LVGL Projects

An optimized integration of the LVGL graphics library for Raspberry Pi Pico microcontrollers to drive HUB75 RGB LED matrices. Utilizing a dual-core architecture and DMA-driven PIO processes, it enables high-performance UI rendering and animations on large-scale LED panels.

A portable SSH terminal client for the ESP32-S3 T-Deck Plus handheld device. It provides a full SSH2 terminal with PTY support, hardware keyboard integration, and a graphical interface built on FreeRTOS and LVGL. The project targets secure remote server management on compact, battery-powered hardware.

Starkpad is an open-source hardware interface that transforms a Linux-based touchscreen into a fully customizable virtual keyboard, precision touchpad, and programmable macro deck. It features a multi-stage architecture using an Arduino UNO Q for the UI and a Seeed XIAO RP2040 for driverless USB HID emulation.

An ESP32-S3 firmware for monitoring Victron SmartSolar chargers and battery monitors via Bluetooth. It decrypts BLE advertisements using AES-128 and displays real-time metrics on a 3.5-inch LCD using the LVGL library.

A flexible e-paper display driver for the ESP-IDF framework featuring LVGL 9 integration. It supports a wide range of panels including black/white, 4-color BWRY, and 6-color displays with advanced features like Floyd-Steinberg dithering and partial refresh. Designed for low-power IoT devices, electronic shelf labels, and photo frames on ESP32 series microcontrollers.

An ESP32-S3 based portable intelligent electronic load featuring high-precision control and a rich graphical interface. It utilizes FreeRTOS for multi-tasking and integrates PID and Model Predictive Control (MPC) algorithms with Kalman filtering for accurate current regulation. The system supports Constant Current (CC), Constant Power (CP), and Constant Resistance (CR) modes with real-time monitoring via LVGL.

Chronos Watchy is an alternative firmware for the Watchy e-ink smartwatch, built using the LVGL graphics library and the Arduino framework for ESP32. It enables advanced features like turn-by-turn navigation, smartphone notifications, and activity tracking through integration with the Chronos companion app.

A firmware project for ESP32-S3 that acts as a USB-to-BLE HID bridge, allowing Bluetooth controllers like the Xbox Wireless Controller to be used with the Nintendo Switch. It utilizes ESP-IDF, FreeRTOS, and the TinyUSB stack to emulate a Nintendo Switch Pro Controller over USB while acting as a BLE GATT client.

A custom ESPHome-based firmware for the Waveshare ESP32-P4-86-Panel-ETH-2RO, utilizing the LVGL graphics library for a rich touch interface. It integrates with Home Assistant to provide control over lights, climate, media players, and more, while displaying real-time sensor data and weather forecasts.

An ESP32-powered smart display for Bambu Lab A1 and A1 Mini 3D printers featuring an 8-bit pixel art aesthetic. It monitors real-time print status, temperatures, and fan speeds via Wi-Fi and MQTT, while integrating an MPU6050 gyro for motion-synced animations.

An advanced internet radio player based on the ESP32-A1S Audio Kit, utilizing the ESP-ADF framework and FreeRTOS. It features a local web server for remote control, support for multiple audio formats, 10-band equalization, and SD card recording capabilities.

An ESP32-C3 based smart thermos that measures liquid temperature using an NTC thermistor and displays it on a 1.28-inch round capacitive touch screen. The project utilizes the LVGL library for its user interface and NimBLE for Bluetooth connectivity.

A high-performance, DMA and PIO-based driver for HUB75 LED matrix panels targeting the RP2040 and RP2350 microcontrollers. It optimizes display rendering by offloading processing to hardware co-processors, enabling high refresh rates and advanced features like temporal dithering and software brightness control.

A custom firmware launcher for the Tab5 device based on M5Launcher, utilizing the LVGL graphics library for its user interface. It allows users to load and flash binary firmwares from a FAT32-formatted SD card onto the ESP32-P4 based hardware.

An advanced animated character display system based on the ESP32-P4 platform using the DSI interface to drive a 10.1-inch LCD. It features a 12x5 grid for characters and emoji with a unique 'card falling' animation effect. The system utilizes LVGL for UI rendering and NimBLE for BLE communication via an external ESP32-C6 co-processor.

A collection of example projects demonstrating interactive map displays on ESP32 microcontrollers using the 0015__map_tiles component and LVGL. These projects showcase features like GPS navigation, LoRa communication, and SD card-based tile loading across various development boards.

StickiNote is a digital sticky note application optimized for the ESP32-P4 high-performance microcontroller. It utilizes the MIPI DSI interface for 10-inch displays and the LVGL v9 library to provide a smooth, e-paper-styled user interface with persistent storage.

A high-performance library for smooth video playback on ST7735 displays using STM32 microcontrollers and SD cards. It achieves 33-35 FPS by leveraging DMA for both SD card data retrieval and display transmission, utilizing a custom binary video format.

Wally is a bilingual voice-powered AI companion built on the ESP32 platform using the ESP-IDF framework. It features offline voice wake-up, real-time LLM-driven conversations via the XiaoZhi platform, and visual feedback through an LVGL-powered OLED display.

An open-source, 3D-printed robotic platform modeled after NASA's Perseverance rover. It features a distributed control system using Arduino Mega for low-level hardware management, an ESP32-S3-powered touchscreen remote utilizing the LVGL library, and a Raspberry Pi Zero 2W for web-based telemetry and video streaming.

A comprehensive port of the Apache NuttX Real-Time Operating System to the Pine64 PinePhone. It features drivers for the Allwinner A64 SoC, including MIPI DSI display, touch panel, 4G LTE modem, and LVGL graphics integration with multi-core SMP support.

A collection of firmware applications and modules for the PineTime smartwatch based on the RIOT operating system. It features a graphical user interface powered by LVGL and Bluetooth 5.0 connectivity using the NimBLE stack.

A real-time PID control system for DC motors featuring a graphical user interface built with LVGL. It runs on the STM32F746G-Discovery board using FreeRTOS for task management and CMSIS DSP for control logic.

A Zephyr-based reference SDK for the Nordic Thingy53 IoT prototyping platform. It provides drivers and samples for air quality monitoring using the BME688 sensor, OpenThread mesh networking, and C++ application logic with JSON-based configuration.

A Zephyr-based firmware for the PineTime and P8 smartwatches. It provides a complete open-source operating environment featuring BLE time synchronization, LVGL-powered graphics, and over-the-air firmware updates via MCUBoot.

A boilerplate project for the LILYGO T-Display-S3 using the Arduino framework and LVGL graphics library. It features hardware initialization, DMA-backed twin framebuffers, PSRAM integration, and internal flash storage mapping for the ESP32-S3.

A project demonstrating the development of a feature phone user interface using the Zig programming language and the LVGL graphics library. It targets the PinePhone running Apache NuttX RTOS while providing a WebAssembly-based simulation environment for rapid UI development in the browser.

A comprehensive racing steering wheel and dashboard system based on the STM32F407 and FreeRTOS. It supports real-time CAN bus data acquisition for Formula Student race cars and integrates with PC simulators via USB HID and Simhub.

An open-source IoT prototyping platform featuring a removable nRF52840 M.2 module and a versatile dock. It supports Zephyr RTOS and nRF5 SDK, offering advanced features like integrated DAPLink debugging and real-time power profiling for low-power wireless applications.

NuttX is a standards-compliant real-time operating system (RTOS) designed for 8-bit to 32-bit microcontrollers. It features a modular architecture, POSIX/ANSI compatibility, and extensive support for diverse hardware architectures including ARM, RISC-V, and ESP32.

An ESP32-based open-source universal remote firmware utilizing the Arduino framework and LVGL for its graphical user interface. It supports device control via Infrared, Bluetooth Low Energy keyboard emulation, and MQTT for smart home integration, featuring a cross-platform simulator for desktop-based UI development.

An open-source TOTP authenticator application built for the ESP32-based Open-Authenticator hardware. It utilizes the ESP-IDF framework, LVGL for the user interface, and supports WiFi-based configuration and secure token storage.

A comprehensive firmware for ESP32 and STM32F4 microcontrollers that provides a customizable touchscreen UI controlled via MQTT. It utilizes the LVGL graphics library to drive various commodity displays, enabling home automation control through a flexible JSONL-based configuration.

A feature-rich open-source smartwatch based on the STM32F411CEU6 microcontroller. It utilizes FreeRTOS for task management and LVGL v8.2 for its graphical user interface, supporting health tracking, environmental sensing, and Bluetooth connectivity.

A unified hardware abstraction library for microcontrollers including STM32 and ESP32, designed to provide Arduino-like interface consistency. It features a modular architecture for displays, sensors, and input devices, supported by custom VSCode extensions for submodule management.

PikaPython is an ultra-lightweight Python interpreter optimized for microcontrollers with minimal resources, requiring only 4KB of RAM and 64KB of Flash. It provides a zero-dependency C engine with a powerful pre-compiler for seamless C-module integration, supporting a wide range of hardware including STM32, ESP32, and RISC-V platforms.