Erick Uribe — builds things that glow in racks

Retail operations and national accounts since 1999. Nights and weekends, a rack in the garage and a refusal to guess at root cause.

Selected builds

NerdMiner V2 — REST API fork fork

Forked the NerdMiner firmware to expose a REST API, so a shelf of ESP32 miners could be herded from one controller instead of poked at one screen at a time. Then the interesting part: on DigiByte, every single share came back rejected.

shares accepted ........ 0 / 32 pool response .......... rejected (invalid) bitcoin coinbase ..... 312 chars ok digibyte coinbase .... 524 chars ← does not fit utils.cpp ............ char coinbase_buffer[512] silently truncated → malformed share → 100% reject buffer 512 → 1024 shares accepted ....... 20 / 20

A fixed 512-byte buffer in utils.cpp was truncating DigiByte's longer coinbase without complaining. Nothing logged an error — the miner cheerfully submitted garbage. Reading both sides of the protocol end-to-end found it; guessing at pool settings never would have.

Dashboard · live

Homelab HUD

A 1U rack-mounted status screen. Three pages of retro CRT dashboard covering the network, the servers, and a crypto page, driven off a shared internal API.

Raspberry Pi 5 · kiosk browser

Weather station · open source

The Pencreus

Retro terminal weather station on a reflective LCD — the panel is readable in direct sun and sips power. Home of the mascot art, including the portrait up top.

Waveshare ESP32-S3-RLCD-4.2 · source

Kitchen companion · live

Kitchen HUD

A 5-inch wall companion with seven screens — weather, calendar, transit, printers — built glance-first, so the thing you need is the biggest thing on screen.

ESP32-8048S050 · 800×480 touch

Home control · live

Garage Display

Six-tile touch controller for the garage, wired into Home Assistant. Dark theme, big targets, and a touch calibration that took longer to get right than the rest of it combined.

ESP32-2432S028 · ESPHome

Printer monitor · port

BambuHelper, ported port

Ported an existing Bambu printer monitor to a 480×480 Guition panel and wrote a custom glance UI for it. Every colour rendered as a photo negative — which turned out to be two unrelated bugs stacked on top of each other, not one.

Guition ESP32-S3-4848S040 · LovyanGFX

Flight tracker · live

ATC-Pi FlightTrackr

Calls out aircraft passing overhead, with audio alerts. The amplifier is single-open, so a second process grabbing the audio device fails completely silently — a fun one to chase.

Compute Module 4 · MAX98357A

Also in the rack

Homelab API One FastAPI service every display reads from, so nothing scrapes anything twice.
CamHub Multi-camera ESP32 grid on a Jetson Orin Nano.
Jetson HUD Ultrawide 1280×400 kiosk running on bare X11, no desktop.
EE04 ePaper 7.5-inch e-paper status board. Lives or dies on one inverted busy pin.
Network segmentation Flattened /24 split into four VLANs across UniFi, without breaking casting.
Laser cutter node Pi-driven print server and job spooler with its own little touchscreen.

How I work

In the day job

National account management
Retail and fulfillment operations
Team leadership, hiring and training
Cross-functional programs
Budget management, market analysis

In the garage

ESP32 / ESP-IDF / ESPHome / PlatformIO
Raspberry Pi, Jetson, Linux services
Python, FastAPI, C++, HTML/CSS/JS
MQTT, REST, Home Assistant
UniFi networking, VLANs, Docker

Either way

Read the source before naming a cause
Separate what's verified from what's a hunch
One big number beats a wall of gauges
Plain language over vendor jargon
Slow is fine. Confidently wrong isn't.

Background

2021 — present

National Account Manager · Amazon Device Sales

New business development, bringing first- and second-party devices into the bulk sales channel. Coordinates across demand planning, finance, legal, marketing and tech. +163% year-over-year growth.

2020 — 2021

Device Area Manager · Amazon Field Sales

Ran offline retail for Amazon, eero, Ring and Blink across Southern California — six direct market managers into Best Buy, Target, Home Depot, Lowe's and Kohl's. Held recommendation rates up through the pandemic, and launched the field sales newsletter and a formal diversity, equity and inclusion program.

2019 — 2020

Area Manager II · Amazon Fulfillment

Launched a fulfillment center concept that had never existed before: 400,000 square feet, over a million cubic feet of storage, running inbound, outbound, inventory, quality and learning. Wrote the daily and weekly processes the site ran on, and hired and trained the second leadership team in one week to hit a fixed start date.

2017 — 2019

Senior Retail Experience Manager · Amazon Pop-Up

Opened three physical stores from the ground up — smart home experiences built around Alexa and third-party products. Number one store by volume one month after launch, at near-perfect NPS.

2015 — 2017

Store Manager, then District Business Specialist · T-Mobile

Twelve staff in a high-volume corporate store, promoted to a "Must Win" location within six months. Before that, B2B sales training across ten stores and 200+ employees — a rebuilt onboarding process lifted new hires 24% above tenured reps.

2012 — 2015

Regional Account Manager · VHA

70+ independent prepaid wireless retailers across three western territories — sales, finance and audit compliance. +8% market share in Las Vegas in four months.

1999 — 2012

Store Management · big-box retail and wireless

Thirteen years running big-box retail stores and wireless stores — the floor-level operations experience everything above is built on.

Education

BA, Business Administration · Cal State San Bernardino

College of Business and Public Administration. English and Spanish.

Elsewhere

LinkedIn Instagram GitHub

No email, no phone number, no home address on here — by design. Reach me through one of the above.