Open Source · Cross Platform · Free

LILYGO Spark

Make Firmware Flashing Easier

Browse, download, and flash ESP32 firmware in one click. Built for every LILYGO development board.

Download for your platform
macOS · Windows · Linux
LILYGO Spark - Firmware Center
Firmware Center

All Your Firmware
In One Place

Browse the complete LILYGO firmware catalog organized by product series. See firmware details, version history, file sizes, and flash with one click. Community uploads and factory firmware, all in one unified interface.

Firmware Center
Discovery

Stay Connected
With the Community

Curated news feed from Hackaday, Adafruit, Raspberry Pi, and more. Discover trending projects, tutorials, and maker stories from the embedded community without leaving the app.

Discovery Feed
Embedded Tools

12+ Embedded
Development Tools

Resistor color code decoder, voltage divider, LED current limiter, RC time constant, NE555 timer, ESP32 power mode calculator, and more. Every tool an embedded developer needs, built right in.

Embedded Tools
Firmware Lab

Deep Binary
Analysis

Inspect firmware binaries at the byte level. View chip info, flash layout, partition tables, and segment maps. Verify SHA256 checksums and analyze headers before flashing. Full transparency, zero guesswork.

Firmware Lab

Everything You Need

One-Click Flash Serial Monitor OTA Updates Partition Editor Community Firmware Share Codes Dark Mode Auto-Update Multi-Language Apple Silicon Native Code Signing Offline Mode