LVGL case studies with the engineering context intact

Each case identifies what was supplied, what PanelSprint delivered, how the result was reviewed, and which details remain confidential.

Verified client work

Circular animated startup interface for the hair dryer display

Consumer electronics hair dryer

STM32 LVGL interface for a circular hair dryer display

An anonymous consumer electronics manufacturer needed a 240 x 240 hair dryer interface that combined clear operating states with animated visual modes.

Platform: STM32 + FreeRTOS
Display: 240 x 240 ST7789V
Input: Physical mechanical buttons

Read the case study

Reference implementations

Original interface concepts used to show possible screen structures and engineering decisions. These are not customer projects.

Original round smart home controller concept with a dark interface and lime accents

Reference implementation

ESP32 smart home control panel

An original round-screen interface concept for climate, lighting, energy, and scene control on an ESP32-class target.

Compute: ESP32-S3 class MCU
Display: 480 x 480 design target
Input: Capacitive touch

Review the concept

Original rugged industrial controller concept with a landscape dark interface and rotary encoder

Reference implementation

STM32 industrial controller HMI

An original industrial HMI concept that combines machine status, trend review, alarms, and parameter control on an STM32-class target.

Compute: STM32H7 class MCU
Display: 800 x 480 design target
Input: Touch plus rotary encoder

Review the concept

Original rugged equipment dashboard concept with multiple diagnostics views and lime data accents

Reference implementation

Embedded Linux equipment dashboard

An original large-format equipment interface concept for system overview, diagnostics, maintenance, and multi-signal monitoring.

Compute: Embedded Linux MPU
Display: 1280 x 800 design target
Input: Touch plus tactile controls

Review the concept