TWIDDLE / PEEK

PEEK

Your next-generation MIDI keyboard. Why replace the one you have?

Polyphonic aftertouch, MPE… with the keyboard you already know.

PEEK, three-quarter view, arm unfolded — Engineering prototype. Production appearance may change.

Upgrade your MIDI keyboard

Hold, sway, slide — vibrato, glides and polyphonic aftertouch.

PEEK upgrades your MIDI keyboard by tracking your fingers on the keys and turning their movements into per-note expression signals, sent with the original notes to your DAW and sound source. The same keys, new expression.

Unfold / fold

PEEK with the arm folded upright — Folded

Engineering prototype. Production appearance may change.

PER-NOTE EXPRESSION

The same keys, new expression

More like playing than a mod wheel, more intuitive than automation curves.

Vibrato on the keys

Hold a note and gently move your finger side to side for violin-like vibrato, with adjustable pitch-bend range.

Expression on the keys

Move your finger forward and back to shape the sound continuously. Expression/modulation is the default; any CC can be mapped.

MIDI passthrough

Notes, velocity and pedal messages pass through unchanged. Keep your DAW projects and sound libraries.

Ready in 10 seconds

Connect to your computer with one USB-C cable. Automatic startup calibration identifies black and white keys in 10 seconds.

No added latency

Instant response that follows your playing.

DETAILS

PEEK camera close-up — **Camera**Per-note Pitch Bend with adjustable range, for natural violin-like pitch vibrato.

PEEK rear connections close-up — **Connections**Your keyboard's notes, velocity and pedal pass through unchanged; the downstream USB-A port takes the keyboard, and it is still one cable to the computer.

PEEK base buttons close-up — **Base buttons**All you need to learn: sway side to side, move up and down. One USB-C cable, automatic smart calibration at power-on.

PEEK arm joint and base — **Arm joint**Sits above your keyboard: no disassembly, no rewiring, no sensors to attach.

Engineering prototype. Production appearance may change.

Demo videoPrototype

SPECS

Specifications

Item	Specification
Sensing	Machine-vision expression engine · Approx. 25-key working area
Expression output	Per-note Pitch Bend and expression control · Standard MPE output · Polyphonic aftertouch output · Any CC mapping
Connections	Upstream USB-C to host · Downstream USB-A to keyboard · 3.5mm MIDI IN / OUT
Calibration	Automatic calibration in ten seconds at power-on
Processing	On-board processing; video is processed locally
Configuration tool	Windows / macOS
Latency	Measured data pending

Compatibility

Per-note expression requires an MPE sound source.

Compatibility

PEEK has no pressure sensing
The first generation supports a key range of approx. 25–30 keys
Keyboard compatibility tiers: keyboards with a dedicated MIDI OUT connect directly with no driver; USB-only keyboards need a driver on the computer

PEEK

Launching on Kickstarter soon