Inspiration

Ever get a fire beat stuck in your head and have nowhere to put it down? That was the whole idea behind Rhythm Master. We wanted to build a fun, no-fuss beat maker that lives in your browser, ready whenever inspiration strikes. No installs, no expensive software—just a place to instantly capture your ideas.

How We Built It

Rhythm Master is powered by React Native and Expo, which is how we got it to run smoothly on the web (and mobile!) from a single codebase.

For the sounds, the magic is all handled by the awesome Tone.js library for synths and samples. It’s the engine that plays all the synths and keeps everything locked to the beat. The UI is built with React, and we spent a lot of time making sure it was fast and snappy, even with a ton of notes on the screen.

Challenges We Faced

Getting a web browser to play music perfectly on time is surprisingly tricky! JavaScript's default timers can be a bit wobbly, so our biggest challenge was locking everything into a super tight grid. It was a fun puzzle that involved diving into the Web Audio API to make sure the playback was flawless.

Another fun challenge was making the app feel fast. With so many buttons on the screen, we had to be clever about how the UI updates so it wouldn't lag while a beat is playing. It took a lot of tweaking to get that smooth, responsive feel.

What We Learned

Building Rhythm Master was a blast. We learned a ton about making a complex app feel simple and fun to use. It was our first real deep dive into web audio, and now we know how to turn code into cool sounds. Mostly, we learned that building something you're passionate about is the best way to level up your skills.

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