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4alvit/README.md

Hi — Software Engineer & IoT Architect

I build connectivity fabric for heterogeneous systems: discovery, routing, policy, and observability across devices that were never designed to talk to each other. Day job energy is Victron / Venus OS; the same shape shows up as service mesh at cloud scale — a paved road so apps (and hardware) do not have to invent networking themselves.

Two product lines on GitHub: victron-venus (energy / Venus OS fabric) and open-ott-play (IPTV/OTT player + Rust edge server).

Expertise

  • Distributed glue — MQTT / D-Bus / BLE bridges; gateways; control vs data plane
  • Reliability — failsafe control loops, audit logs, on-call style ops for home ESS
  • Systems — Python control; Go / Rust services; ESPHome on the edge
  • Media / edge — ES5-safe STB UI; Rust reverse-proxy style server for EPG and streams
  • Observability — live dashboards + TIG / OpenTelemetry across the stack
  • IaC — GitHub orgs and repos via Terraform

Architecture

flowchart TB
  HW["Hardware — JBD BMS · Tasmota · MultiPlus/Cerbo"]
  EDGE["Edge — ESPHome / BLE proxy"]
  BR["Bridges — dbus-mqtt-battery · dbus-tasmota-pv"]
  CTL["Control & audit — inverter-control · dbus-event-log · venus-os-otel"]
  BUS(("MQTT fabric"))
  GW["Ingress & OTel — fastapi-mqtt-gateway · mqtt-otel"]
  DATA["Data — energy-data-rag · solar-forecast"]
  UI["Consumers — dashboard-go · desktop · monitoring · mcp-venus-os"]

  HW --> EDGE --> BR --> CTL --> BUS --> GW --> DATA --> UI
Loading

Why this exists: Venus OS, ESP nodes, and dashboards are different runtimes. The suite is the mesh between them — injection points (bridges), traffic into a shared bus (MQTT), locality (on-device D-Bus), policy (inverter-control), and telemetry (OTel / TIG) — so nothing speaks a private protocol forever.

Dev & ops

Repo Role
integration-tests MQTT / battery / PV harness
terraform-github-victron IaC for victron-venus
terraform-github-4alvit IaC for personal account
iot-project-builder-profile Profile generator from GitHub activity

open-ott-play

ottplay-foss

Self-hosted IPTV/OTT player for smart TVs and STBs (MAG, Dune, Tizen, webOS, …) plus a local Rust HTTP(S) server.

  • Client — TypeScript → one ES5 classic bundle (dist/stbPlayer.js), window.* for legacy prov.js / device stb.js
  • Server — ottplay-server (axum): static files, XMLTV/EPG cache, M3U match, CORS stream proxy, optional TLS
  • Ops — multi-arch Docker Hub images; local HTTPS stack for day-to-day bring-up
  • Org — open-ott-play profile + community files

Featured projects (Victron)

Control & bridges

Project What it does
inverter-control ESS grid-zero loop (~3 Hz), EV exclusion, battery protection
dbus-mqtt-battery + esphome-jbd-bms-mqtt BLE → MQTT → native Victron batteries
dbus-tasmota-pv Tasmota PV → D-Bus
dbus-event-log D-Bus audit / post-mortem
fastapi-mqtt-gateway REST/WS → MQTT with auth

Monitoring & UI

Project What it does
inverter-dashboard-go Single-binary live dashboard
inverter-dashboard FastAPI / Python dashboard
inverter-desktop Tauri + Rust desktop app
inverter-monitoring TIG + Loki stack
venus-os-observability OTel / Prometheus on D-Bus
mqtt-observability-opentelemetry OTel for MQTT IoT

Knowledge & agents

Project What it does
energy-data-rag-pipeline RAG over Victron docs
solar-forecast-langgraph Solar forecast via LangGraph
mcp-venus-os MCP server for Venus OS

Templates & archived

Project Notes
dbus-service-template Copier template for D-Bus services
esphome-ble-sensor-patterns Production ESPHome BLE patterns
venus-os-governance Archived — safety moved into inverter-control

Stack

Python · Go · Rust · TypeScript · Vue · MQTT · Docker · Terraform · Home Assistant · OpenTelemetry

Connect

Pinned Loading

  1. victron-venus/dbus-tasmota-pv victron-venus/dbus-tasmota-pv Public

    Tasmota power meter to Victron D-Bus PV inverter bridge for Venus OS

    Python 1

  2. victron-venus/esphome-jbd-bms-mqtt victron-venus/esphome-jbd-bms-mqtt Public

    ESPHome ESP32 Bluetooth proxy for JBD BMS batteries, publishing to MQTT for Victron Venus OS

    YAML 1 1

  3. victron-venus/inverter-control victron-venus/inverter-control Public

    Grid-zero feed-in control for Victron inverters with Home Assistant integration and web dashboard

    Python 1

  4. terraform-github-victron terraform-github-victron Public

    Terraform IaC for victron-venus GitHub organization infrastructure

    HCL

  5. victron-venus/dbus-mqtt-battery victron-venus/dbus-mqtt-battery Public

    MQTT to D-Bus bridge for JBD BMS batteries on Victron Venus OS with DVCC support

    Python 1

  6. victron-venus/inverter-dashboard victron-venus/inverter-dashboard Public

    Real-time web dashboard for Victron inverter monitoring via MQTT

    Python 1