Blinky Fish - Kickstarter Project

• Step-by-step assembly instructions
• Code example
• Eagle files
• Fabrication files
• Invoices

Note: I didn't include instructions for soldering or installing the Arduino software.  Let me know if you have any trouble.

***

Here are the parts to make one blinky fish.
1 - Blinky Fish board
3 -  Red LEDs
3 -  220ohm resistors
1 - 10Kohm resistor
1 - right angle header with 6 pins
1 - push button
Some solder

Here is the soldering iron I am using:  Hakko FX888D-23BY Digital Soldering Station FX-888D FX-888

Here are the large images that shipped with the class room  kits.

LEDs have to go in like this, or they will not work.

Here is the code shown in the Kickstarter video.   Hold the button down and the LEDs light up one at a time, release the button and they go off one at a time.


You can copy and paste the code below into the Arduino program, get it here --  http://arduino.cc/en/Main/Software

//****ARDUINO CODE *******

// blinky_1  
//LED'S on one at a time
// LED'S OFF one at a time

//Pins
int Led1 = 11;
int Led2 = 10;
int Led3 = 9;
int Button = 12;
int PullUp = 13;

int ButtonState = 0;
int oldButtonState = 0;

void setup() {
  pinMode(Led1, OUTPUT);
  pinMode(Led2, OUTPUT);
  pinMode(Led3, OUTPUT);
  pinMode(Button, INPUT);
  pinMode(PullUp,OUTPUT);
  digitalWrite(PullUp, HIGH);
}

void loop() {

  ButtonState = digitalRead(Button);

  if (ButtonState != oldButtonState){
    if (ButtonState == HIGH){
      digitalWrite(Led1, HIGH);
      delay(300);
      digitalWrite(Led2,HIGH);
      delay(300);
      digitalWrite(Led3,HIGH);
      delay(300);
    }
    else{
      digitalWrite(Led3,LOW);
      delay(300);
      digitalWrite(Led2,LOW);
      delay(300);
      digitalWrite(Led1,LOW);
      delay(300);
    }
    oldButtonState = ButtonState;
  }
}

Here is a fun sketch from Kathy, who is a Kickstarter backer --- Thanks Kathy!!

when the button is pressed, it will turn the leds on and blink them like a Larsen Scanner. And if you hold down the button for a few seconds, it'll turn it off.

/////////////////////  ARDUINO CODE //////////////////////////////////////
/*Combines code from "Getting Started with Arduino" by Massimo Banzi
http://shop.oreilly.com/product/9780596155520.do */
/*
from Kathy on Kickstarter - 4/7/2013
when the button is pressed, it will turn the leds on and blink them like a Larsen Scanner. And if you hold down the button for a few seconds, it'll turn it off.
*/

int button = 12; //button on pin 12
int pullup = 13; // use pullup on pin 13

int button_state = 0; // see if button has been pressed
int val = 0; // used to store the state of the input pin
int old_val = 0; // previous value of "val"
int delay_time = 250; // how fast or slow the leds blink

void setup(){
// set up leds as output
for (int i = 11; i > 8; i--){
pinMode(i, OUTPUT);
}
pinMode(button, INPUT); //set up button as input
digitalWrite(pullup, HIGH); // set up the pullup to be on
}

void loop(){
{
val = digitalRead(button); //read if the button is pressed

//check to see if there is a change
if ((val == HIGH) && (old_val == LOW)) {
button_state = 1 - button_state;
delay(10);
}
old_val = val;
if (button_state == 1){
for (int i = 11; i > 8; i--){
digitalWrite(i, LOW); // if the leds are on and the button is pressed, turn them off
}
}
else {
blinky_fish(); // if the leds are off and the button is pressed, turn them on
}
}
}

void blinky_fish(){
//blink the leds on and off in sequence like KITT in Knight Rider (aka Larsen

for (int i = 11; i > 8; i--){
digitalWrite(i, HIGH);
delay(delay_time);
digitalWrite(i, LOW);
}
for (int i = 9; i < 11; i++){
digitalWrite(i, HIGH);
delay(delay_time);
digitalWrite(i, LOW);
}
}

Here are the designs in a format that you can can open and change.

A sample version can be downloaded here http://www.cadsoftusa.com/download-eagle/

The schematic is Blinky_2.sch
The board design is Blinky_2.brd

These are the file that you send to the manufacturer when you order printed circuit boards.

Each file shows a layer of the circuit board.

You can view the actual files with a gerber viewer, but they are difficult to change correctly -- I am using GerbV Gerber File Viewer http://gerbv.gpleda.org/

Here is a large order of parts from DigiKey -
This table does NOT include the 10K resistor and the circuit boards.

Index	Quantity	Part Number	Description	Customer Reference	Unit Price USD	Extended Price USD
1	1000	160-1853-ND	LED RED 5MM RND  DIF	RED LED	0.05711	$57.11
2	2500	CF14JT220RCT-ND	RES 220 OHM 1/4W 5% CARBON FILM	220 RES	0.00675	$16.88
3	100	952-2328-ND	36 POS SIL VERT PIN HDR	RA HEADER	0.7425	$74.25
4	300	450-1804-ND	SWITCH TACTILE SPST-NO 0.05A 12V	BUTTON	0.07584	$22.75
5	1	KE1132-ND	SOLDER NO-CLEAN .025" 23AWG 1LB	SOLDER	123.61	$123.61
6	1	SMDSWLF.020 4OZ-ND	SLD WIRE NO-CLEAN 96.5/3/.5 4OZ.	1	$21.75	$21.75
					Subtotal	$316.35
					Shipping	unknown
					Estimated Sales Tax	$19.77
					Total	unknown

Here are the details of the PCB order.

This is from Golden Phonix PCB  -- they have 'quick quotes' here.

This is the manufacturer used by the SparkFun company BatchPCB -- they are good for small orders especially if you are ordering multiple designs.

A few people have asked about buying this, the Kickstarter project is over.  I thought I would try selling them right in the instructable... but that didn't work.

So, here is link that goes to a webpage, that only has the paypal button to buy the kits.

https://sites.google.com/site/shopmarcnow/


You can get either the Blinky Fish Kit alone, the FishBowl "Fish Out of Water" kit alone, or get both.  Shipping is $2.  If you are not in the USA.... I'm not sure what will happen....

Each kit is to make ONE thing (the kickstarter rewards included parts to make a whole bunch, that is why the price here is a little lower)


You can get either the Blinky Fish Kit alone, the FishBowl "Fish Out of Water" kit alone, or get both.  Shipping is $2.  If you are not in the USA.... I'm not sure what will happen....

Each kit is to make ONE thing (the kickstarter rewards included parts to make a whole bunch, that is why the price here is a little lower)