How Do You Build and Manage Configurations and Automations?

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.

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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

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Hosts

Phil Hawthorne

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Twitter: @philhawthorne

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Rohan Karamandi

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Twitter: @rohank9

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