Esp32 GitHub Repositories (2026) · Open Source Tools

Open source display firmware for the NRF52840 and ESP32

Tasmota unofficial firmware builds. Install via Tasmota WebInstaller

High speed USB serial port LED strip driver for HyperHDR using ESP32 or ESP32-S2 devices. Multi-segment & multi-core support.

Open-source circuit and MCU firmware simulator for mixed-signal co-simulation, deterministic CI, and MCP workflows. STM32, ESP32, RP2040.

ISO-DEP (ISO 14443-4) NFC relay for the Flipper Zero. Read a real contactless card on a phone/Evil-Cardputer, relay APDUs over Wi-Fi to an ESP32-C3 bridge, and emulate the card to the reader with the Flipper. Ported from Evil-M5Project.

DIY parallel 2.4 GHz WiFi capture array (Hak5 WiFi Coconut style) from spare ESP32-C3/C5 boards: one channel per node, merged live into Wireshark. Passive, stdlib Python.

Develop and debug FoloToy AI Passport firmware without the device: an ESP32-C3 emulator that runs unmodified ESP-IDF images in the browser (WebAssembly) or on macOS and Windows, with a CLI and an MCP server for AI agents.

Self-contained e-ink dashboard firmware for ESP32-S3 (TRMNL 7.5" DIY kit): crypto & forex, Claude Code and Codex usage limits, air quality, mail, weather. No server needed.

E-Ink-Abfahrtsdisplay für MVG/MVV-Haltestellen (Heltec Vision Master E290)

Sming - powerful open source framework simplifying the creation of embedded C++ applications.