Smart home & IoT integration
Custom Home Assistant integrations, Lovelace cards, and automations. If a device has a cloud API, a local protocol, or just a serial bus, I can usually bring it into your dashboard and keep it running locally.
G-Tech Consulting LLCMetro Detroit, MI
Software, firmware, and the hardware in between.
I'm Scott Gusler, a software and systems architect. I build custom software, embedded firmware, and smart-home integrations, and I design the identity systems and secure infrastructure underneath them. Some jobs start with reverse-engineering a serial protocol, and some end in a FedRAMP High environment.
- Shipping production software since
- 2007
- Years engineering enterprise identity & access management
- 7+
- Integrations & cards in the default HACS store
- 4
- Years running a chat-controlled arcade
- 6
Services
From a reverse-engineered serial port to a production deployment.
Most projects cross a boundary somewhere: a device and an app, a cloud API and a local network, a prototype and something that has to run unattended. That's where I work best.
Embedded firmware & hardware
ESP32 and Arduino firmware, ESPHome components, UART protocol reverse-engineering, stepper and motor control, RFID, and sensors. I prototype on the bench and build it to run unattended for years.
Custom software
Desktop applications, web services, and integrations in C#/.NET, Python, PHP, and TypeScript. I've shipped medical imaging software, EMR software, real-time hardware control, and chat and streaming integrations.
Identity & access management
SSO and federation, identity governance, virtual directories that merge many sources into one user record, and PKI with certificate-based mutual TLS. I was engineering lead on a FedRAMP High and DoD IL5 platform used by major IAM vendors.
Cloud & DevOps
Infrastructure as code with Terraform on AWS, Google Cloud, and Azure, multi-region high-availability deployments, CI/CD pipelines, and configuration management. Plus the Linux servers, reverse proxies, and TLS that keep sites like this one running.
Networks & IT operations
Eight years running IT for a consulting firm and a school district: Windows, Linux, and macOS servers, Active Directory, firewalls, switching, routing, and wireless, plus the migrations between them.
Selected work
Things I've built, shipped, and kept running.
ClawArcade
A real claw machine that Twitch chat played around the clock, which grew into a whole arcade. Viewers typed commands and physical machines moved. I built the controllers, the firmware, and the C#/.NET control software that tied chat, cameras, and machines together.
- Ten game modes on the claw alone, including queue, chaos, team play, trivia, tic-tac-toe, plinko, and marbles.
- More custom machines: stepper-driven skeeball with bowling and around-the-world modes, a gantry golf game with A* path planning, Kinect bowling, and a chat-controlled water gun.
- RFID-tagged prizes identified automatically on every win and tracked in a database of player wins.
- OBS scene automation, an in-chat currency with bounties and rewards, and localized chat responses.
#clawarcade
chat
Illustration. The commands use the real syntax.
Home Assistant & ESPHome
Integration
Clockwork
Date, time, and duration sensors: time since a state change, offsets, date ranges, seasons, holiday countdowns, and custom automation conditions, all configured in the UI.
Python HACS default
Lovelace card
Solar Panel Grid
Per-panel solar production on a drag-and-drop map of your roof, with power and energy views and minute-resolution historical playback. Built for microinverter systems.
TypeScript HACS default
Integration
iQua Softener
Water softener monitoring and control with real-time WebSocket flow data, remote shutoff-valve control, and on-demand regeneration. I maintain the actively developed fork.
Python HACS default
Integration
Zone Label Trigger
An automation trigger that fires when someone enters or leaves any zone with a given label. One automation covers every work site, store, or family home.
Python HACS default
ESPHome component
Levoit Vital
Local UART control for Levoit Vital 100S and 200S air purifiers. I contributed PM2.5 fixes, a fan-component rework, and full protocol documentation.
C++
ESPHome component
Homelabs Dehumidifier
Reverse-engineered both generations of the unit's UART protocol, one CRC-16 and one XOR-checksummed, to add power, mode, target humidity, and tank-full sensing.
C++
ESPHome component
HTZSafe Receiver
Turns an off-the-shelf wireless driveway alarm into Home Assistant motion sensors by wiring an ESP32 to the receiver's serial output.
C++
Lovelace card
Weekly Meal Calendar
A seven-day meal planner card backed by any Home Assistant calendar, with add and edit right in the card.
JavaScript
More projects
Med-Hot Thermal Imaging since 2008
Totalvision
Clinical thermography software for Med-Hot's medical infrared imaging systems, written in C#, plus custom hardware to drive the camera's pan-tilt-zoom head.
C# · Medical imaging · FLIR cameras
TitanForge Games since 2011
Bang! Bang! Undead!
Games from my independent studio, built with LibGDX for Android and the browser. Bang! Bang! Undead! runs right in your browser.
Java · LibGDX
Open source
I'd rather fix it upstream.
Merged contributions to projects I depend on.
- Ylianst/ESP-IQ2020 Salt-water system sensors, commands, and fixes for IQ2020 hot tub controllers (4 PRs) 2026
- hacs/default Four integrations and cards accepted into the default HACS store 2026
- home-assistant/brands Brand assets for Clockwork and iQua Softener 2026
- dave-code-ruiz/elkbledom Async model loading to fix a startup error in the ELK-BLEDOM LED strip integration 2026
- obs-websocket-dotnet Reworked the .NET client to cover the full documented obs-websocket API 2019
- TwitchLib.Client Fixed stale joined-channel state on reconnect 2019
- duckduckgo/zeroclickinfo-spice Drink-recipe instant answer for DuckDuckGo search 2012
About
One engineer, the whole stack.
G-Tech Consulting LLC is the independent practice of Scott Gusler, a software and systems architect in Metro Detroit who has been shipping production software since 2007. I hold a B.S. in Information Technology from Western Governors University with a cybersecurity focus.
I spent seven and a half years at UberEther leading the integration and deployment of enterprise identity (ICAM) platforms, and was engineering lead on a FedRAMP High and DoD IL5 environment. Before that I spent eight years as an IT administrator running servers, networks, and migrations. Since 2008 I've also developed Totalvision, Med-Hot Thermal Imaging's medical infrared imaging software.
On my own time I built a chat-controlled arcade down to the firmware, shipped games under TitanForge Games, and maintain a growing set of Home Assistant and ESPHome projects. G-Tech brings all of it together: software, hardware, and the secure infrastructure underneath. When you hire G-Tech, you work directly with me.
Certifications
- CompTIA Project+ Active through 2028
Previously certified
- Cisco CCNA Routing & Switching
- Cisco CCNA Security
- CompTIA Security+
- CompTIA Network+
- CompTIA Linux+
- LPI LPIC-1
- Novell Certified Linux Administrator
- CIW v5 Database Specialist
- CNSS 4011
- Now G-Tech Consulting LLC Software, firmware, identity & infrastructure
- 2018 – 2026 UberEther, Inc. Solutions Catalyst · ICAM engineering lead
- 2017 – 2023 ClawArcade Twitch-controlled claw machine & custom arcade
- 2014 – 2018 Macprofessionals, Inc. IT Administrator · networks, servers & DevOps
- 2014 – 2016 Western Governors University B.S. Information Technology, cybersecurity focus
- 2011 TitanForge Games Independent game studio, LibGDX
- 2010 – 2014 West Branch–Rose City Schools IT Administrator · district network & servers
- 2008 – present Med-Hot Thermal Imaging Application Developer · Totalvision medical imaging
- 2007 – 2010 Spartacus Consulting Senior Developer · EMR web applications
Contact
Have a device, a system, or an idea that needs to talk to something else?
Tell me about it. Small fixes and big builds are both welcome, and email is the quickest way to reach me.