Unofficial Web Bluetooth controller

LiteJam BLE Lab

Paint the fretboard, send RGB frames, and inspect the guitar's BLE interface.

Not connected No guitar selected

Guitar setup

Connect to LiteJam Studio

Pair inside this page—not in Windows, macOS, Android, or iOS Bluetooth settings.

  1. 1
    Power onHold the guitar’s Power / Feature button for 3 seconds. The status indicator starts red in Built-In mode.
  2. 2
    Enter pairing modeDouble-press the same button. Stop when the guitar status indicator is blue (Bluetooth Standby).
  3. 3
    Choose the guitarSelect Connect guitar, then choose the LiteJam / RGB guitar in the browser’s device picker.
  4. 4
    Use In-App display modeAfter connection, the status indicator should turn RGB. That is the display mode compatible with this Studio. If it stays blue, double-press once to enter In-App mode.
Guitar not listed or another app had it?

Disconnect it from the LiteJam mobile app or GlowTab, then power-cycle the guitar and repeat the blue Bluetooth Standby step. A BLE guitar can normally maintain only one app connection at a time.

Live LED control

Fretboard painter

RGB decimal
Quick colors

Changing the brush color does not alter cells already painted. Click or drag to paint, use Recolor lit LEDs to recolor the current pattern, or right-click to erase. Frets are numbered 0–24; strings 1–6 use BLE mask bits 0–5.

0 / 150 LEDs lit 1 expected write

Status service 0x00FF

Guitar telemetry

Mode
Battery
Button
Last frame

Experimental

Raw BLE write

Raw writes are for controlled experiments. Malformed packets may be ignored or disconnect the guitar.

Protocol activity

Event log