Skip to main content
Nastrotek
Menu

Resources

Tools

View all tools
Data Converters
Hex, Base64 & Byte Array ConverterJSON to C Array/Struct ConverterNastrotek recommendsBinary / Bitwise CalculatorColor Picker & ConverterImage Format Converter
JSON & Text Tools
JSON Formatter & ValidatorMDX Preview OnlineRegular Expression TesterMarkdown to HTML ConverterText Case ConverterURL Encoder / DecoderJWT Debugger & Token Generator
Embedded Assets
OLED/TFT Preview & C Array ToolLVGL Font ConverterQR Code Generator
Protocol Parsers
BLE Advertisement Parser
United StatesEN
United StatesEnglishViệt NamTiếng Việt

Notes

Embedded UI notes for small screens

Embedded UI

Displaying Expressive GIFs on ESP32 with LVGL

Real ESP32 display prototype running an LVGL interface during development

A practical guide to animated GIF expressions in ESP32 firmware: convert assets, enable LV_USE_GIF, store files, and render with lv_gif.

Embedded UIFirmwareLVGL+1
Embedded UI

GIF, PNG, JPG, or a C Array: Which Image Format Fits Your ESP32 Screen?

A small round display showing an expressive face, surrounded by GIF, PNG, JPG, and C array format badges

Compare GIF, PNG, JPG, and C array images for ESP32 displays by flash use, RAM use, decode speed, alpha, animation, and quality.

Embedded UIFirmwareLVGL+1
Embedded UI

What Is Embedded UI, And Why It Matters

Hand-held embedded display prototype running a real LVGL interface

What embedded UI means for small devices, why small screens have small budgets, and why it deserves attention as its own discipline.

Embedded UIProduct DesignHardware

Nastrotek uses cookies for analytics and ad personalization to help us understand how the site is used. You can accept or decline non-essential cookies.