Description
Overview
The UGE S3-Display 1.9″ Touch Elite Series is built for developers who need more than a basic ESP32 board. The display uses a dedicated 8-bit parallel bus for higher bandwidth and smoother UI updates than a typical SPI screen. Storage, motion sensing, and battery monitoring are onboard, so you can build handheld UIs, dashboards, and portable products without stacking extra modules.
Highlights
8-bit parallel touch LCD
1.9″ 170×320 IPS panel with ST7789, driven over a dedicated 8-bit parallel bus for faster screen updates.
4-bit SDIO microSD
Onboard TF card slot with four data lines in parallel — higher throughput than SPI microSD for images, fonts, logs, and media.
LSM6DSOX 6-axis IMU
Accelerometer + gyroscope with embedded machine-learning support for motion, gesture, and orientation projects.
MAX17048 fuel gauge
Dedicated LiPo state-of-charge monitoring instead of a simple resistor-divider ADC reading.
Key features
- ESP32-S3 wireless MCU with Wi-Fi and Bluetooth Low Energy
- 16 MB Flash + 8 MB Octal PSRAM
- 1.9″ 170×320 IPS capacitive touch display
- ST7789 controller over an 8-bit parallel interface
- 4-bit SDIO microSD socket
- LSM6DSOX 6-axis IMU with embedded ML capabilities
- MAX17048 precision battery fuel gauge
- USB Type-C with onboard TP4056 LiPo charging and charge-status LEDs
- STEMMA QT / I²C expansion connector
- Addressable RGB LED on GPIO1
- BOOT and RESET buttons
- AW9364 backlight driver
- TLV76733 3.3 V regulation
Technical specifications
LCD pin mapping (ST7789, 8-bit parallel)
The parallel bus is dedicated to the display, so UI rendering, animations, and dashboards get higher bandwidth than a typical SPI display board.
Touch and shared I²C bus
Touch uses the onboard I²C bus, so the display data path stays on the parallel interface. The same I²C bus also serves the IMU, fuel gauge, and STEMMA QT connector.
STEMMA QT provides 3.3 V, SDA, SCL, and GND for extra I²C sensors without using display pins.
microSD / SDIO pin mapping
Motion sensing — LSM6DSOX
Onboard STMicroelectronics LSM6DSOX: 3-axis accelerometer + 3-axis gyroscope, with embedded machine-learning support. Suited to motion classification, gesture detection, orientation sensing, activity recognition, wearables, and context-aware interfaces.
- Interface: I²C
- 7-bit address: 0x6A
Battery monitoring — MAX17048
A dedicated MAX17048 fuel gauge tracks LiPo state more reliably than a resistor-divider ADC. Use it for portable instruments, handheld UIs, and battery-aware firmware.
- Interface: I²C
- 7-bit address: 0x36
USB-C and LiPo power
- USB Type-C for power and data
- TP4056 single-cell LiPo charging
- Battery connector for portable operation
- MAX17048 fuel gauge for state-of-charge
- Charging / charged status LEDs
- TLV76733 3.3 V regulation
Onboard RGB LED
Addressable RGB LED on GPIO1 for status, notifications, debug, or visual effects.
Ideal for
- Advanced embedded graphical user interfaces
- Portable instrumentation and handheld devices
- IoT dashboards and control panels
- Data loggers and sensor interfaces
- Robotics controllers and portable control surfaces
- Motion- and gesture-aware projects
- Wearable and battery-powered prototypes
- Custom embedded products
- Rapid UI and firmware prototyping
- Interactive educational and maker projects
Why Elite Series?
This board is for projects where graphics performance, storage speed, sensing, and portable operation all matter. High-bandwidth parallel display, SDIO storage, large Flash and Octal PSRAM, intelligent motion sensing, a dedicated fuel gauge, USB-C, LiPo charging, and I²C expansion come together in one compact platform.
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