Skip to content
Protei
  • Ocean Robotics
  • Marine Sensors
  • Boat Design
  • Open Hardware
  • Buying Guides

Elena Kowalski

Elena Kowalski covers environmental sensing hardware, cross-checking sensor readings against known calibration standards in her kitchen before any buoy goes in the water.

How to Waterproof Electronics for Marine Use: Proven 2026 Guide

October 2, 2026 by Elena Kowalski

How to waterproof electronics for marine use comes down to three layers working together: a correctly rated enclosure with sealed cable entries, a board … Read more

Categories Open Hardware Leave a comment

How To Protect Servos From Salt Water: Marine Guide 2026

October 2, 2026 by Elena Kowalski
how to protect servos from salt water

To protect servos from salt water, seal every ingress path — the case split line, the base plate screws, the wire entry and the … Read more

Categories Ocean Robotics Leave a comment

How to Build an Autonomous Sailboat for Beginners (2026)

October 2, 2026 by Elena Kowalski
how to build an autonomous sailboat for beginners

An autonomous sailboat is a small robotic vessel with a sail, a rudder, a sensor suite and an onboard autopilot that steers itself to … Read more

Categories Ocean Robotics Leave a comment

How to Build a Paddle Wheel Speed Sensor (October 2026)

October 2, 2026 by Elena Kowalski
how to build a paddle wheel speed sensor

A paddle wheel speed sensor measures how fast a hull moves through water: a bladed rotor spins in the flow, magnets embedded in the … Read more

Categories Marine Sensors Leave a comment

How a Battery Management System Works (2026)

October 2, 2026 by Elena Kowalski
how a battery management system works

A battery management system is the electronic controller inside a battery pack that measures every cell’s voltage, the pack current and its temperature, then … Read more

Categories Ocean Robotics Leave a comment

Recent Posts

  • How to Waterproof Electronics for Marine Use: Proven 2026 Guide
  • how to protect servos from salt water
    How To Protect Servos From Salt Water: Marine Guide 2026
  • how to choose a motor for a small boat project
    How to Choose a Motor for a Small Boat Project 2026
  • how autonomous sailboats work
    How Autonomous Sailboats Work: Sensors, Sails, and AI in 2026
  • how to build an autonomous sailboat for beginners
    How to Build an Autonomous Sailboat for Beginners (2026)
  • how to build a paddle wheel speed sensor
    How to Build a Paddle Wheel Speed Sensor (October 2026)
  • how to troubleshoot a dead boat electrical system
    How to Troubleshoot a Dead Boat Electrical System (2026)
  • how a battery management system works
    How a Battery Management System Works (2026)
  • what skills marine robotics jobs need
    What Skills Marine Robotics Jobs Need: 12-Step Career Guide 2026
  • how to teach kids about ocean robotics
    How to Teach Kids About Ocean Robotics the Easy Way 2026
Protei

Ocean robotics, marine sensors and DIY boat builds

Explore

  • Home
  • Ocean Robotics
  • Marine Sensors
  • Boat Design
  • Open Hardware
  • Ocean Cleanup
  • Field Testing
  • About Us
  • Contact Us
  • Privacy Policy

Latest

  • How to Waterproof Electronics for Marine Use: Proven 2026 Guide
  • How To Protect Servos From Salt Water: Marine Guide 2026
  • How to Choose a Motor for a Small Boat Project 2026
  • How Autonomous Sailboats Work: Sensors, Sails, and AI in 2026
  • How to Build an Autonomous Sailboat for Beginners (2026)
© 2026 Protei