PUBLIC SYSTEMS INTERFACE

BUILDING AT THE EDGE OF CONTROL.

Adrian Hernandez builds independent systems across cybersecurity, networking, embedded devices, and human-centered technical tools—focused on privacy, resilience, and clear owner control.

ACTIVE PROJECT INDEX

Independent technical projects built around practical use, local control, and carefully defined boundaries.
EMBEDDED SECURITYACTIVE
01 // SENTINEL

ESP32-C6 owner-controlled embedded security and recovery device with primary and recovery PINs, randomized keypad, persistent lockout, secure credential handling, and a focused local recovery vault.

LOCAL RECOVERY // DELIBERATE OWNER ACCESS

ESP32-C6 · SECURE STORAGE
VEHICLE OBSERVABILITYACTIVE
02 // CANary

Portable, local-first passive CAN/OBD-II observability and documentation tool. Preserves evidence around symptoms and timelines to improve driver-mechanic communication.

NO VEHICLE CONTROL // NO DIAGNOSIS CLAIMS

CAN · OBD-II · LOCAL-FIRST
CONVERSATIONAL DEVICEACTIVE
03 // AYVUM

Simple handheld ESP32-S3 conversational AI companion. Hold to talk, ask a question, and receive an answer through a deliberately minimal interface.

DEDICATED INTERFACE // MINIMAL UI

ESP32-S3 · HOLD-TO-TALK
SYSTEMS LABORATORYONGOING
04 // INFRASTRUCTURE

Hands-on networking and cybersecurity homelab work across OPNsense, Ubuntu, Windows, and VMware—building, operating, and learning from real systems.

NETWORKING // SECURITY // VIRTUALIZATION

OPNsense · UBUNTU · WINDOWS · VMWARE

OPERATOR RECORD

IDENTITYPUBLIC
Adrian Hernandez
Independent builder working across cybersecurity, network infrastructure, systems administration, embedded security, and human-centered technical tools.
an@hrndz.xyz ↗
PUBLIC KEYPGP
PGP KEY // NOT YET PUBLISHED
A public signing and encrypted-contact key will be published here after the identity and rotation policy is finalized.
PUBLICATION PENDING
03 // RESTRICTED SYSTEM

PRIVATE COMMAND NODE

The operational dashboard is separate from this public edge and protected by its own access policy. No internal network addressing or topology is exposed here.

ENTER COMMAND NODE