tr-808

Roland TR-808 Drum Machine in PureScript

The 808TK is a virtual drum kit instrument for the Decent Sampler platform that utilizes the free 808 Tape sample library from Wave Alchemy.

Free browser-based step sequencer and drum machine. Synth waveforms, filters, ADSR, automation, and live pattern switching. No download, no signup.

🥁 Modern web-based TR-808 drum machine with 16-step sequencer, authentic sounds, and pattern management. Built with React, TypeScript & Web Audio API.

Roland TR-808 drum machine in a Unihiker SBC board

Make a beat. Text it to a friend and build together. A drum machine that lives in one HTML file; no app, no account, any device.

A browser-based sequencer inspired by classic drum machines, twelve voices, sixteen steps, keyboard pads, and endless fun.

*"A virtual Roland TR-707/808/909 drum machine emulator built with Vanilla JavaScript, CSS Grid, and the Web Audio API. freeCodeCamp certification project."*

🥁 Browser-only MIDI drum machine — Web MIDI + Web Audio, no install, no backend. Synthesised kits, classic drum machine sample kits (TR-808, LinnDrum…), clickable SVG drum kit, demo grooves, WAV recorder.

A ReBirth RB-338-style acid rig in the browser: two TB-303 bass synths, an 808 and a 909, a mixer and an FX chain, every voice synthesized live in AudioWorklets. No samples, no image assets, no build step. Vanilla JS ES modules, fully keyboard-accessible.

浏览器里的 8 音轨 16 步进鼓机，八个打击乐音色全部由 Web Audio 算法实时合成，零采样文件 | 8-track 16-step drum machine in the browser; every voice synthesised live with the Web Audio API, zero samples.

A TR-808 and TR-909 step sequencer in the browser — every voice synthesised from the circuit topology, no samples, with a chillwave visualiser and an oscilloscope