TFT_eSPI Projects

UniGeek is a comprehensive multi-tool firmware for ESP32-based handheld devices, offering a suite of tools for WiFi security, Bluetooth analysis, and hardware module interfacing. Built on the Arduino framework and FreeRTOS, it supports a wide variety of hardware including M5Stack, LilyGO, and custom DIY builds.

An interactive 3D jellyfish animation project designed for the ESP32-based Cheap Yellow Display (CYD). It features a low-poly rendering engine, touch-based camera and color controls, and a custom 3D-printable enclosure designed with OpenSCAD.

A high-performance OutRun-style racing game for the ESP32-S3 featuring procedural tracks, 3D mesh rendering, and a dynamic day/night cycle. It utilizes the TFT_eSPI library and PSRAM double-buffering to achieve smooth visuals on an ILI9341 display.

The Seeed Studio XIAO Debug Mate is an open-source multi-tool based on the ESP32-S3 designed for debugging embedded systems. It integrates a DAPLink debugger, a serial UART monitor, and a high-precision power profiler with visual feedback via an onboard 2.01-inch TFT LCD and a 36-LED matrix. The project utilizes FreeRTOS, LVGL for its graphical interface, and the TFT_eSPI library for display management.

PixelRoot32 is a lightweight, modular 2D game engine written in C++17 for ESP32 microcontrollers and PC simulation. It features a scene-based architecture, NES-style audio synthesis, and a high-performance rendering pipeline optimized for embedded hardware using DMA transfers.

dtuGateway is an ESP32-based firmware that bridges Hoymiles HMS-series solar inverters with integrated Wi-Fi to smart home ecosystems. It provides reliable data monitoring and remote control via MQTT, REST API, and openHAB, bypassing the limitations of the official cloud interface. The project supports various local displays and features a captive portal for easy configuration.

This project provides optimized configurations and benchmarking tools for three common ST7789-based IPS displays with resolutions of 170x320, 240x280, and 240x320. It leverages the TFT_eSPI library to achieve high frame rates on ESP32 and RP2040 microcontrollers, including detailed wiring and setup files for various hardware platforms.

This project provides a feature-rich custom firmware for ESP32-based EleksTube IPS digital clocks, enabling internet time synchronization and weather updates. It utilizes the TFT_eSPI library for high-quality display management and LittleFS for asset storage, while offering a web-based configuration portal and MQTT integration for smart home ecosystems.

Gaggimate is an ESP32-based smart control upgrade for Gaggia espresso machines, providing a custom UI for temperature monitoring and pump control. It leverages the FreeRTOS-based ESP32 platform using LVGL and TFT_eSPI for its display interface, and NimBLE-Arduino for wireless connectivity.

An optimized Nintendo Entertainment System (NES) emulator rewritten for the ESP32 platform. It supports full audio emulation and achieves native speeds on dual-core ESP32 hardware using the Arduino framework and TFT_eSPI library.

A security-focused firmware for ESP32 microcontrollers that replicates Pwnagotchi-style peer detection and network interaction. It supports Wi-Fi scanning, deauthing, and BLE functions while providing an emotional interface through various display modules.

An autonomous virtual pet application for the ESP32-S3 that 'feeds' on nearby WiFi networks. It features a full-color UI on an ST7789 display, persistent state management via Preferences, and a custom behavior engine that evolves the pet based on environmental factors.

An ESP32-based telemetry display for Alfa Romeo Giulia and Stelvio JTDm vehicles. It interfaces with a Bluetooth OBD2 adapter to monitor engine parameters, DPF regeneration cycles, and battery health using the LVGL graphics library on a touchscreen TFT display.

A comprehensive collection of LVGL (Light and Versatile Graphics Library) examples and tutorials for ESP32 and ESP8266 platforms. It supports multiple development frameworks including Arduino, ESP-IDF, and MicroPython, providing drivers and UI templates for various display types.

An ESP32-powered air quality monitoring system featuring the Sensirion SEN66 sensor and a LilyGO TTGO T-Display. It tracks CO2, particulate matter, VOC, and NOx indices, offering both a local TFT interface and a responsive web dashboard with historical graphing and JSON API support.

An enhanced firmware for the Mochi car pet device, targeting ESP32-based hardware like the M5Dial. It adds features such as a GPS-based speed gauge, real-time clock, and customizable settings using the TFT_eSPI library and ESP-NOW for sensor data transmission.

A specialized GNSS navigation system designed for human-powered aircraft pilots, specifically optimized for the Japan International Birdman Rally at Lake Biwa. It features a dual-core architecture on the Raspberry Pi Pico 2 to handle high-speed TFT map rendering, GPS tracking, and SD card data logging simultaneously.

A specialized port of the ESP32-Marauder firmware tailored for the Cheap Yellow Display (CYD) hardware family. It provides a comprehensive suite of WiFi and Bluetooth testing tools, including wardriving, packet capture, and signal analysis, optimized for various ESP32 and ESP32-S3 touch screen modules.

A standalone hardware TOTP generator for the ESP32 platform, featuring a touch-screen interface powered by LVGL. It provides a secure way to manage MFA codes without a smartphone, supporting WiFi time synchronization and SD card configuration.

Mote is an open-source ESP32-S3 voice companion device designed to bring personal AI into the physical world. It features real-time speech-to-text via Deepgram, natural voice synthesis through ElevenLabs, and an animated face display. The project includes a complete firmware stack, a gateway server, and a mobile application for configuration.

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.

A modular, high-performance weather display system for the LilyGO T-Display S3 powered by an ESP32-S3. It provides real-time weather updates via the OpenWeatherMap API, featuring a smooth 40 FPS UI, automatic NTP time synchronization, and robust error recovery.

A custom ESP8266 firmware for Geek Magic smart clock clones featuring NTP synchronization, Pomodoro timers, and a web-based configuration dashboard. It utilizes the TFT_eSPI library for display management and LittleFS for asset storage. The project also includes a Linux-based companion server for forwarding system notifications to the device display.

PixelForge is a browser-based image converter that transforms PNG and JPG images into Arduino-compatible C header files. It supports RGB565 and OLED bitmap formats for popular embedded display libraries like TFT_eSPI and U8g2, targeting platforms such as ESP32, STM32, and RP2040.

A high-performance Arduino compilation CLI tool that utilizes the Ninja build system and Tree-sitter syntax parsing to achieve significantly faster build times than Arduino CLI or PlatformIO. It features intelligent caching, parallel compilation, and a multi-mode linter for precise syntax validation across various hardware platforms including ESP32, AVR, and Renesas.

DisplayKit is a web-based drag-and-drop UI designer for embedded display development. It enables developers to visually design screens and generate optimized C++ code for the TFT_eSPI and U8g2 libraries, targeting platforms such as ESP32, STM32, and RP2040.

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.

A high-performance Bitcoin solo miner firmware for ESP32, ESP32-S3, and ESP32-C3 microcontrollers. It utilizes hardware-accelerated SHA-256 and pipelined assembly optimizations to deliver hashrates up to 1+ MH/s while supporting various TFT and OLED displays.

An internet-connected weather station application for the ESP32 Cheap Yellow Display (CYD). It features a 3-day forecast using the OpenWeather API, displaying weather icons and data on a 2.8-inch TFT screen. The project utilizes LittleFS for asset storage and the TFT_eSPI library for high-performance graphics.

A high-performance Nintendo Entertainment System (NES) emulator ported to the ESP32, capable of running games at native speeds with full audio. It leverages FreeRTOS for concurrent CPU and APU emulation and supports various memory mappers covering approximately 79% of the NES library.

An open-source firmware for ESP32-S3 microcontrollers that replicates and extends the functionality of the Bus Pirate hardware tool. It provides an interactive CLI for sniffing, sending, and scripting various digital and radio protocols like I2C, SPI, UART, CAN, and Sub-GHz.

A lightweight, cross-platform GUI library written in pure C, designed for native performance on Linux, Windows, and embedded platforms like ESP32. It provides a minimal footprint with a comprehensive suite of widgets and is highly customizable for resource-constrained environments.

A comprehensive security-focused firmware for ESP32, ESP8266, and RTL8720DN platforms designed for wireless auditing and hardware hacking. It provides a robust toolkit for Sub-GHz, Wi-Fi, BLE, RFID/NFC, and Infrared signal manipulation across various devices like M5StickC and Cardputer.

A comprehensive open-source firmware for the LilyGo TWatch 2020 series based on the ESP32 and Arduino framework. It features a custom UI engine, Lua scripting, BLE/WiFi connectivity, and integration with Gadgetbridge for smartphone notifications.

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 demonstration project for the RP2040 microcontroller featuring the LVGL 8.3 graphics library and TFT_eSPI driver. It supports a 3.5-inch ILI9488 TFT display and XPT2046 resistive touch controller using the Arduino framework within PlatformIO.