Projects

infrastructure relaxed

Portfolio Website (highcarlsagan.dev)

Personal portfolio + resume site at highcarlsagan.dev

⏱ Done

#portfolio-piece#documented

infrastructure relaxed

Self-Hosted Homelab

Raspberry Pi 4 with Caddy, Authelia, Tailscale, Pi-hole, Home Assistant

⏱ Done

#homelab#self-hosted#documented

infrastructure relaxed

Arch Linux + Hyprland Setup

Cyberpunk-themed Hyprland rice on Arch Linux daily driver

⏱ Done — ongoing tweaks

#self-hosted#documented

power relaxed

Dual Rail Power Supply

5V + 3V3 benchtop PSU, 60W total, LM70880-based

⏱ Done

#portfolio-piece#kicad

hardware relaxed

PC and Light Controller

ESP32 Wi-Fi controller for UPS + room decor lights

⏱ Done

#portfolio-piece#esp32

hardware semi-critical

OakBridge MkI

ESP32-S3 + IPS display PC interface card; system stats, music, photos

⏱ 1 month ✓ 4/11

#flagship#portfolio-piece#esp32#kicad

hardware relaxed

VOL-1 Volumetric POV Display

True 3D volumetric persistence-of-vision display

⏱ 3-4 months ✓ 4/10

#flagship#portfolio-piece#esp32#stm32#kicad

power critical

Active Clamp Forward 300W SMPS

300W active clamp forward converter, 0–60V CV/CC/CP output

⏱ 4-6 months ✓ 1/10

#flagship#portfolio-piece#career#stm32#kicad#open-source#reference-design

astronomy relaxed

12" f/5 Dobsonian Telescope

Backyard nebula-accuracy 12-inch f/5 Dobsonian build

⏱ Q4 2026, 8-10 months build

#portfolio-piece#documented

software relaxed

Satellite Power & Radiation Sizing Tool

Streamlit + Orekit + SHIELDOSE-2 power/radiation sizing for spacecraft

⏱ 6-8 weeks (rebuild)

#portfolio-piece#career#python#open-source

backyard-science relaxed

Geiger Counter

First instrument in 8-year backyard physics roadmap

⏱ 2-3 months

#open-source#documented

astronomy relaxed

APOD on Hyprland

Daily NASA APOD as Hyprland wallpaper

⏱ 1-2 weeks

#python#open-source

room-led relaxed

Room-Wide LED Mesh Controller

ESP32 hub + WLED satellite nodes for full-room LED control

⏱ 2-3 months

#flagship#esp32#homelab

test-bench critical

Nano Voltmeter + Pico Ammeter

High-precision joint voltage + current measurement instrument

⏱ 4-6 months

#portfolio-piece

test-bench relaxed

Reflow Station

DIY reflow oven/hotplate controller

⏱ 2-3 weeks

audio relaxed

MIDI Device

First audio build — gateway to modular synth bench

⏱ 2-3 months

fun take-it-easy

Pass The Butter

Rick and Morty homage robot

⏱ 1-2 months

astronomy relaxed

Star Tracker

Sidereal star tracker for telescope/astrophotography

⏱ 2-3 months

astronomy relaxed

Near-Earth Almanac

Daily/weekly almanac of NEOs, passes, observable events

⏱ 3-4 weeks

#python#open-source

astronomy relaxed

LGM Revival with TESS

Re-examine TESS data for anomalous periodic signals

⏱ 2-3 months

#flagship#python

fun take-it-easy

Pineapple Beer

Homebrew pineapple beer

⏱ 1-2 months

fun relaxed

Petrova Line Acoustic Levitator (PHM)

40kHz transducer array — Project Hail Mary Petrova line tribute

⏱ 3-4 months

#phm-inspired#flagship#uv-illuminated

f1 take-it-easy

F1 Race Weekend Desk Clock

E-ink countdown clock for FP1/Quali/Race in your timezone

⏱ 3-4 weeks

#esp32

trains take-it-easy

Train Horn Synthesizer

WAG/WDP horn signature synthesizer with pull cord

⏱ 3-4 weeks

trains take-it-easy

Railfan Logbook

GPS + camera trigger: log every train spotted with location, time, loco class

⏱ 2-3 months

#esp32

power take-it-easy

1kW Converter (Topology TBD)

Long-term flagship 1kW converter; topology to be selected later

⏱ 1-2 years

#flagship#career#long-term#reference-design

backyard-science take-it-easy

Cloud Chamber

Visualize cosmic rays and radioactive decay

⏱ 1-2 months

#long-term#open-source

backyard-science take-it-easy

Hydrogen Line Radio Telescope (1420 MHz)

Backyard 1420 MHz H-line radio telescope

⏱ 1+ year

#flagship#long-term#documented