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.
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

Sponsored By

Home Assistant Cloud by Nabu Casa

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Zooz

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Hosted By

Phil Hawthorne

Phil is a Melbourne based web developer who lives and breathes technology. When he's not at his day job, he’s in his home office attempting to simplify his life through complicated tech.

Website Smart Home Products Buy a Coffee

Rohan Karamandi

Rohan from Toronto, Canada works in the Technology sector as an architect designing network and datacenter solutions for his customers. His passion for technology stems from there and extends to IoT and home automation

Website Smart Home Products Buy a Coffee


Special Appearances By

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.

Spotlight

 

Special episodes focused on various aspects of Home Assistant and Home Automation.