BleepDex
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Draw four channels of CV with your fingertips
22 HP Eurorack module
Bela Trails is a 22HP polyphonic touch-surface gesture recorder for Eurorack. It captures finger movement on a large central capacitive touchpad as four independent channels of X/Y position plus gate (finger up/down), with up to 40 seconds of recording per channel. A dedicated 10x85mm Touch Bar below the pad adds macro slew, playback speed, Euclidean rhythm division and fader-bank interpolation. Four interface modes (selected by the unlabeled Mode button, indicated by an RGB LED) repurpose the same touchpad for drawing, scrubbing a timeline, controlling eight vertical touch faders, and transforming previously recorded gestures around a central origin marked by an asterisk on the panel. CV outputs (8 CV + 4 gates + MIDI) live on a separate breakout submodule; the main 22HP panel exposes only the inputs (clock plus four assignable CVs) and the performance interface. Trails is a controller, sequencer, quantizer, LFO and envelope source all driven from one expressive playing surface.
Explore the interactive Trails panel on BleepDex — tap any control to learn what it does.
Get the most out of your gear.