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lennon101/README.md

Hi, I'm Lennon101

R&D Engineer
Environmental industry — embedded systems, firmware, and sensor development.

I design and build end-to-end systems: hardware, firmware, data pipelines, and the tools that tie them together.

Focus Areas

  • Embedded systems (ARM, Raspberry Pi Pico, Atmel)
  • Firmware development in C, C++, Arduino, and Python
  • PCB design and sensor integration (Altium)
  • IoT and self-hosted infrastructure (Home Assistant, Docker, Proxmox, MQTT)
  • Data analysis and visualization (Python, MongoDB, Postgres, Grafana)

Selected Projects

  • Embedded sensor platforms — hardware prototyping, firmware, and calibration systems
  • Calibration & analysis tools — Python and MongoDB workflows integrated with device tooling
  • Self-hosted home automation stack — Home Assistant, Plex, Paperless-NGX, Zigbee2MQTT

Repositories

Outside of Work

Ultra-distance runner and coach.
Electronics and automation enthusiast.
Military veteran.

Strava badge

Buy Me a Coffee

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Pinned Loading

  1. statistics-for-strava statistics-for-strava Public

    Forked from robiningelbrecht/statistics-for-strava

    Self-hosted, open-source dashboard for your Strava data.

    PHP

  2. DIY-Weather-Station DIY-Weather-Station Public

    Using an ESP32 data collection, an MQTT and Node Red server for server side data processing and Home Assistant for Front End plots

    C++

  3. lennon101.github.io lennon101.github.io Public

    CSS 1

  4. claude-coach claude-coach Public

    HTML