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Alarm-Clock-Implementation-using-Python

It is no doubt that an alarm clock is always handy to alert us whenever we Sleep, take a short nap, or to remind us about the work, we always get oblivious about.

Our ancestors have been using an alarm clock, going back to its 2,000 years long history but over time, the new advancements in technologies allow us to keep an alarm clock without it containing a dial, gear trains, etc. How? Let’s find out further.

Develop an Alarm Clock using Python with GUI

About the Python Project:

The objective of our project is to implement an alarm clock using Python. Python consists of some very innovative libraries such as datetime and tkinter which help us to build the project using the current date and time as well as to provide a user interface to set the alarm according to the requirement in 24-hour format.

Prerequisites:

This project requires good knowledge of Python and GUI (Graphic User Interface). Python when combined with Tkinter provides a fast and easy way to create GUI applications. Tkinter provides a powerful object-oriented interface to the Tk GUI toolkit. All the modules used need not be downloaded beforehand like the other libraries like NumPy, thus this project will be user friendly and accessible in any virtual environment used for python programming.

Project File Structure

First, let’s check the steps to build an Alarm Clock program in Python:

Importing all the libraries and modules required

Putting forward a while loop which takes the argument of the time, the user wants to set the alarm on and automatically breaks when the time is up, with sound

Create a display window for user input.

Modules Used:

Tkinter module belongs to a standard library of GUI in Python. It helps us to create a dialog box with any information that we want to provide or get from the users.

Datetime and time modules in python help us to work with the dates and time of the current day when the user is operating python and to manipulate it too.

Winsound module provides access to the basic sound playing machinery provided by Windows platforms. This is useful to generate the sound immediately when a function is called.

Explanation:

Define a function named as alarm() which takes the argument of (set_alarm_timer).It contains a while loop with a Boolean function True which makes the program automatic to work. time.sleep(1) halts the execution of the further commands given until we get the time value from the user later in the code and returns the background thread of the clock time going on at a regular interval.

Get the current time using current_time which takes the argument of datetime.datetime.now().

now is used to print the time and date is used to print the current date by string conversion using strftime().

Define another function here named actual_time() which takes in the user value for setting the alarm in the string format. The same argument of (set_alarm_timer) as alarm before to execute the while loop which we further use while making GUI.

If loop suggests that if the user input time set_alarm_timer matches with the while loop ongoing time now, the message is printed as” Time to Wake up”.

winsound.SND_ASYNC plays the system generated sound as soon the condition satisfies, acting as a reminder for the alarm clock.

To Initialize tkinter, We pass a command under the name clock as Tk().

The dialog box has the title as The Alarm Clock with a geometry of (400*200). We pass on the heading to mention the time format for 24 hours using time_format.

The second heading is given above the user input boxes for the labeling to be “Hour Min Sec” using addTime.

Just to make the dialog box look funkier, adding another label as “when to wake you up” using setYourAlarm.

As we have already converted the current time in the string before (actual time), the variables we initialize for the user input dialog boxes are in StringVar().

Finally make the input boxes such as hourTime, minTime, and secTime which takes the entry of the time the user wants to set the alarm on in 24-hour format. Submit takes the command of the defined function actual_time and executes the clock as it acts as a set button to start the program.

Clock.mainloop() is the basic and the last command was given to compile all the previous commands with their basic settings of color, font, width, axis, etc. and displays the window as soon as the program is run.

Sample Output:

image