DrumMachine

http://lukewestby.com/elm-drum-machine

A drum machine built with Elm and the Web Audio API

Instructions

• Add a Track by clicking Add Track at the bottom.
• Red sections are turned off, click to turn them on.
• Use the dropdown on the left of each track to change the Instrument.
• Adjust the tempo using the input at the top - tempo is in quarter notes per minute.

Details

I built this to have fun times with Elm 0.17 and help find bugs in the new things it introduces. More info about how 0.17 helps with certain aspects of a program like this forthcoming.

Acknowledgements

• I got the audio samples from http://smd-records.com/tr808/?page_id=14
• Thank you to @evancz for creating Elm.
• Thank you to @eeue56 for answering all ∞ of my questions while encountering bugs in the 0.17 alpha release.