marquez-portfolio
MATA Company Site
This portfolio — high-contrast product surface, inquiry system, and live project previews.
Next.js · TypeScript · Three.js · Firebase · Vercel · Cloudflare
Portfolio and GitHub
Public builds, working previews, and source.
MATA's portfolio spans product websites, flowchart tools, dashboards, NFC systems, connected-device protocols, developer tools, data utilities, compression, embedded libraries, and operations interfaces.
Official public organization
MATA Company on GitHub
Follow the public MATA Company organization for its GitHub profile and future organization-owned releases. The project cards below link to the public repository currently hosting each selected build.
View github.com/MATA-CompanySelected public work
Featured
Nodes
Nodes
Dependency-free SVG flowchart editor — real symbols, attached connectors, JSON projects, SVG/PNG export.
Vanilla JS · SVG · Local-first
apc-temperature-dashboard
APC Air Quality
Cinematic Raspberry Pi-ready cafeteria temperature and indoor-air-quality dashboard.
TypeScript · React · Vite · IoT
TapAuth
TapAuth
Raspberry Pi NFC attendance and reservation kiosk with local-first MySQL and Firebase sync.
Python · Flask · NFC · Firebase
OpenNet
OpenNet
Typed messaging for ESP32, Raspberry Pi, and backends — JSON and binary over TCP/TLS, UART, Bluetooth.
Python · C++ · IoT · Protocol
Relay
Relay
Conservative timing-risk source review for Python and common compiled and scripting languages.
Python · Static analysis · CLI
Datary
Datary
Local-first terminal laboratory for turning program and simulation output into reproducible evidence.
Python · CLI · Data quality
Lowpack
Lowpack
Local-first, application-aware lossless packing built on proven codecs.
Python · Compression · CLI
Custom-Arduino-Libraries
Arduino LED Patterns
Non-blocking LED and digital-output patterns for Arduino, ESP32, and RP2040.
C++ · Arduino · ESP32
APC_BMDashboard
APC Building Dashboard
Building management dashboard for campus operations visibility.
JavaScript · Dashboard