47a8b40fdb
TREE(74): training modules, entity profiles, 2890 references, keyword indices SPROUT(42): knowledge pages, project docs, curated source material SEED(164): daily notes, raw session logs, unprocessed material Updated AUDIT_MANIFEST.json with growth classifications.
64 lines
2.2 KiB
Markdown
64 lines
2.2 KiB
Markdown
---
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growth: sprout
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---
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# Concepts — PSB (Post Secondary Brewing)
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Chris and Susan's craft brewery. Three agents: psb-thinking (planning), psb-gemma (brewhouse ops), psb-business (business side).
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## Active Projects
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| Project | Status | Key Concepts |
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|---------|--------|---------------|
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| Fermentation Dashboard | Planning | Home Assistant, TILT hydrometer, Grafana, dashboarding |
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| Brewery PID Replacement | Prototyping | ESP32-S3, ESPHome, Home Assistant, PID, PT100, custom PCB |
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| Toast POS | In use | Point of sale, product mix reports, email export |
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| Pi-hole (brewery) | Not started | DNS, ad-blocking (separate from home Pi-hole) |
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## Core Skills
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- **Brewing chemistry** — fermentation, yeast, malt, hops
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- **Home Assistant** — telemetry dashboards, TILT integration
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- **ESP32/ESPhome** — brewery sensor integration
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- **Toast POS** — sales reporting, product mix analysis
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- **PCB design** — custom PID controllers (Chris's growing skill)
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- **PID control** — temperature regulation for brewing vessels
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## Knowledge Dependencies
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```
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Brewery PID Control
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├── Temperature sensing (PT100, MAX31865)
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├── PID algorithm fundamentals
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├── ESP32-S3 + ESPHome
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├── Home Assistant integration
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└── Solid-state relay (SSR) control
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Fermentation Dashboard
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├── Home Assistant ( Lovelace dashboards)
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├── TILT hydrometer / Bluetooth bridge
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├── Grafana (optional, for pretty charts)
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└── ESP32 bridge programming
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Toast POS
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├── Report generation (product mix)
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├── CSV export
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├── Email automation
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└── Google Sheets integration
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```
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## Gap Analysis for Chris (at brewery)
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Chris is strong on: brewing, electronics, PCB design
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Chris is weak on:
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- **Home Assistant YAML** — configuration, automations, templating
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- **Dashboard design** — making data look good (Grafana, Lovelace)
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- **Software integration** — wiring multiple systems together
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## Recurring Topics
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1. **Temperature control** — PID for vessels (HLT, mash tun, boil kettle, fermenters)
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2. **Home Assistant** — telemetry dashboards, sensor integration
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3. **Custom hardware** — ESP32 + PT100 + SSR for temperature control
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4. **Data visualization** — making fermentation data readable
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5. **PCB design** — custom brewery controller boards
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