Embedded Systems Articles

Discover how OpenWrt liberates embedded devices from vendor lock-in with fully customizable Linux firmware, complete package management, and production-grade build tools for routers, IoT gateways, and beyond.

geo-tp/ESP32-Bus-Pirate is open-source firmware that transforms ESP32-S3 boards into a multi-protocol hardware hacking tool with 24 operational modes, web-based CLI, and wireless capabilities. MIT licensed, 4,323 GitHub stars.

PegorK/f32 is an experimental 9.85mm ESP32-C3 development board mounting behind USB-C, featuring single-GPIO design, captive portal firmware, and intentional design constraint violations for research and miniaturization exploration.

Discover how novatic14 built a $96 guided rocket launcher prototype using ESP32, 3D printing, and open-source tools. Complete with flight code, CAD files, and build guide.

Discover Icepi SBC, the OSHWA-certified open-source H3 single-board computer with DDR3, eMMC 5.1, 4K GPDI output & 100W USB-C PD. A low-cost Linux platform challenging Raspberry Pi's dominance with fully transparent hardware design.

MimiClaw runs a complete AI assistant with memory, tool calling, and autonomous scheduling on a $5 ESP32-S3 chip — no Linux, no Node.js, just pure C. Discover how this revolutionary project outperforms Raspberry Pi setups at a fraction of the cost and complexity.

Discover how to unlock dual-display power on the M5Stack Cardputer ADV with this complete guide. Learn the critical initialization sequence, exact wiring diagram, and proven code patterns from guicmg's open-source repository that eliminate white-screen frustration forever.

Discover ESP32-A2DP, the Arduino library that transforms any ESP32 into a Bluetooth audio receiver or sender in minutes. Complete guide with real code examples, installation steps, and advanced techniques for building wireless speakers, audio analyzers, and custom audio devices.

Discover zbot: the open-source embedded AI agent running on Zephyr RTOS with LLM support. Features ReAct reasoning, persistent memory, and natural language hardware control for nRF7002-DK and native_sim targets.

Discover Omnibus4X8, the open-source 414Wh programmable power station with Arduino control, Wi-Fi OTA updates, MPPT solar charging, and bidirectional USB-C PD. Build a superior alternative to $500+ commercial units for under $300.