![]() ![]() The IR receiver is connected to pin 2 as that pin is useable as an external interrupt. On the Arduino Pro Mini, those pins correspond to A4 (SDA) and A5 (SCL). Of note, both the RTC module and the 7-segment w/backpack use the I2C protocol. A PDF version of the schematic is available in the attachments. Finally, we wanted to add some type of auditory buzz when the timer completed, so we incorporated a piezo buzzer.Ĭircuit Diagram: We chose to use EasyEDA to create our schematic. We wanted our parents to be able to adjust the clock from a distance so we chose to incorporate an IR receiver/remote. Those included: an Arduino to run the program, an RTC module to obtain real time clock data, a NeoPixel ring for display, and a 7-segment display to show the time/timer digitally. In order to replicate something similar to this, we needed some essential components. We were basing our idea off of a unique clock design we had seen while perusing the internet. If you are interested in seeing how we made this project or you want to make one for yourself, please follow along! If you have any questions, leave them in the comment section below and we'll try our best to respond quickly! ![]() Also provides auditory feedback whenever a button is pressed on the IR remote Piezo buzzer that buzzes when timer reaches 0. HIIT workout that may require a 1 minute timer with a 30 second break in between sets Recurrent countdown timer that will loop a timer infinitely with a user-input break in between. Countdown timer function that allows user to set a countdown timer. IR sensor that enables that user to adjust clock/timer settings from anywhere in close proximity with IR remote 7-segment display that shows current time of day and illuminates NeoPixel ring according to the current minute of the hour We are very pleased with how the clock turned out and our parents love it! Here is a quick rundown of some of the features of our exercise clock! While we designed the clock with exercise/fitness in mind, this can be created and placed in a variety of other locations! My brother and I always try to make something for our parents for Christmas and we came up with the idea of creating an “Exercise Clock” that not only adds a modern clock into the room but also incorporates a countdown timer so that our parents will not have to fumble with their phone timers anymore. ![]() And oftentimes, our parents will use their phones as a countdown timer for their workouts but they have no dedicated stand for it, so situating it in the room is cumbersome and tedious. While they have an older digital clock in the room, it has no functionality other than telling the time. The inspiration for this project began with our parents and their fitness room. In this Instructable, my twin brother, Sunyecz06, and I will show you how to make a 7-segment NeoPixel Clock with Countdown Timer. ![]()
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