Direction Indicator for Bike

Turning in intersections might be dangerous sometimes. With the direction indicators for a bike, you do not need to take off your hand from the handle bar to signal. Make biking safe!

Nov 9, 2023

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Lights

Transportation

Components and supplies

Plywood Sheets

USB Cable for Arduino UNO

Mini breadboard - White

Generic Pins

5V Power Bank

Various cables, bolts, nuts and screws

Wood Glue

Zip ties

LED (generic)

470 Ohm Resistor

10k Ohm Resistor

Heat Shrink Tubing, Assorted Sizes

3D printing filament

Arduino Uno Rev3

Tactile Push Button

Tools and machines

Hot glue gun (generic)

Trotec Speedy 100 Laser and Engraver

Solomon SL-30 Soldering Station

Tinkerine Ditto Pro 3D Printer

Apps and platforms

AutoCAD 2023

Arduino IDE 1.8.13

Autodesk Inventor

Tinkerine Suite 3 (No longer supported; Use TInkerine Cloud)

Project description

Code

Arduino Bike

cpp

There is a better way to make the LEDs blink.

1const int leftButton = 2;
2const int rightButton = 13;
3// Variables will change:
4int left_ledState = LOW;         // the current state of the output pin
5int left_buttonState;             // the current reading from the input pin
6int left_lastButtonState = HIGH;   // the previous reading from the input pin
7int right_ledState = LOW;         // the current state of the output pin
8int right_buttonState;             // the current reading from the input pin
9int right_lastButtonState = HIGH;   // the previous reading from the input pin
10
11// the following variables are long's because the time, measured in miliseconds,
12// will quickly become a bigger number than can be stored in an int.
13long lastDebounceTime = 0;  // the last time the output pin was toggled
14long debounceDelay = 50;    // the debounce time; increase if the output flickers
15
16void setup() {
17pinMode(12, OUTPUT);
18pinMode(11,  OUTPUT);
19pinMode(10,  OUTPUT);
20pinMode(9,  OUTPUT);
21pinMode(8,  OUTPUT);
22pinMode(7,  OUTPUT);
23pinMode(6,  OUTPUT);
24pinMode(5,  OUTPUT);
25pinMode(4,  OUTPUT);
26pinMode(3,  OUTPUT);
27pinMode(rightButton, INPUT);
28pinMode(leftButton, INPUT);
29Serial.begin(9600);
30}
31
32void  loop() {
33  
34
35// LEFt
36
37// read the state of the switch into a local variable:
38  int left_reading = digitalRead(leftButton);
39
40  // check to see if you just pressed the button 
41  // (i.e. the input went from LOW to HIGH),  and you've waited 
42  // long enough since the last press to ignore any noise:  
43
44  // If the switch changed, due to noise or pressing:
45  if (left_reading != left_lastButtonState) {
46    // reset the debouncing timer
47    lastDebounceTime = millis();
48  } 
49  
50  if ((millis() - lastDebounceTime) > debounceDelay) {
51    // whatever the reading is at, it's been there for longer
52    // than the debounce delay, so take it as the actual current state:
53
54    // if the button state has changed:
55      if (left_reading != left_buttonState) {
56        left_buttonState = left_reading;
57        //#1
58          digitalWrite(12, left_ledState);
59          digitalWrite(11, left_ledState);
60          digitalWrite(10, left_ledState);
61          digitalWrite(9, left_ledState);
62          digitalWrite(8, left_ledState);
63          delay(500);
64          digitalWrite(12, !left_ledState);
65          digitalWrite(11, !left_ledState);
66          digitalWrite(10, !left_ledState);
67          digitalWrite(9, !left_ledState);
68          digitalWrite(8, !left_ledState);
69          delay(500);
70        //#2
71          digitalWrite(12, left_ledState);
72          digitalWrite(11, left_ledState);
73          digitalWrite(10, left_ledState);
74          digitalWrite(9, left_ledState);
75          digitalWrite(8, left_ledState);
76          delay(500);
77          digitalWrite(12, !left_ledState);
78          digitalWrite(11, !left_ledState);
79          digitalWrite(10, !left_ledState);
80          digitalWrite(9, !left_ledState);
81          digitalWrite(8, !left_ledState);
82          delay(500);
83        //#3
84          digitalWrite(12, left_ledState);
85          digitalWrite(11, left_ledState);
86          digitalWrite(10, left_ledState);
87          digitalWrite(9, left_ledState);
88          digitalWrite(8, left_ledState);
89          delay(500);
90          digitalWrite(12, !left_ledState);
91          digitalWrite(11, !left_ledState);
92          digitalWrite(10, !left_ledState);
93          digitalWrite(9, !left_ledState);
94          digitalWrite(8, !left_ledState);
95          delay(500);
96        //#4
97          digitalWrite(12, left_ledState);
98          digitalWrite(11, left_ledState);
99          digitalWrite(10, left_ledState);
100          digitalWrite(9, left_ledState);
101          digitalWrite(8, left_ledState);
102          delay(500);
103          digitalWrite(12, !left_ledState);
104          digitalWrite(11, !left_ledState);
105          digitalWrite(10, !left_ledState);
106          digitalWrite(9, !left_ledState);
107          digitalWrite(8, !left_ledState);
108          delay(500);
109        //#5
110          digitalWrite(12, left_ledState);
111          digitalWrite(11, left_ledState);
112          digitalWrite(10, left_ledState);
113          digitalWrite(9, left_ledState);
114          digitalWrite(8, left_ledState);
115          delay(500);
116          digitalWrite(12, !left_ledState);
117          digitalWrite(11, !left_ledState);
118          digitalWrite(10, !left_ledState);
119          digitalWrite(9, !left_ledState);
120          digitalWrite(8, !left_ledState);
121          delay(500);
122      }
123  
124        // only toggle the LED if the new button state is HIGH
125        if (left_buttonState == LOW) {
126          digitalWrite(12, LOW);
127          digitalWrite(11, LOW);
128          digitalWrite(10, LOW);
129          digitalWrite(9, LOW);
130          digitalWrite(8, LOW);
131          }
132        
133  }
134
135    
136      left_lastButtonState = left_reading;
137
138
139
140
141
142
143
144
145
146//Right
147
148  
149
150  // save the reading.  Next time through the loop,
151  // it'll be the right_lastButtonState:
152
153int right_reading = digitalRead(rightButton);
154
155  // check to see if you just pressed the button 
156  // (i.e. the input went from LOW to HIGH),  and you've waited 
157  // long enough since the last press to ignore any noise:  
158
159  // If the switch changed, due to noise or pressing:
160  if (right_reading != right_lastButtonState) {
161    // reset the debouncing timer
162    lastDebounceTime = millis();
163  } 
164  
165  if ((millis() - lastDebounceTime) > debounceDelay) {
166    // whatever the reading is at, it's been there for longer
167    // than the debounce delay, so take it as the actual current state:
168
169    // if the button state has changed:
170      if (right_reading != right_buttonState) {
171        right_buttonState = right_reading;
172        //#1
173          digitalWrite(7, right_ledState);
174          digitalWrite(6, right_ledState);
175          digitalWrite(5, right_ledState);
176          digitalWrite(4, right_ledState);
177          digitalWrite(3, right_ledState);
178          delay(500);
179          digitalWrite(7, !right_ledState);
180          digitalWrite(6, !right_ledState);
181          digitalWrite(5, !right_ledState);
182          digitalWrite(4, !right_ledState);
183          digitalWrite(3, !right_ledState);
184          delay(500);
185        //#2
186          digitalWrite(7, right_ledState);
187          digitalWrite(6, right_ledState);
188          digitalWrite(5, right_ledState);
189          digitalWrite(4, right_ledState);
190          digitalWrite(3, right_ledState);
191          delay(500);
192          digitalWrite(7, !right_ledState);
193          digitalWrite(6, !right_ledState);
194          digitalWrite(5, !right_ledState);
195          digitalWrite(4, !right_ledState);
196          digitalWrite(3, !right_ledState);
197          delay(500);
198        //#3
199          digitalWrite(7, right_ledState);
200          digitalWrite(6, right_ledState);
201          digitalWrite(5, right_ledState);
202          digitalWrite(4, right_ledState);
203          digitalWrite(3, right_ledState);
204          delay(500);
205          digitalWrite(7, !right_ledState);
206          digitalWrite(6, !right_ledState);
207          digitalWrite(5, !right_ledState);
208          digitalWrite(4, !right_ledState);
209          digitalWrite(3, !right_ledState);
210          delay(500);
211        //#4
212          digitalWrite(7, right_ledState);
213          digitalWrite(6, right_ledState);
214          digitalWrite(5, right_ledState);
215          digitalWrite(4, right_ledState);
216          digitalWrite(3, right_ledState);
217          delay(500);
218          digitalWrite(7, !right_ledState);
219          digitalWrite(6, !right_ledState);
220          digitalWrite(5, !right_ledState);
221          digitalWrite(4, !right_ledState);
222          digitalWrite(3, !right_ledState);
223          delay(500);
224        //#5
225          digitalWrite(7, right_ledState);
226          digitalWrite(6, right_ledState);
227          digitalWrite(5, right_ledState);
228          digitalWrite(4, right_ledState);
229          digitalWrite(3, right_ledState);
230          delay(500);
231          digitalWrite(7, !right_ledState);
232          digitalWrite(6, !right_ledState);
233          digitalWrite(5, !right_ledState);
234          digitalWrite(4, !right_ledState);
235          digitalWrite(3, !right_ledState);
236          delay(500);
237      }
238  
239        // only toggle the LED if the new button state is HIGH
240        if (right_buttonState == LOW) {
241          digitalWrite(7, LOW);
242          digitalWrite(6, LOW);
243          digitalWrite(5, LOW);
244          digitalWrite(4, LOW);
245          digitalWrite(3, LOW);
246          }
247        }
248    
249
250    
251      right_lastButtonState = right_reading;
252
253
254}

const int leftButton = 2;
const int rightButton = 13;
// Variables will change:
int left_ledState = LOW;         // the current state of the output pin
int left_buttonState;             // the current reading from the input pin
int left_lastButtonState = HIGH;   // the previous reading from the input pin
int right_ledState = LOW;         // the current state of the output pin
int right_buttonState;             // the current reading from the input pin
int right_lastButtonState = HIGH;   // the previous reading from the input pin

// the following variables are long's because the time, measured in miliseconds,
// will quickly become a bigger number than can be stored in an int.
long lastDebounceTime = 0;  // the last time the output pin was toggled
long debounceDelay = 50;    // the debounce time; increase if the output flickers

void setup() {
pinMode(12, OUTPUT);
pinMode(11,  OUTPUT);
pinMode(10,  OUTPUT);
pinMode(9,  OUTPUT);
pinMode(8,  OUTPUT);
pinMode(7,  OUTPUT);
pinMode(6,  OUTPUT);
pinMode(5,  OUTPUT);
pinMode(4,  OUTPUT);
pinMode(3,  OUTPUT);
pinMode(rightButton, INPUT);
pinMode(leftButton, INPUT);
Serial.begin(9600);
}

void  loop() {
  

// LEFt

// read the state of the switch into a local variable:
  int left_reading = digitalRead(leftButton);

  // check to see if you just pressed the button 
  // (i.e. the input went from LOW to HIGH),  and you've waited 
  // long enough since the last press to ignore any noise:  

  // If the switch changed, due to noise or pressing:
  if (left_reading != left_lastButtonState) {
    // reset the debouncing timer
    lastDebounceTime = millis();
  } 
  
  if ((millis() - lastDebounceTime) > debounceDelay) {
    // whatever the reading is at, it's been there for longer
    // than the debounce delay, so take it as the actual current state:

    // if the button state has changed:
      if (left_reading != left_buttonState) {
        left_buttonState = left_reading;
        //#1
          digitalWrite(12, left_ledState);
          digitalWrite(11, left_ledState);
          digitalWrite(10, left_ledState);
          digitalWrite(9, left_ledState);
          digitalWrite(8, left_ledState);
          delay(500);
          digitalWrite(12, !left_ledState);
          digitalWrite(11, !left_ledState);
          digitalWrite(10, !left_ledState);
          digitalWrite(9, !left_ledState);
          digitalWrite(8, !left_ledState);
          delay(500);
        //#2
          digitalWrite(12, left_ledState);
          digitalWrite(11, left_ledState);
          digitalWrite(10, left_ledState);
          digitalWrite(9, left_ledState);
          digitalWrite(8, left_ledState);
          delay(500);
          digitalWrite(12, !left_ledState);
          digitalWrite(11, !left_ledState);
          digitalWrite(10, !left_ledState);
          digitalWrite(9, !left_ledState);
          digitalWrite(8, !left_ledState);
          delay(500);
        //#3
          digitalWrite(12, left_ledState);
          digitalWrite(11, left_ledState);
          digitalWrite(10, left_ledState);
          digitalWrite(9, left_ledState);
          digitalWrite(8, left_ledState);
          delay(500);
          digitalWrite(12, !left_ledState);
          digitalWrite(11, !left_ledState);
          digitalWrite(10, !left_ledState);
          digitalWrite(9, !left_ledState);
          digitalWrite(8, !left_ledState);
          delay(500);
        //#4
          digitalWrite(12, left_ledState);
          digitalWrite(11, left_ledState);
          digitalWrite(10, left_ledState);
          digitalWrite(9, left_ledState);
          digitalWrite(8, left_ledState);
          delay(500);
          digitalWrite(12, !left_ledState);
          digitalWrite(11, !left_ledState);
          digitalWrite(10, !left_ledState);
          digitalWrite(9, !left_ledState);
          digitalWrite(8, !left_ledState);
          delay(500);
        //#5
          digitalWrite(12, left_ledState);
          digitalWrite(11, left_ledState);
          digitalWrite(10, left_ledState);
          digitalWrite(9, left_ledState);
          digitalWrite(8, left_ledState);
          delay(500);
          digitalWrite(12, !left_ledState);
          digitalWrite(11, !left_ledState);
          digitalWrite(10, !left_ledState);
          digitalWrite(9, !left_ledState);
          digitalWrite(8, !left_ledState);
          delay(500);
      }
  
        // only toggle the LED if the new button state is HIGH
        if (left_buttonState == LOW) {
          digitalWrite(12, LOW);
          digitalWrite(11, LOW);
          digitalWrite(10, LOW);
          digitalWrite(9, LOW);
          digitalWrite(8, LOW);
          }
        
  }

    
      left_lastButtonState = left_reading;









//Right

  

  // save the reading.  Next time through the loop,
  // it'll be the right_lastButtonState:

int right_reading = digitalRead(rightButton);

  // check to see if you just pressed the button 
  // (i.e. the input went from LOW to HIGH),  and you've waited 
  // long enough since the last press to ignore any noise:  

  // If the switch changed, due to noise or pressing:
  if (right_reading != right_lastButtonState) {
    // reset the debouncing timer
    lastDebounceTime = millis();
  } 
  
  if ((millis() - lastDebounceTime) > debounceDelay) {
    // whatever the reading is at, it's been there for longer
    // than the debounce delay, so take it as the actual current state:

    // if the button state has changed:
      if (right_reading != right_buttonState) {
        right_buttonState = right_reading;
        //#1
          digitalWrite(7, right_ledState);
          digitalWrite(6, right_ledState);
          digitalWrite(5, right_ledState);
          digitalWrite(4, right_ledState);
          digitalWrite(3, right_ledState);
          delay(500);
          digitalWrite(7, !right_ledState);
          digitalWrite(6, !right_ledState);
          digitalWrite(5, !right_ledState);
          digitalWrite(4, !right_ledState);
          digitalWrite(3, !right_ledState);
          delay(500);
        //#2
          digitalWrite(7, right_ledState);
          digitalWrite(6, right_ledState);
          digitalWrite(5, right_ledState);
          digitalWrite(4, right_ledState);
          digitalWrite(3, right_ledState);
          delay(500);
          digitalWrite(7, !right_ledState);
          digitalWrite(6, !right_ledState);
          digitalWrite(5, !right_ledState);
          digitalWrite(4, !right_ledState);
          digitalWrite(3, !right_ledState);
          delay(500);
        //#3
          digitalWrite(7, right_ledState);
          digitalWrite(6, right_ledState);
          digitalWrite(5, right_ledState);
          digitalWrite(4, right_ledState);
          digitalWrite(3, right_ledState);
          delay(500);
          digitalWrite(7, !right_ledState);
          digitalWrite(6, !right_ledState);
          digitalWrite(5, !right_ledState);
          digitalWrite(4, !right_ledState);
          digitalWrite(3, !right_ledState);
          delay(500);
        //#4
          digitalWrite(7, right_ledState);
          digitalWrite(6, right_ledState);
          digitalWrite(5, right_ledState);
          digitalWrite(4, right_ledState);
          digitalWrite(3, right_ledState);
          delay(500);
          digitalWrite(7, !right_ledState);
          digitalWrite(6, !right_ledState);
          digitalWrite(5, !right_ledState);
          digitalWrite(4, !right_ledState);
          digitalWrite(3, !right_ledState);
          delay(500);
        //#5
          digitalWrite(7, right_ledState);
          digitalWrite(6, right_ledState);
          digitalWrite(5, right_ledState);
          digitalWrite(4, right_ledState);
          digitalWrite(3, right_ledState);
          delay(500);
          digitalWrite(7, !right_ledState);
          digitalWrite(6, !right_ledState);
          digitalWrite(5, !right_ledState);
          digitalWrite(4, !right_ledState);
          digitalWrite(3, !right_ledState);
          delay(500);
      }
  
        // only toggle the LED if the new button state is HIGH
        if (right_buttonState == LOW) {
          digitalWrite(7, LOW);
          digitalWrite(6, LOW);
          digitalWrite(5, LOW);
          digitalWrite(4, LOW);
          digitalWrite(3, LOW);
          }
        }
    

    
      right_lastButtonState = right_reading;


}

Downloadable files

Direction Indicator LEDs

Holds the LEDs

Direction Bike.stl

Button Bike 1 STL

Top part of a clamp holding the one of the butto .

file.None

Button Bike 2 STL

Bottom part of a clamp holding one of the buttons.

file.None

Connector Direction Indicator LEDs

Connects the part holding the LEDs with the clamp.

Dir-Cla Bike.stl

Clamp Direction Indicator

Holds the direction indicator with the LEDs.

Clamp 2 Bike.stl

Laser-Cut Plywood Box

Box for Arduino and Breadboard

ArdBox.pdf

Documentation

Wiring Diagram

(Could not get button Data points)

png2pdf.pdf

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