RotaryKnob
Round 360 × 360 touchscreen, encoder, and haptics for media, lighting, weather, and timers.
Home Assistant. With a real interface.
Bring media, lighting, weather, and timers to a precise rotary control with a round touchscreen and tactile feedback.
One device for everyday actions.
Responsive local controls, open documentation, and no required cloud account. The hardware ships unflashed; the browser wizard installs both processors step by step.
Two processors
The S3 keeps the interface fluid while a second ESP32 handles Home Assistant communication.
Guided installation
Flash both chips, connect Wi-Fi, add them to Home Assistant, and select your targets.
RotaryKnob hardware
Based on the unflashed JC3636K518C module, with an open and reproducible firmware path.
- Display
- JC3636K518C, round 360 × 360 QSPI panel
- Controllers
- ESP32-S3 plus a separate ESP32
- Touch
- Capacitive CST816 touch controller
- Haptics
- DRV2605 with LRA motor
- Input
- EC1 rotary encoder
- Firmware
- ESPHome, LVGL, and native Home Assistant API
What it controls
Media
Volume, transport, playlists, podcasts, radio, and cover screensavers.
Lighting
Light selection, brightness, scenes, and WLED presets.
Weather
Forecast, daily temperature arc, and focused rain radar.
Timers
Presets, encoder adjustment, and a tactile completion signal.
Alarm
Direct time selection using touch and encoder.
Settings
Home Assistant selectors for players, weather, and lighting targets.
Order unflashed hardware
After delivery, the installer guides you through both processors.