Greg joins Phil and Rohan to share how he built a brewery control system with ESPHome and Home Assistant: Modbus PID retrofits, ESP32-based temperature control with one-wire probes and 24V valves, Bluetooth gravity sensors via proxies, pressure management, and full on-site HA installs with PoE satellites. Watch this episode on YouTube https://homeassistant.fm/ha210 Support the Podcast Get early-access to episodes and an ad-free feed by supporting our Patreon. Support Rohan and Phil on Patreon Share your story We wouldn't be able to do this podcast without community members and home automation enthusiasts sharing their stories. To register your interest to come share your home automation journey, head over to homeassistant.fm and click share your story. Chapters 00:00:00 Intro, sponsors, and Greg’s background 00:05:30 From Modbus PIDs to ESPHome brewery control (gravity, pressure, 1‑Wire) 00:10:45 Turning it into a business: pilot installs, testbeds, and scale 00:15:45 Local-first architecture: on-site Home Assistant, PoE satellites, Bluetooth proxy 00:22:30 Hardware talk: Blue/Yellow/Green, mini PCs, RAM needs, migration plans 00:28:00 Home automations: locks, Reolink presence, candles, sump/dehumidifier monitoring 00:35:00 Water and power: AI-on-the-edge metering, overuse alerts, three-phase pumps & contactors 00:42:00 QoL automations: fish-feeding sensor, night stair lighting, backup ideas 00:49:30 Fun stuff: ESPN team goal lights, polling vs. streaming delays, event triggers 00:55:00 Data + reporting: Utility Meter, History Stats, InfluxDB, AI ideas, alerts, wrap-up This episode was made possible thanks to our sponsors Home Assistant Cloud by Nabu Casa Easily connect to Google and Amazon voice assistants for a small monthly fee that also supports the Home Assistant project. Configuration is via the User Interface so no fiddling with router settings, dynamic DNS, or YAML. Zooz If you're looking to upgrade your smart home - you can’t go past Zooz! Zooz offers a range of affordable and innovative devices, including water leak sensors, water valve controllers, smart plugs and scene controllers. For the best prices on all Zooz products, head over to thesmartesthouse.com Hosts Phil Hawthorne Website Smart Home Products Twitter: @philhawthorne Bluesky: @philhawthorne.com Buy Phil a Coffee Rohan Karamandi Website Smart Home Products Twitter: @rohank9 Buy Rohan a Coffee Advertising Inquiries: https://redcircle.com/brands Privacy & Opt-Out: https://redcircle.com/privacy