embedded-hardware

This repository should serve as a guide to everybody who wants to study software and hardware for embedded systems but doesn't know where to start.

USB 3.2 Gen 1 4-port hub based on TI TUSB8044A. 6-layer impedance-controlled PCB with USB-C cold-socket compliance, hardware power sequencing, and no MCU.

End-to-End Software Framework for Emulating Signal Processing Pipelines

This portfolio showcases my previous work in PCB design and fabrication. It includes pictures of various PCBs that I have designed and fabricated using Eagle PCB tool.

A simple framework of N:N face retrieval system, combined with embedded hardware to explore something about edge computing

🧠 Claude Code Skill — Full-stack PCB design assistant for embedded/IoT. 23 design modules covering schematic, layout, DFM, EMC, RF, thermal, compliance & production. Pairs with 立创 EDA & KiCad.

This repository contains the latest version of my motor driver design project. My role in the project included reverse engineering a Cytron 10-A motor driver, redesigning the driver circuit using Eagle PCB tool, and designing multiple versions to improve the design.

Python serial controller for the LED 16x128 Multi-Language Moving Sign LED matrix display

A PlayStation 2 modchip enable/disable interface board for isolating reset and ground control, with documentation, test results, revision history, and installation notes.

Custom RP2040 development board with USB-C, buck-boost regulation, external-power support, and exposed GPIO.

Manufacturing-ready Li-Ion Battery Protection PCB designed using KiCad 9 with complete documentation, Gerber files, simulations, and manufacturing package.

Industrial EtherCAT Slave PCB Evaluation Board using LAN9252 with SPI interface, production-ready Gerber files, schematics, BOM, and 3D PCB models.

Professional ESP32-WROOM-32 development board with USB-UART programming, 3.3V regulation, BOOT/RESET control, GPIO expansion, I2C ESD protection, and complete KiCad manufacturing documentation.

Custom ATmega328 embedded control board designed in KiCad with Arduino firmware.

English documentation, setup notes, operating guide, and reference links for HALO TOUCH USB Hub Dock with Clock V2.

4-Layer PCB design for ESP32-C3-MINI-1 with integrated Li-Po charging and USB differential pairs.

Fully regulated variable DC power supply using LM317T with Proteus simulation and hardware implementation.

Custom 2-layer PCB designed for ESP32-WROOM-32 microcontroller temperature monitoring with an LM35 sensor interface.

Hardware-first engineering portfolio: PCB design, embedded hardware, and integrated prototypes.