Brewing With Home Assistant: From Modbus PIDs to ESPHome Fermentation Control with Greg Martin
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 YouTubehttps://homeassistant.fm/ha210Support the PodcastGet early-access to episodes and an ad-free feed by supporting our Patreon.Support Rohan and Phil on PatreonShare your storyWe 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.Chapters00:00:00 Intro, sponsors, and Greg’s background00:05:30 From Modbus PIDs to ESPHome brewery control (gravity, pressure, 1‑Wire)00:10:45 Turning it into a business: pilot installs, testbeds, and scale00:15:45 Local-first architecture: on-site Home Assistant, PoE satellites, Bluetooth proxy00:22:30 Hardware talk: Blue/Yellow/Green, mini PCs, RAM needs, migration plans00:28:00 Home automations: locks, Reolink presence, candles, sump/dehumidifier monitoring00:35:00 Water and power: AI-on-the-edge metering, overuse alerts, three-phase pumps & contactors00:42:00 QoL automations: fish-feeding sensor, night stair lighting, backup ideas00:49:30 Fun stuff: ESPN team goal lights, polling vs. streaming delays, event triggers00:55:00 Data + reporting: Utility Meter, History Stats, InfluxDB, AI ideas, alerts, wrap-upThis episode was made possible thanks to our sponsorsHome Assistant Cloud by Nabu CasaEasily 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.ZoozIf 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.comHostsPhil HawthorneWebsiteSmart Home ProductsTwitter: @philhawthorneBluesky: @philhawthorne.comBuy Phil a CoffeeRohan KaramandiWebsiteSmart Home ProductsTwitter: @rohank9Buy Rohan a CoffeeAdvertising Inquiries: https://redcircle.com/brandsPrivacy & Opt-Out: https://redcircle.com/privacy
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