A fireworks display

5 DIY Countdown Timers to Celebrate Your New Year

Once again, the season of joy, fill our stomachs with mouth-watering dishes, and our hearts with cherished moments that are about to end. This means it’s also time to start thinking about gift ideas for your Great Uncle Barnaby and for festive decor. It also means that New Year, an equally predictable day, is just around the corner.


If you’ve already covered Thanksgiving and Christmas decor but don’t know what to do with your New Year’s festivities, don’t worry. We’ve rounded up five cool countdown projects to make your New Year’s Eve celebrations even brighter.


1. Countdown timer and shooting sound

While there are countless ways to celebrate the transition into a new year, fireworks are the signature symbol to usher in. Locals in Sydney, Australia, gather at the famous Opera House to watch one of Australia’s largest fireworks displays. In San Francisco, they head to the Golden Bridge, where they can enjoy spectacular fireworks displays along with great views.

Whether you’re joining other outdoorsy locals in your area or prefer to host New Year’s Eve parties, a programmable countdown timer and fire switch (which can be used to set off fireworks or anything else) will undoubtedly make a great addition to your celebrations. check the Huster guide For more details on how to build it.

2. Happy New Year Snow Globe

You can build a lot of popular holiday decorations, but nothing is more important than a snowball in the winter holidays and New Year’s celebrations. It’s charming, timeless, makes the perfect gift, and even better, it’s incredibly customizable. You can even pair a snow globe with a countdown timer on New Years Eve so that it goes off at the turn of the year. this is Huster guide Shows how to use the micro:bit camera/vision sensor and HuskyLens AI to make a snow globe that plays at the end of the countdown.

3. Digital Countdown to Christmas/New Year

There are two types of people when it comes to Christmas celebrations: those who adore and anticipate Christmas all year long, and those who celebrate it only because others love it.. If you’re in the first category, you’re probably excited right now and are already counting down the days until you put together your Christmas decor.

Build this digital timer for Christmas, shown in file Hackster tutorialIt will make the countdown process easier. It is controlled by an Arduino and features a small LCD screen that uploads a digital picture each day, displaying the number of days until Christmas. check this out Awesome DIY smart trees to add sparkle to the festivities that you can create to match this Christmas timer.

4. Arduino New Year Countdown Clock

While some people are counting down to Christmas, others are eagerly waiting for the New Year to come because it means catching up with old friends they haven’t seen all year to celebrate. For others, the New Year is a symbol of hope for a better tomorrow after a difficult period in the current year.

No matter how you view this important day, the Arduino based countdown clock will tell you precisely how long is left until the New Year. Uses the real time clock to evaluate the current time and determine the number of days, hours, minutes and seconds left until the old year is over and there is a new one here. check the Instruction Manual For a list of supplies and instructions.

5. Party Alarm Clock Popper

If you’re not much of a fixer but want to countdown the days of Christmas or New Year in style, the Party Popper Alarm Clock is the perfect DIY project for you. It is based on an inexpensive digital alarm that is connected to a Picaxe controller and a servo motor.

When Picaxe detects a loud input signal, it turns on the servo to pull the string of the gig bobber, connected to the alligator clip setup. Once the party popper goes off, it’s followed by a soft tone for whatever track you choose, which means you can use it to count down the seconds until Christmas Day and New Years Eve.

The party popper countdown timer does a lot for its simple setup. Check out how to build it in RobotShop community Instructs. If you are making this as an alarm clock for everyday use, here are some more DIY Alarm Clocks to Start a Great Day for inspiration.

Bonus: some tips and tricks for Arduino programmers

Many DIY projects are based around an Arduino microcontroller – for example, here are some of the Best Arduino Radio Projects You should consider trying. This means that the better you work with this open source platform, the better your projects will be. In light of that, here are some helpful Arduino tips and tricks to keep in mind:

To read smooth code

While writing code is obviously a major part of programming, you need to check the code you wrote, so you can spot errors and improve the way it works. While doing this, it is very easy to lose your place in the code. To make sure this isn’t a problem, open the file you’re writing as a read-only copy for proofreading, while using the original to make the changes.

Use descriptive variable names

Making the variable names as descriptive as possible makes your code readable and easier to understand now and in the future, including for other programmers if you share it. Therefore, use descriptive variable names wherever you can.

Zoom in on the Arduino web editor

While you can always work offline, using the Arduino web editor when writing code for your Arduino based projects is the way to go. The editor allows you to upload your diagrams and save them to the cloud, making them easily accessible across all your devices. You will also be able to access the latest IDE without necessarily having to install updates on your device. Never used the editor before? here it is Arduino.cc . guide to begin with.

Authenticate your code

Documentation is perhaps one of the most tedious parts of the programming process. However, it is an essential task because it protects your intellectual rights over the code, and makes it easy to modify it in the future. So, as always, make sure your code is properly documented. Start with a good nomenclature, and add a full explanation of why the code is achieving its purpose, all the functionality created along with a description of what they do and where they can be found in the code.

Enjoy your vacation

Celebrating New Year’s Eve with the projects you’ve coordinated from the start makes the event more exciting and memorable. So, feel free to recreate or modify any of these New Year’s celebration countdown projects to your liking.

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