YUMO SMART CUBE A DIY smart cube built on the ESP32-S3 with a round touch display, 6-axis IMU auto-rotation, live weather, photo gallery, and more — all packed into a cube you just set down and it knows what to show. Built by YUMO BUILDS
🔧 Hardware
Waveshare ESP32-S3-Touch-LCD-1.46 (240MHz, 16MB Flash, 8MB PSRAM) Round 412×412 display (SPD2010, QSPI) QMI8658 6-axis IMU (accelerometer + gyro) MicroSD card slot Blue & Purple LED pairs (GPIO 12 & 13) Physical power button + MOSFET power latch Battery ADC (GPIO 8, 3:1 voltage divider)
🚀 Features
🔄 Auto-rotation — place it on any face, display snaps to the right content instantly via IMU gravity detection
🕐 Live clock — auto timezone via IP geolocation + NTP sync, no setup needed
🌤️ Weather station — live temp, humidity, wind, high/low, auto-detected location via OpenWeatherMap
🖼️ Photo gallery — JPEG photos from SD card, hardware-accelerated, auto-cycles every 4 seconds
😂 Joke fetcher — fresh random joke every 5 minutes from the internet
🎮 Tilt ball game — roll a ball with real gravity using live IMU readings
💡 LED animations — police flash on startup, breath pulse on load, heartwave ambient mode on face 6
😴 Auto sleep — blanks display + LEDs after 2.5 min, wakes on any movement ≥ 0.3g
🔋 Battery monitor — live voltage read from hardware ADC, displayed as percentage
⚡ 60FPS UI — LVGL 9 on a dedicated core, all background tasks pinned to Core 0
📶 WiFiManager — dark-themed captive portal on first boot, saves credentials forever
📺 Watch the Build https://www.youtube.com/@yumobuilds
📄 Licence Free to use for personal and hobby projects. Credit appreciated — tag @yumobuilds if you build one!