O Watch Programming: Basic Watch

Published March 8, 2016 © MIT

Basic O Watch Program

Basic program to add time and date functions to your O Watch.

BeginnerFull instructions provided1,152

Things used in this project

Hardware components

O Watch Base Kit

O Watch Sensor Kit

Software apps and online services

Arduino IDE

Story

This is an example of how to program the O Watch. Please visit http://theowatch.com/about to learn about the O Watch story.

O Watch Programming: Basic Watch

Let us start with a basic watch program.

We will use the Arduino Time Library to make the watch program.

When we adapt a standard Arduino program for O Watch, you need to keep in mind two things: a) Include and Initialize the TinyScreen library and b) All output will be via the TinyScreen display.

Simple Watch Program 1

/*
* Simple Watch
*
* Demonstrates the use of the Arduino Time library to make a simple digital watch
*
* Uses Arduino Time library http://playground.arduino.cc/code/time  
* Maintained by Paul Stoffregen https://github.com/PaulStoffregen/Time
*
* This code is for the TinyScreen+ board by TinyCircuits used by O Watch http://tiny-circuits.com 
*
* This example is created by O Watch on 6 March 2016 http://theowatch.com 
* 
*/
#include  //include TinyScreen library
#include  //include the Arduino Time library
#include  //include this library for communication with OLED screen
TinyScreen display = TinyScreen(TinyScreenPlus); //Create the TinyScreen object
void setup()
{
 display.begin();                            //Initializes TinyScreen board
 display.setFlip(1);                         //Flips the TinyScreen rightside up for O Watch
 display.on();                               //Turns TinyScreen display on
 display.fontColor(TS_8b_White,TS_8b_Black); //Set the font color, font background
 display.setBrightness(10);                  //Set display brightness 0 - 15
 // Set the time and date. Change this to your current date and time.
 setTime(13,19,55,6,3,2016);    //values in the order hr,min,sec,day,month,year
}
void loop()
{
 display.setFont(liberationSansNarrow_12ptFontInfo);   //Set the font type
 // Print date in US format MM:DD:YY (Switch the order in which day, month, year that you like to use)
 display.setCursor(15,8); //Set the cursor where you want to start printing the date
 display.print(monthShortStr(month()));
 display.print(" ");
 display.print(day()); 
 display.print(", ");
 display.print(year());
 display.setCursor(30,25); //Set the cursor where you want to start printing the date  
 display.print(dayStr(weekday()));
 display.setFont(liberationSansNarrow_16ptFontInfo);   //Set the font type
 // display time in HH:MM:SS 24 hour format
 display.setCursor(20,45); //Set the cursor where you want to start printing the time
 if(hour()
 display.print(hour());
 display.print(":");
 if(minute()
 display.print(minute());
 display.print(":");
 if(second()
 display.print(second());
 display.print(" "); //just a empty space after the seconds
 delay(1000); //delay 1 second
}

You can copy and paste the above program in to your Arduino IDE and upload it to O Watch.

The following are the main functions used here from the Arduino Time library.

setTime(hr,min,sec,day,mnth,yr): Sets the time

hour(): The hour now (0-23)

minute(): The minute now (0-59)

second(): The second now (0-59)

day(): The day now (1-31)

weekday(): Day of the week, Sunday is day 0

month(): The month now (1-12)

year() The full four digit year: (2009, 2010 etc)

monthStr(month()): Gives the month as text string for the retrieved month() value

dayStr(day()): Gives the month as text string for the retrieved day() value

Simple Watch 2

Now let us take it a step forward and write a watch with functions to update the time and date. In this we will also see how to use the buttons to select the part of the program (or function) you want to run. We will also see how to use the Arduino for and switch/case statements.

/*
* Simple Watch 2
*
* Demonstrates the use of the Arduino Time library to make a simple digital watch
* In this we write functions to set time and date and learn how to use the buttons
* Also learn Arduino 'switch' and 'for' statements/commands
*
* Uses Arduino Time library http://playground.arduino.cc/code/time  
* Maintained by Paul Stoffregen https://github.com/PaulStoffregen/Time
*
* This code is for the TinyScreen+ board by TinyCircuits used by O Watch http://tiny-circuits.com 
*
* This example is created by O Watch on 6 March 2016 http://theowatch.com 
* 
*/
#include  //include TinyScreen library
#include  //include the Arduino Time library
TinyScreen display = TinyScreen(TinyScreenPlus); //Create the TinyScreen object
void setup()
{
 display.begin();                            //Initializes TinyScreen board
 display.setFlip(1);                         //Flips the TinyScreen rightside up for O Watch
 display.on();                               //Turns TinyScreen display on
 display.fontColor(TS_8b_White,TS_8b_Black); //Set the font color, font background
 display.setBrightness(10);                  //Set display brightness 0 - 15
 // Set the time and date. Change this to your current date and time.
 setTime(13,19,55,6,3,2016);    //values in the order hr,min,sec,day,month,year
 //Show info at start to say what each button does
 display.setFont(liberationSansNarrow_14ptFontInfo);
 display.setCursor(35,30);
 display.print("Set");
 display.setFont(liberationSansNarrow_10ptFontInfo);
 display.setCursor(5,7);
 display.print("Shows Time 10s>");
 display.setCursor(60,45);
 display.print("Date>");  
 display.setCursor(5,45);
 display.print("
 delay(8000);
 display.clearScreen();
}
void loop()
{
 //Switch statement to select part of code to run based on button selection
 switch (display.getButtons()) 
 {
   //Run updateTime function 
   case TSButtonLowerLeft:
     display.on();
     updateTime();
     delay(200);
     display.off();
     break;
   //Run updateDate function
   case TSButtonLowerRight:
     delay(200);
     display.on();
     updateDate();
     delay(200);
     display.off();
     break;
   //Show time for 10 seconds 
   case TSButtonUpperRight:
     display.on();
     for(int i=0; i
     {
       display.setFont(liberationSansNarrow_12ptFontInfo);   //Set the font type
       // Print date in US format MM:DD:YY (Switch the order in which day, month, year that you like to use)
       display.setCursor(15,8); //Set the cursor where you want to start printing the date
       display.print(monthShortStr(month()));
       display.print(" ");
       display.print(day()); 
       display.print(", ");
       display.print(year());
       display.setCursor(30,25); //Set the cursor where you want to start printing the date  
       display.print(dayStr(weekday()));
       display.setFont(liberationSansNarrow_16ptFontInfo);   //Set the font type
       // display time in HH:MM:SS 24 hour format
       display.setCursor(20,45); //Set the cursor where you want to start printing the time
       if(hour()
       display.print(hour());
       display.print(":");
       if(minute()
       display.print(minute());
       display.print(":");
       if(second()
       display.print(second());
       display.print(" "); //just a empty space after the seconds
       delay(1000); //delay 1 second           
     }
     delay(200);
     display.clearScreen();
     display.off();
     break;
 }
 delay(200);
}
//Function to update time
void updateTime()
{
 //Set hour
 display.clearScreen();
 display.setFont(liberationSansNarrow_8ptFontInfo);   //Set the font type
 display.setCursor(2,15);
 display.print("");
 display.setCursor(15,40);
 display.setFont(liberationSansNarrow_12ptFontInfo);   //Set the font type
 display.print("Set Hour:");
 int myhour=hour();
 while(!display.getButtons(TSButtonUpperLeft))
 {
   display.setCursor(75,40);
   if(myhour
   display.print(myhour);
   if(display.getButtons(TSButtonUpperRight))
     myhour++;
   if(display.getButtons(TSButtonLowerRight))
     myhour--;
   if(myhour
   if(myhour>24) myhour=0;
   delay(200);
 }
 setTime(myhour, minute(), second(), day(), month(), year());
 delay(500);
 display.clearScreen();
 display.setCursor(10,25);
 display.print("Hour Saved");
 delay(1000);
 //Set minute
 display.clearScreen();
 display.setFont(liberationSansNarrow_8ptFontInfo);   //Set the font type
 display.setCursor(2,15);
 display.print("");
 display.setCursor(15,40);
 display.setFont(liberationSansNarrow_12ptFontInfo);   //Set the font type
 display.print("Set Mins:");
 int myminute=minute();
 while(!display.getButtons(TSButtonUpperLeft))
 {
   display.setCursor(75,40);
   if(myminute
   display.print(myminute);
   if(display.getButtons(TSButtonUpperRight))
     myminute++;
   if(display.getButtons(TSButtonLowerRight))
     myminute--;
   if(myminute
   if(myminute>60) myminute=0;
   delay(200);
 }
 setTime(hour(), myminute, second(), day(), month(), year());
 delay(500);
 display.clearScreen();
 display.setCursor(10,25);
 display.print("Minute Saved");
 delay(1000);
 //Set second
 display.clearScreen();
 display.setFont(liberationSansNarrow_8ptFontInfo);   //Set the font type
 display.setCursor(2,15);
 display.print("");
 display.setCursor(15,40);
 display.setFont(liberationSansNarrow_12ptFontInfo);   //Set the font type
 display.print("Set Secs:");
 int mysecond=second();
 while(!display.getButtons(TSButtonUpperLeft))
 {
   display.setCursor(75,40);
   if(mysecond
   display.print(mysecond);
   if(display.getButtons(TSButtonUpperRight))
     mysecond++;
   if(display.getButtons(TSButtonLowerRight))
     mysecond--;
   if(mysecond
   if(mysecond>60) mysecond=0;
   delay(200);
 }
 setTime(hour(), minute(), mysecond, day(), month(), year());
 delay(500);
 display.clearScreen();
 display.setCursor(10,25);
 display.print("Second Saved");
 delay(1000);
 display.clearScreen();
}
//Function to update time
void updateDate()
{
 //Set day
 display.clearScreen();
 display.setFont(liberationSansNarrow_8ptFontInfo);   //Set the font type
 display.setCursor(2,15);
 display.print("");
 display.setCursor(10,40);
 display.setFont(liberationSansNarrow_12ptFontInfo);   //Set the font type
 display.print("Set Day:");
 int myday=day();
 while(!display.getButtons(TSButtonUpperLeft))
 {
   display.setCursor(75,40);
   if(myday
   display.print(myday);
   if(display.getButtons(TSButtonUpperRight))
     myday++;
   if(display.getButtons(TSButtonLowerRight))
     myday--;
   if(myday
   if(myday>31) myday=0;
   delay(200);
 }
 setTime(hour(), minute(), second(), myday, month(), year());
 delay(500);
 display.clearScreen();
 display.setCursor(10,25);
 display.print("Day Saved");
 delay(1000);
 //Set month
 display.clearScreen();
 display.setFont(liberationSansNarrow_8ptFontInfo);   //Set the font type
 display.setCursor(2,15);
 display.print("");
 display.setCursor(10,40);
 display.setFont(liberationSansNarrow_12ptFontInfo);   //Set the font type
 display.print("Set Month:");
 int mymonth=month();
 while(!display.getButtons(TSButtonUpperLeft))
 {
   display.setCursor(75,40);
   if(mymonth
   display.print(mymonth);
   if(display.getButtons(TSButtonUpperRight))
     mymonth++;
   if(display.getButtons(TSButtonLowerRight))
     mymonth--;
   if(mymonth
   if(mymonth>60) mymonth=0;
   delay(200);
 }
 setTime(hour(), minute(), second(), day(), mymonth, year());
 delay(500);
 display.clearScreen();
 display.setCursor(10,25);
 display.print("Month Saved");
 delay(1000);
 //Set Year
 display.clearScreen();
 display.setFont(liberationSansNarrow_8ptFontInfo);   //Set the font type
 display.setCursor(2,15);
 display.print("");
 display.setCursor(10,40);
 display.setFont(liberationSansNarrow_12ptFontInfo);   //Set the font type
 display.print("Set Year:");
 int myyear=year();
 while(!display.getButtons(TSButtonUpperLeft))
 {
   display.setCursor(68,40);
   if(myyear
   display.print(myyear);
   if(display.getButtons(TSButtonUpperRight))
     myyear++;
   if(display.getButtons(TSButtonLowerRight))
     myyear--;
   if(myyear
   if(myyear>2030) myyear=2010;
   delay(200);
 }
 setTime(hour(), minute(), second(), day(), month(), myyear);
 delay(500);
 display.clearScreen();
 display.setCursor(10,25);
 display.print("Year Saved");
 delay(1000);
 display.clearScreen();
}

Note the following from this second program:

User Defined Functions: You see two functions updateTime() and updateDate() that are written by the user and called from the main loop.

Switch/Case: The use of Arduino Switch/Case statements to select the code block/function you want to run.

For: Arduino for statements to create a loop for a specific number of runs.

display.on() and off(): We use these TinyScreen functions to switch off the display when not needed to conserve power.

There you have your basic digital watch that can last most of the day. Hope this gives you enough of an idea to make your own versions of the watch.

Now that you've completed this basic watch program, have a look at the other O Watch projects from the community https://www.hackster.io/o-watch.

/*
 * Simple Watch
 *
 * Demonstrates the use of the Arduino Time library to make a simple digital watch
 *
 * Uses Arduino Time library http://playground.arduino.cc/code/time  
 * Maintained by Paul Stoffregen https://github.com/PaulStoffregen/Time
 *
 * This code is for the TinyScreen+ board by TinyCircuits used by O Watch http://tiny-circuits.com 
 *
 * This example is created by O Watch on 6 March 2016 http://theowatch.com 
 * 
*/

#include <TinyScreen.h> //include TinyScreen library
#include <TimeLib.h> //include the Arduino Time library
#include <SPI.h> //include this library for communication with OLED screen

TinyScreen display = TinyScreen(TinyScreenPlus); //Create the TinyScreen object

void setup()
{

  display.begin();                            //Initializes TinyScreen board
  display.setFlip(1);                         //Flips the TinyScreen rightside up for O Watch
  display.on();                               //Turns TinyScreen display on
  display.fontColor(TS_8b_White,TS_8b_Black); //Set the font color, font background
  display.setBrightness(10);                  //Set display brightness 0 - 15
  
  // Set the time and date. Change this to your current date and time.
  setTime(13,19,55,6,3,2016);    //values in the order hr,min,sec,day,month,year

}

void loop()
{

  display.setFont(liberationSansNarrow_12ptFontInfo);   //Set the font type

  // Print date in US format MM:DD:YY (Switch the order in which day, month, year that you like to use)
  display.setCursor(15,8); //Set the cursor where you want to start printing the date
  display.print(monthShortStr(month()));
  display.print(" ");
  display.print(day()); 
  display.print(", ");
  display.print(year());

  display.setCursor(30,25); //Set the cursor where you want to start printing the date  
  display.print(dayStr(weekday()));

  display.setFont(liberationSansNarrow_16ptFontInfo);   //Set the font type

  // display time in HH:MM:SS 24 hour format
  display.setCursor(20,45); //Set the cursor where you want to start printing the time
  if(hour()<10) display.print(0); //print a leading 0 if hour value is less than 0
  display.print(hour());
  display.print(":");
  if(minute()<10) display.print(0); //print a leading 0 if minute value is less than 0
  display.print(minute());
  display.print(":");
  if(second()<10) display.print(0); //print a leading 0 if seconds value is less than 0
  display.print(second());
  display.print(" "); //just a empty space after the seconds
  delay(1000); //delay 1 second
  
}

/*
 * Simple Watch 2
 *
 * Demonstrates the use of the Arduino Time library to make a simple digital watch
 * In this we write functions to set time and date and learn how to use the buttons
 * Also learn Arduino 'switch' and 'for' statements/commands
 *
 * Uses Arduino Time library http://playground.arduino.cc/code/time  
 * Maintained by Paul Stoffregen https://github.com/PaulStoffregen/Time
 *
 * This code is for the TinyScreen+ board by TinyCircuits used by O Watch http://tiny-circuits.com 
 *
 * This example is created by O Watch on 6 March 2016 http://theowatch.com 
 * 
*/

#include <TinyScreen.h> //include TinyScreen library
#include <TimeLib.h> //include the Arduino Time library
#include <SPI.h> //include this library for communication with OLED screen


TinyScreen display = TinyScreen(TinyScreenPlus); //Create the TinyScreen object

void setup()
{
  display.begin();                            //Initializes TinyScreen board
  display.setFlip(1);                         //Flips the TinyScreen rightside up for O Watch
  display.on();                               //Turns TinyScreen display on
  display.fontColor(TS_8b_White,TS_8b_Black); //Set the font color, font background
  display.setBrightness(10);                  //Set display brightness 0 - 15
  
  // Set the time and date. Change this to your current date and time.
  setTime(13,19,55,6,3,2016);    //values in the order hr,min,sec,day,month,year

  //Show info at start to say what each button does
  display.setFont(liberationSansNarrow_14ptFontInfo);
  display.setCursor(35,30);
  display.print("Set");
  display.setFont(liberationSansNarrow_10ptFontInfo);
  display.setCursor(5,7);
  display.print("Shows Time 10s>");
  display.setCursor(60,45);
  display.print("Date>");  
  display.setCursor(5,45);
  display.print("<Time");
  delay(8000);
  display.clearScreen();
}

void loop()
{

  //Switch statement to select part of code to run based on button selection
  switch (display.getButtons()) 
  {

    //Run updateTime function 
    case TSButtonLowerLeft:
      display.on();
      updateTime();
      delay(200);
      display.off();
      break;

    //Run updateDate function
    case TSButtonLowerRight:
      delay(200);
      display.on();
      updateDate();
      delay(200);
      display.off();
      break;

    //Show time for 10 seconds 
    case TSButtonUpperRight:
      display.on();
      for(int i=0; i<11; i++)
      {
        display.setFont(liberationSansNarrow_12ptFontInfo);   //Set the font type
        // Print date in US format MM:DD:YY (Switch the order in which day, month, year that you like to use)
        display.setCursor(15,8); //Set the cursor where you want to start printing the date
        display.print(monthShortStr(month()));
        display.print(" ");
        display.print(day()); 
        display.print(", ");
        display.print(year());
      
        display.setCursor(30,25); //Set the cursor where you want to start printing the date  
        display.print(dayStr(weekday()));
      
        display.setFont(liberationSansNarrow_16ptFontInfo);   //Set the font type
      
        // display time in HH:MM:SS 24 hour format
        display.setCursor(20,45); //Set the cursor where you want to start printing the time
        if(hour()<10) display.print(0); //print a leading 0 if hour value is less than 0
        display.print(hour());
        display.print(":");
        if(minute()<10) display.print(0); //print a leading 0 if minute value is less than 0
        display.print(minute());
        display.print(":");
        if(second()<10) display.print(0); //print a leading 0 if seconds value is less than 0
        display.print(second());
        display.print(" "); //just a empty space after the seconds
        delay(1000); //delay 1 second           
      }
      delay(200);
      display.clearScreen();
      display.off();
      break;
    
  }
  delay(200);
}


//Function to update time
void updateTime()
{

  //Set hour
  display.clearScreen();
  display.setFont(liberationSansNarrow_8ptFontInfo);   //Set the font type
  display.setCursor(2,15);
  display.print("<Save | Change>");
  display.setCursor(15,40);
  display.setFont(liberationSansNarrow_12ptFontInfo);   //Set the font type
  display.print("Set Hour:");
  int myhour=hour();
  while(!display.getButtons(TSButtonUpperLeft))
  {
    display.setCursor(75,40);
    if(myhour<10) display.print("0");
    display.print(myhour);
    if(display.getButtons(TSButtonUpperRight))
      myhour++;
    if(display.getButtons(TSButtonLowerRight))
      myhour--;
    if(myhour<0) myhour=24;
    if(myhour>24) myhour=0;
    delay(200);
  }
  setTime(myhour, minute(), second(), day(), month(), year());
  delay(500);
  display.clearScreen();
  display.setCursor(10,25);
  display.print("Hour Saved");
  delay(1000);

  
  //Set minute
  display.clearScreen();
  display.setFont(liberationSansNarrow_8ptFontInfo);   //Set the font type
  display.setCursor(2,15);
  display.print("<Save | Change>");
  display.setCursor(15,40);
  display.setFont(liberationSansNarrow_12ptFontInfo);   //Set the font type
  display.print("Set Mins:");
  int myminute=minute();
  while(!display.getButtons(TSButtonUpperLeft))
  {
    display.setCursor(75,40);
    if(myminute<10) display.print("0");
    display.print(myminute);
    if(display.getButtons(TSButtonUpperRight))
      myminute++;
    if(display.getButtons(TSButtonLowerRight))
      myminute--;
    if(myminute<0) myminute=60;
    if(myminute>60) myminute=0;
    delay(200);
  }
  setTime(hour(), myminute, second(), day(), month(), year());
  delay(500);
  display.clearScreen();
  display.setCursor(10,25);
  display.print("Minute Saved");
  delay(1000);

  //Set second
  display.clearScreen();
  display.setFont(liberationSansNarrow_8ptFontInfo);   //Set the font type
  display.setCursor(2,15);
  display.print("<Save | Change>");
  display.setCursor(15,40);
  display.setFont(liberationSansNarrow_12ptFontInfo);   //Set the font type
  display.print("Set Secs:");
  int mysecond=second();
  while(!display.getButtons(TSButtonUpperLeft))
  {
    display.setCursor(75,40);
    if(mysecond<10) display.print("0");
    display.print(mysecond);
    if(display.getButtons(TSButtonUpperRight))
      mysecond++;
    if(display.getButtons(TSButtonLowerRight))
      mysecond--;
    if(mysecond<0) mysecond=60;
    if(mysecond>60) mysecond=0;
    delay(200);
  }
  setTime(hour(), minute(), mysecond, day(), month(), year());
  delay(500);
  display.clearScreen();
  display.setCursor(10,25);
  display.print("Second Saved");
  delay(1000);
  display.clearScreen();
  
}

//Function to update time
void updateDate()
{

  //Set day
  display.clearScreen();
  display.setFont(liberationSansNarrow_8ptFontInfo);   //Set the font type
  display.setCursor(2,15);
  display.print("<Save | Change>");
  display.setCursor(10,40);
  display.setFont(liberationSansNarrow_12ptFontInfo);   //Set the font type
  display.print("Set Day:");
  int myday=day();
  while(!display.getButtons(TSButtonUpperLeft))
  {
    display.setCursor(75,40);
    if(myday<10) display.print("0");
    display.print(myday);
    if(display.getButtons(TSButtonUpperRight))
      myday++;
    if(display.getButtons(TSButtonLowerRight))
      myday--;
    if(myday<0) myday=31;
    if(myday>31) myday=0;
    delay(200);
  }
  setTime(hour(), minute(), second(), myday, month(), year());
  delay(500);
  display.clearScreen();
  display.setCursor(10,25);
  display.print("Day Saved");
  delay(1000);

  
  //Set month
  display.clearScreen();
  display.setFont(liberationSansNarrow_8ptFontInfo);   //Set the font type
  display.setCursor(2,15);
  display.print("<Save | Change>");
  display.setCursor(10,40);
  display.setFont(liberationSansNarrow_12ptFontInfo);   //Set the font type
  display.print("Set Month:");
  int mymonth=month();
  while(!display.getButtons(TSButtonUpperLeft))
  {
    display.setCursor(75,40);
    if(mymonth<10) display.print("0");
    display.print(mymonth);
    if(display.getButtons(TSButtonUpperRight))
      mymonth++;
    if(display.getButtons(TSButtonLowerRight))
      mymonth--;
    if(mymonth<0) mymonth=60;
    if(mymonth>60) mymonth=0;
    delay(200);
  }
  setTime(hour(), minute(), second(), day(), mymonth, year());
  delay(500);
  display.clearScreen();
  display.setCursor(10,25);
  display.print("Month Saved");
  delay(1000);

  //Set Year
  display.clearScreen();
  display.setFont(liberationSansNarrow_8ptFontInfo);   //Set the font type
  display.setCursor(2,15);
  display.print("<Save | Change>");
  display.setCursor(10,40);
  display.setFont(liberationSansNarrow_12ptFontInfo);   //Set the font type
  display.print("Set Year:");
  int myyear=year();
  while(!display.getButtons(TSButtonUpperLeft))
  {
    display.setCursor(68,40);
    if(myyear<10) display.print("0");
    display.print(myyear);
    if(display.getButtons(TSButtonUpperRight))
      myyear++;
    if(display.getButtons(TSButtonLowerRight))
      myyear--;
    if(myyear<2010) myyear=2030;
    if(myyear>2030) myyear=2010;
    delay(200);
  }
  setTime(hour(), minute(), second(), day(), month(), myyear);
  delay(500);
  display.clearScreen();
  display.setCursor(10,25);
  display.print("Year Saved");
  delay(1000);
  display.clearScreen();
  
}

Credits

O Watch

9 projects • 15 followers

Make your own smartwatch. Learn 3D design and Arduino coding.

Basic O Watch Program

Things used in this project

Hardware components

Software apps and online services

Story

O Watch Programming: Basic Watch

Code

Watch 1

Watch 2

Credits

O Watch

Comments

Embed the widget on your own site

Basic O Watch Program

Basic O Watch Program

Things used in this project

Hardware components

Software apps and online services

Story

O Watch Programming: Basic Watch

Code

Watch 1

Watch 2

Credits

O Watch

Comments

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