Check out the Clock Portal S3 Ambient Display!
The Clock Portal S3 is a handcrafted retro‑pixel clock and ambient display featuring a vibrant 64×64 RGB LED matrix in a hand finished hardwood frame.
Customizable, colorful, animated screens that let you choose a dynamic or relaxing vibe
Key Features
Display & Visual Modes
- Vibrant 64×64 full‑color RGB LED matrix for a striking retro‑pixel display
- Lively seconds animations glide across the panel
- World Day/Night/Twilight map
- Moon phase display
- Calendar mode with current‑day highlight
- Relaxing “Zen” modes and many other ambient visuals
- Selectable timed rotation between display modes
- Customizable time, date, calendar, and color themes
Timekeeping & Accuracy
- Ultra‑precise timekeeping of ±2 ppm accuracy (about one minute per year) without Wi‑Fi
- Accurate to a few thousandths of a second when connected to Wi‑Fi and synced to NTP servers
- Automatic daylight‑saving and leap‑year adjustments
- Works as a standalone clock/calendar even with no Wi‑Fi connection
- Backup battery keeps time during power outages
Environmental Sensors
- Live temperature display
- Humidity and barometric pressure (with optional sensor)
Controls & Connectivity
- Configurable via Wi‑Fi or built‑in hardware buttons
- 2.4 GHz Wi‑Fi connectivity
- Wireless firmware updates for easy upgrades
- Auto On/Off feature
Build & Power
- Solid, hand finished, hardwood frame
- Powered using a standard USB‑C power supply
Physical Specs
- About 8‑5/8″ square (219 mm)
- Wall mountable or place on table or desk
Great for use in classrooms! A STEM guide for teachers and students is available in the Support section






















