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About Arlen Croak

Who is Arlen Croak?

Welcome to the world of Arlen Croak—a place where technology, creativity, and a love for drone building collide.

Recent Projects

Check out my latest work on Instagram at @arlencroakations:

⚙️ ESP32 Boat Telemetry

2025 • Hardware, MQTT, MAVLink

Built a lightweight telemetry bridge with an ESP32 publishing live boat data to Home Assistant. Learned a ton about power management and noisy sensors on the water.

🛰️ Projection-Mapped City Logo

2025 • TouchDesigner, MQTT

Projection mapping where parts of Enschede’s logo light up based on real-time topics (events, traffic, weather). Pretty colors, plenty of webhooks.

🤖 Local Chatbot Memory

2025 • Python, SQLite, Ollama

A local chatbot that remembers conversations using a tiny SQLite store—no cloud required.

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