Raspberry Pi powered sailboat with Opencpn chart plotter and $30 cheap VHF RTL SDR AIS dongle

Sailing Seahorse

Sailing Seahorse

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See how I installed two raspberry Pi one RP3 and one RP5 SBC running Openplotter with Opencpn the powerful open source chart plotter and a cheap one $30 SDR AIS receiver on my 32 foot catamaran to bring her 1997 technology up-to-date.

All the software you need to get started
https://openmarine.net/openplotter

AIS - shows you where other boats near you are going and warns you and them of any collisions
https://www.rtl-sdr.com/rtl-sdr-tutor...
AIS is mostly done for you when you use openplotter

Free chart Plotter
https://opencpn.org/

Raspberry PI
https://www.raspberrypi.com/

Other hardware I am investigating
https://shop.m5stack.com/?srsltid=Afm...