGB(255, 18, 0);
70    leds[53] = CRGB(255, 18, 0);
71    leds[59] = CRGB(255, 18, 0);
72    leds[60]  = CRGB(255, 18, 0);
73    FastLED.show();
74  }
75
76  if  (x >= 900) {
77
78    FastLED.clear();
79    leds[3] = CRGB(255, 18, 0);
80    leds[4] = CRGB(255,  18, 0);
81    leds[10] = CRGB(255, 18, 0);
82    leds[11] = CRGB(255, 18, 0);
83    leds[12] = CRGB(255, 18, 0);
84    leds[13] = CRGB(255, 18, 0);
85    leds[17]  = CRGB(255, 18, 0);
86    leds[18] = CRGB(255, 18, 0);
87    leds[19] = CRGB(255,  18, 0);
88    leds[20] = CRGB(255, 18, 0);
89    leds[21] = CRGB(255, 18, 0);
90    leds[22] = CRGB(255, 18, 0);
91    leds[24] = CRGB(255, 18, 0);
92    leds[25]  = CRGB(255, 18, 0);
93    leds[27] = CRGB(255, 18, 0);
94    leds[28] = CRGB(255,  18, 0);
95    leds[30] = CRGB(255, 18, 0);
96    leds[31] = CRGB(255, 18, 0);
97    leds[32] = CRGB(255, 18, 0);
98    leds[35] = CRGB(255, 18, 0);
99    leds[36]  = CRGB(255, 18, 0);
100    leds[39] = CRGB(255, 18, 0);
101    leds[43] = CRGB(255,  18, 0);
102    leds[44] = CRGB(255, 18, 0);
103    leds[51] = CRGB(255, 18, 0);
104    leds[52] = CRGB(255, 18, 0);
105    leds[59] = CRGB(255, 18, 0);
106    leds[60]  = CRGB(255, 18, 0);
107    FastLED.show();
108  }
109
110  if  (y <= 100) {
111    
112    FastLED.clear();
113    fill_solid (leds, NUM_LEDS, CRGB(0, 255, 0));
114    FastLED.show();
115  }
116
117  if (y >= 900) {
118    
119    FastLED.clear();
120    fill_solid (leds, NUM_LEDS, CRGB(255, 0, 0));
121    FastLED.show();
122  }
123
124  if (btn == 0) {
125
126    FastLED.clear();
127    FastLED.show();
128  }
129}
130

#include <Arduino.h>
#include "FastLED.h"
#define Vx A0 // Define  / Equate "Vx" with A0, the pin where Vx is connected
#define Vy A1 // Define  / Equate "Vy" with A1, the pin where Vy is connected
#define Button A2 // Define  / Equate Button with A2, the pin where the button is connected
#define NUM_LEDS  64
#define DATA_PIN 2

CRGB leds[NUM_LEDS];

void setup() {
  pinMode(Vx,  INPUT); // Configure Vx (A0) as an Input
  pinMode(Vy, INPUT); // Configure Vy  (A1) as an Input
  pinMode(Button, INPUT_PULLUP); // Configure Button (A2) as  an Input, internally "pulled-up" to 5V
  // Note, we're configuring an Analog  input as digital input
  // which is perfectly fine.  I did this to make the  wiring easier
  // and keep all of the wires on the same side of the board
  FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);
  FastLED.setBrightness(64);
  Serial.begin(9600); // Initialize Serial Port at 9600 baud to display the results

}

void  loop()
{
  int x, y, btn;

  x = analogRead(Vx); // Read the analog  value of Vx (Analog Values are from 0-1023 which equate to 0V to 5V)
  y = analogRead(Vy);  // Read the analog value of Vy
  btn = digitalRead(Button); // Read the button.  When the button is open (unpushed),
  // the input will read High (+5V)
  // When the button is closed (pressed), the input pin
  // is connected to  ground and will read Low (0V)

  /*Serial.print(x);  // Print the X value  to the serial port
    Serial.print("\	"); // Print a Tab character
    Serial.print(y);  // Print the Y value
    Serial.print("\	"); // Print a Tab
    Serial.println(btn);  // Print the value of the Btn (0=Pushed, 1 = Not Pushed)
    delay(250); // Delay  250ms so the results don't print too quickly*/

  if  (x <= 80) {

    FastLED.clear();
    leds[3] = CRGB(255, 18, 0);
    leds[4] = CRGB(255,  18, 0);
    leds[11] = CRGB(255, 18, 0);
    leds[12] = CRGB(255, 18, 0);
    leds[19] = CRGB(255, 18, 0);
    leds[20] = CRGB(255, 18, 0);
    leds[24]  = CRGB(255, 18, 0);
    leds[27] = CRGB(255, 18, 0);
    leds[28] = CRGB(255,  18, 0);
    leds[31] = CRGB(255, 18, 0);
    leds[32] = CRGB(255, 18, 0);
    leds[33] = CRGB(255, 18, 0);
    leds[35] = CRGB(255, 18, 0);
    leds[36]  = CRGB(255, 18, 0);
    leds[38] = CRGB(255, 18, 0);
    leds[39] = CRGB(255,  18, 0);
    leds[41] = CRGB(255, 18, 0);
    leds[42] = CRGB(255, 18, 0);
    leds[43] = CRGB(255, 18, 0);
    leds[44] = CRGB(255, 18, 0);
    leds[45]  = CRGB(255, 18, 0);
    leds[46] = CRGB(255, 18, 0);
    leds[50] = CRGB(255,  18, 0);
    leds[51] = CRGB(255, 18, 0);
    leds[52] = CRGB(255, 18, 0);
    leds[53] = CRGB(255, 18, 0);
    leds[59] = CRGB(255, 18, 0);
    leds[60]  = CRGB(255, 18, 0);
    FastLED.show();
  }

  if  (x >= 900) {

    FastLED.clear();
    leds[3] = CRGB(255, 18, 0);
    leds[4] = CRGB(255,  18, 0);
    leds[10] = CRGB(255, 18, 0);
    leds[11] = CRGB(255, 18, 0);
    leds[12] = CRGB(255, 18, 0);
    leds[13] = CRGB(255, 18, 0);
    leds[17]  = CRGB(255, 18, 0);
    leds[18] = CRGB(255, 18, 0);
    leds[19] = CRGB(255,  18, 0);
    leds[20] = CRGB(255, 18, 0);
    leds[21] = CRGB(255, 18, 0);
    leds[22] = CRGB(255, 18, 0);
    leds[24] = CRGB(255, 18, 0);
    leds[25]  = CRGB(255, 18, 0);
    leds[27] = CRGB(255, 18, 0);
    leds[28] = CRGB(255,  18, 0);
    leds[30] = CRGB(255, 18, 0);
    leds[31] = CRGB(255, 18, 0);
    leds[32] = CRGB(255, 18, 0);
    leds[35] = CRGB(255, 18, 0);
    leds[36]  = CRGB(255, 18, 0);
    leds[39] = CRGB(255, 18, 0);
    leds[43] = CRGB(255,  18, 0);
    leds[44] = CRGB(255, 18, 0);
    leds[51] = CRGB(255, 18, 0);
    leds[52] = CRGB(255, 18, 0);
    leds[59] = CRGB(255, 18, 0);
    leds[60]  = CRGB(255, 18, 0);
    FastLED.show();
  }

  if  (y <= 100) {
    
    FastLED.clear();
    fill_solid (leds, NUM_LEDS, CRGB(0, 255, 0));
    FastLED.show();
  }

  if (y >= 900) {
    
    FastLED.clear();
    fill_solid (leds, NUM_LEDS, CRGB(255, 0, 0));
    FastLED.show();
  }

  if (btn == 0) {

    FastLED.clear();
    FastLED.show();
  }
}

Initial_Test_Code.ino

arduino

1#include <Arduino.h>
2#include "FastLED.h"
3#define Vx A0 // Define
4  / Equate "Vx" with A0, the pin where Vx is connected
5#define Vy A1 // Define
6  / Equate "Vy" with A1, the pin where Vy is connected
7#define Button A2 // Define
8  / Equate Button with A2, the pin where the button is connected
9#define NUM_LEDS
10  64
11#define DATA_PIN 2
12
13CRGB leds[NUM_LEDS];
14
15void setup() {
16  pinMode(Vx,
17  INPUT); // Configure Vx (A0) as an Input
18  pinMode(Vy, INPUT); // Configure Vy
19  (A1) as an Input
20  pinMode(Button, INPUT_PULLUP); // Configure Button (A2) as
21  an Input, internally "pulled-up" to 5V
22  // Note, we're configuring an Analog
23  input as digital input
24  // which is perfectly fine.  I did this to make the
25  wiring easier
26  // and keep all of the wires on the same side of the board
27
28  FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);
29  FastLED.setBrightness(64);
30
31  Serial.begin(9600); // Initialize Serial Port at 9600 baud to display the results
32
33}
34
35void
36  loop()
37{
38  int x, y, btn;
39
40  x = analogRead(Vx); // Read the analog
41  value of Vx (Analog Values are from 0-1023 which equate to 0V to 5V)
42  y = analogRead(Vy);
43  // Read the analog value of Vy
44  btn = digitalRead(Button); // Read the button.
45  When the button is open (unpushed),
46  // the input will read High (+5V)
47
48  // When the button is closed (pressed), the input pin
49  // is connected to
50  ground and will read Low (0V)
51
52  /*Serial.print(x);  // Print the X value
53  to the serial port
54    Serial.print("\	"); // Print a Tab character
55    Serial.print(y);
56  // Print the Y value
57    Serial.print("\	"); // Print a Tab
58    Serial.println(btn);
59  // Print the value of the Btn (0=Pushed, 1 = Not Pushed)
60    delay(250); // Delay
61  250ms so the results don't print too quickly*/
62
63  if  (x <= 80) {
64
65
66    FastLED.clear();
67    leds[3] = CRGB(255, 18, 0);
68    leds[4] = CRGB(255,
69  18, 0);
70    leds[11] = CRGB(255, 18, 0);
71    leds[12] = CRGB(255, 18, 0);
72
73    leds[19] = CRGB(255, 18, 0);
74    leds[20] = CRGB(255, 18, 0);
75    leds[24]
76  = CRGB(255, 18, 0);
77    leds[27] = CRGB(255, 18, 0);
78    leds[28] = CRGB(255,
79  18, 0);
80    leds[31] = CRGB(255, 18, 0);
81    leds[32] = CRGB(255, 18, 0);
82
83    leds[33] = CRGB(255, 18, 0);
84    leds[35] = CRGB(255, 18, 0);
85    leds[36]
86  = CRGB(255, 18, 0);
87    leds[38] = CRGB(255, 18, 0);
88    leds[39] = CRGB(255,
89  18, 0);
90    leds[41] = CRGB(255, 18, 0);
91    leds[42] = CRGB(255, 18, 0);
92
93    leds[43] = CRGB(255, 18, 0);
94    leds[44] = CRGB(255, 18, 0);
95    leds[45]
96  = CRGB(255, 18, 0);
97    leds[46] = CRGB(255, 18, 0);
98    leds[50] = CRGB(255,
99  18, 0);
100    leds[51] = CRGB(255, 18, 0);
101    leds[52] = CRGB(255, 18, 0);
102
103    leds[53] = CRGB(255, 18, 0);
104    leds[59] = CRGB(255, 18, 0);
105    leds[60]
106  = CRGB(255, 18, 0);
107    FastLED.show();
108  }
109
110  if  (x >= 900) {
111
112
113    FastLED.clear();
114    leds[3] = CRGB(255, 18, 0);
115    leds[4] = CRGB(255,
116  18, 0);
117    leds[10] = CRGB(255, 18, 0);
118    leds[11] = CRGB(255, 18, 0);
119
120    leds[12] = CRGB(255, 18, 0);
121    leds[13] = CRGB(255, 18, 0);
122    leds[17]
123  = CRGB(255, 18, 0);
124    leds[18] = CRGB(255, 18, 0);
125    leds[19] = CRGB(255,
126  18, 0);
127    leds[20] = CRGB(255, 18, 0);
128    leds[21] = CRGB(255, 18, 0);
129
130    leds[22] = CRGB(255, 18, 0);
131    leds[24] = CRGB(255, 18, 0);
132    leds[25]
133  = CRGB(255, 18, 0);
134    leds[27] = CRGB(255, 18, 0);
135    leds[28] = CRGB(255,
136  18, 0);
137    leds[30] = CRGB(255, 18, 0);
138    leds[31] = CRGB(255, 18, 0);
139
140    leds[32] = CRGB(255, 18, 0);
141    leds[35] = CRGB(255, 18, 0);
142    leds[36]
143  = CRGB(255, 18, 0);
144    leds[39] = CRGB(255, 18, 0);
145    leds[43] = CRGB(255,
146  18, 0);
147    leds[44] = CRGB(255, 18, 0);
148    leds[51] = CRGB(255, 18, 0);
149
150    leds[52] = CRGB(255, 18, 0);
151    leds[59] = CRGB(255, 18, 0);
152    leds[60]
153  = CRGB(255, 18, 0);
154    FastLED.show();
155  }
156
157  if  (y <= 100) {
158
159    
160    FastLED.clear();
161    fill_solid (leds, NUM_LEDS, CRGB(0, 255, 0));
162
163    FastLED.show();
164  }
165
166  if (y >= 900) {
167    
168    FastLED.clear();
169
170    fill_solid (leds, NUM_LEDS, CRGB(255, 0, 0));
171    FastLED.show();
172  }
173
174
175  if (btn == 0) {
176
177    FastLED.clear();
178    FastLED.show();
179  }
180}
181

#include <Arduino.h>
#include "FastLED.h"
#define Vx A0 // Define
  / Equate "Vx" with A0, the pin where Vx is connected
#define Vy A1 // Define
  / Equate "Vy" with A1, the pin where Vy is connected
#define Button A2 // Define
  / Equate Button with A2, the pin where the button is connected
#define NUM_LEDS
  64
#define DATA_PIN 2

CRGB leds[NUM_LEDS];

void setup() {
  pinMode(Vx,
  INPUT); // Configure Vx (A0) as an Input
  pinMode(Vy, INPUT); // Configure Vy
  (A1) as an Input
  pinMode(Button, INPUT_PULLUP); // Configure Button (A2) as
  an Input, internally "pulled-up" to 5V
  // Note, we're configuring an Analog
  input as digital input
  // which is perfectly fine.  I did this to make the
  wiring easier
  // and keep all of the wires on the same side of the board

  FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);
  FastLED.setBrightness(64);

  Serial.begin(9600); // Initialize Serial Port at 9600 baud to display the results

}

void
  loop()
{
  int x, y, btn;

  x = analogRead(Vx); // Read the analog
  value of Vx (Analog Values are from 0-1023 which equate to 0V to 5V)
  y = analogRead(Vy);
  // Read the analog value of Vy
  btn = digitalRead(Button); // Read the button.
  When the button is open (unpushed),
  // the input will read High (+5V)

  // When the button is closed (pressed), the input pin
  // is connected to
  ground and will read Low (0V)

  /*Serial.print(x);  // Print the X value
  to the serial port
    Serial.print("\	"); // Print a Tab character
    Serial.print(y);
  // Print the Y value
    Serial.print("\	"); // Print a Tab
    Serial.println(btn);
  // Print the value of the Btn (0=Pushed, 1 = Not Pushed)
    delay(250); // Delay
  250ms so the results don't print too quickly*/

  if  (x <= 80) {


    FastLED.clear();
    leds[3] = CRGB(255, 18, 0);
    leds[4] = CRGB(255,
  18, 0);
    leds[11] = CRGB(255, 18, 0);
    leds[12] = CRGB(255, 18, 0);

    leds[19] = CRGB(255, 18, 0);
    leds[20] = CRGB(255, 18, 0);
    leds[24]
  = CRGB(255, 18, 0);
    leds[27] = CRGB(255, 18, 0);
    leds[28] = CRGB(255,
  18, 0);
    leds[31] = CRGB(255, 18, 0);
    leds[32] = CRGB(255, 18, 0);

    leds[33] = CRGB(255, 18, 0);
    leds[35] = CRGB(255, 18, 0);
    leds[36]
  = CRGB(255, 18, 0);
    leds[38] = CRGB(255, 18, 0);
    leds[39] = CRGB(255,
  18, 0);
    leds[41] = CRGB(255, 18, 0);
    leds[42] = CRGB(255, 18, 0);

    leds[43] = CRGB(255, 18, 0);
    leds[44] = CRGB(255, 18, 0);
    leds[45]
  = CRGB(255, 18, 0);
    leds[46] = CRGB(255, 18, 0);
    leds[50] = CRGB(255,
  18, 0);
    leds[51] = CRGB(255, 18, 0);
    leds[52] = CRGB(255, 18, 0);

    leds[53] = CRGB(255, 18, 0);
    leds[59] = CRGB(255, 18, 0);
    leds[60]
  = CRGB(255, 18, 0);
    FastLED.show();
  }

  if  (x >= 900) {


    FastLED.clear();
    leds[3] = CRGB(255, 18, 0);
    leds[4] = CRGB(255,
  18, 0);
    leds[10] = CRGB(255, 18, 0);
    leds[11] = CRGB(255, 18, 0);

    leds[12] = CRGB(255, 18, 0);
    leds[13] = CRGB(255, 18, 0);
    leds[17]
  = CRGB(255, 18, 0);
    leds[18] = CRGB(255, 18, 0);
    leds[19] = CRGB(255,
  18, 0);
    leds[20] = CRGB(255, 18, 0);
    leds[21] = CRGB(255, 18, 0);

    leds[22] = CRGB(255, 18, 0);
    leds[24] = CRGB(255, 18, 0);
    leds[25]
  = CRGB(255, 18, 0);
    leds[27] = CRGB(255, 18, 0);
    leds[28] = CRGB(255,
  18, 0);
    leds[30] = CRGB(255, 18, 0);
    leds[31] = CRGB(255, 18, 0);

    leds[32] = CRGB(255, 18, 0);
    leds[35] = CRGB(255, 18, 0);
    leds[36]
  = CRGB(255, 18, 0);
    leds[39] = CRGB(255, 18, 0);
    leds[43] = CRGB(255,
  18, 0);
    leds[44] = CRGB(255, 18, 0);
    leds[51] = CRGB(255, 18, 0);

    leds[52] = CRGB(255, 18, 0);
    leds[59] = CRGB(255, 18, 0);
    leds[60]
  = CRGB(255, 18, 0);
    FastLED.show();
  }

  if  (y <= 100) {

    
    FastLED.clear();
    fill_solid (leds, NUM_LEDS, CRGB(0, 255, 0));

    FastLED.show();
  }

  if (y >= 900) {
    
    FastLED.clear();

    fill_solid (leds, NUM_LEDS, CRGB(255, 0, 0));
    FastLED.show();
  }


  if (btn == 0) {

    FastLED.clear();
    FastLED.show();
  }
}

Downloadable files

Bike-Signal-Basic

FastLED Library

https://github.com/FastLED/FastLED

FastLED Library

https://github.com/FastLED/FastLED

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