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meowbox (MEOWBOX)

May 31, 2026

An ESP32-S3 embedded system on a custom 20 x 20 cm PCB with Rust firmware, dual displays, audio, and LED hardware.

Developed an ESP32-S3-based embedded system featuring 10 user inputs, dual displays, dual buzzers, a speaker, and 16 LEDs.

Designed as a 20 x 20 cm FR-4 PCB with ENIG finish.

Implemented firmware in Rust with 3,000+ lines using the Embassy asynchronous framework.

Designed a 100+ component PCB in KiCad and validated circuit behavior using LTspice.

Example Header

Implemented a reliable power delivery network using bulk, distributive, and decoupling capacitors to minimize voltage ripple and noise.