Hello,
I am working on a DIY project to interface a lot of signals to a NMEA2000 bus to be able to controle an older analog engine and other sensors with a new multi function display.
To do so I am using Arduino / Teensy microcontroller together with a NMEA2K library. I started to design the...
I'm discharging a 20 volt battery through twelve, one-ohm, 10 watt resisters. I would like for it to stop discharging at 9 volts by relay to prevent battery damage. What is the easiest way.