soRound OS

Big ideas.
Round screen.

Made for a 1.75-inch round AMOLED.
Time, tools and a little inspiration, all on one screen.

Get started Explore the apps
TYPE / BOLDNative LVGL preview
466 × 466
Round AMOLED
24
Built-in apps
62
Published watch faces
ESP32-S3
Made for this board

A small screen,
a clear expression.

Five visual styles. 62 watch faces.
Give time a look of its own.

ORBIT / Ring

Published watch faces

Circular markers put time back in orbit.

Native UI renders with sample data, rather than live device readings.

Find the one that feels like you.Five collections. 62 expressions of time. Explore all 62 faces

The watch face collection

Browse by collection. Choose a face for a closer look.

The current beta includes all 62 faces, with 32 new additions. Existing IDs and saved selection are retained. Choose faces directly from the launcher or through Settings. Beta.36 remains withdrawn; do not install it.Read the current beta release notes

Every image comes from the native firmware renderer. STUDIO uses black backgrounds. These are not device photos or frame-rate evidence; installation of this public image still awaits device verification.

Weather screen with a colored dot-matrix rain cloud, temperature and humidity

Everyday essentials.

Weather · Calendar · Timer · Stopwatch
Settings · OTA updates

Check the weather. Time your focus.
Keep everyday things within reach.

Audio visualizer with a colored dot-matrix spectrum

Tools at hand.

Wi-Fi · I2C · System info
Audio · Level · Bluetooth remote · Digital twin

See sound. Sense orientation.
Or use it as a Bluetooth remote for your computer.

Wooden Fish screen with a wooden percussion instrument, a mallet and a tap counter

A little play.

Maze · Fluid · Dice & coin
Book of Answers · Horoscope · Wooden Fish

Find an answer. Tap the wooden fish.
Make a little room for play.

These app previews reflect v1.7 stable. For changes, see the release notes.

Beyond time.
Into daily life.

24 built-in apps. Explore 19 selected interfaces.
Pick one and see what fits inside the circle.

Native LVGL preview of Weather
01 / 19466 × 466 · Native UI

Weather

Colored dot-matrix weather, daily forecasts and more detail. Take a look before heading out.

Everyday essentials.

Tools at hand.

A little play.

Images are rendered from the firmware's LVGL UI with fixed weather, date, network and sensor samples. Interactions happen on the device.

Ready to
wake it up.

One board. One initial flash.
Your soRound starts here.

Made for this board

Waveshare ESP32-S3-Touch-AMOLED-1.75C

Waveshare ESP32-S3-Touch-AMOLED-1.75C with a silver metal enclosure, round display and side buttons
Official Waveshare photo. The screen shows the factory demo.
View the Waveshare board
Display
1.75 inches · 466 × 466
Memory
32 MB Flash · 8 MB PSRAM
Sensor
QMI8658 six-axis IMU
Wireless
2.4 GHz Wi-Fi · BLE
Development
ESP-IDF · LVGL 9

  1. Check your board

    Designed for the 1.75C model. Check your hardware first.

  2. Install the firmware

    Use USB for the initial flash. Follow the full setup guide.

  3. Stay up to date

    Connect to Wi-Fi and check for updates in the device's OTA app.

Setup guide Get firmware

The current beta requires two 8 MiB app slots. Recording storage needs separate initialization; normal OTA does not migrate or format partitions. Before updating, read the partition notes. A Release app image does not replace the full initial flash.

Stable v1.7 Beta channel v1.7-beta.38

About the author

SoBigRice.

The developer behind soRound OS.

Visit my personal website for more projects, photography and creative work.

Visit my website sobigrice.com