Basicly an non invasive way to messure oil and coolingwater temperature along with RPM on altenator, and then report result via NMEA 2000 to plotter.

Based on the shoulders of my hero's, including but not limited to:

DallasTemperature: Miles Burton https://github.com/milesburton

NMEA2000: Timo Lappalainen https://github.com/ttlappalainen

OneWire: Paul Stoffregen https://github.com/PaulStoffregen

More info can be found on my blog https://sillydiy.blogspot.com/2022/01/measuring-boat-engine-temperature-wih.html

PCB production: https://aisler.net/p/SUMPWCYW Schems etc. is included in the "Arduino_RPM_Shield" folder