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- Actisense Hub - Free tutorials, online books and reference from Actisense.
- AllThingzSailing - Catalog of sailing related websites, blogs, videos and apps.
- Attainable Adventure Cruising - Articles on electronics and software and Navigation and Marine Electronics on-line book.
- Boat HowTo - Online courses and articles for marine electrics, NMEA networking and engines.
- GPS NMEA 0183 Messaging Protocol 101 - Arduino tutorial with general applicability.
- Meco Training - On-line marine electrics and electronics courses.
- Mr Lopez - Books and online classes on marine electrics, Spanish and English.
- NavCraft COLREG Trainer - COLREG study app for iPhone, iPad, and Mac with interactive vessel lights, sound signals, night encounters, and mock exams.
- NMEA Certification and Training - Official NMEA organization courses.
- NMEA Conference and Expo - Annual vendor event in USA.
- Ocean Science Technology - NMEA 0183 and 2000 tutorials.
- Seably - Electronics courses, including Actisense accreditation.
SVB Technical Advice - Advice and product reviews in English, French, German, Italian and Spanish.- Toolbox Talks - Instructional videos and articles on electrics, electronics and engines.
- Working with Bluetooth BLE on SignalK - Choosing an adapter, dealing with connection issues, bluetooth terminology and common issues. Including use of the BLE Manager added in 2026.