Electronics > Beginners
diy momentary switch
<< < (3/3)
Mr.B:
I would place the relay before the buck converter.
This eliminates any draining of the battery from the buck converters idle current.

Additional thought...
If you want to prevent the NUC from encountering a blackout when the ignition is turned off:
Use the NUC to keep itself alive using the USB 5v. (As long as the BIOS turns off the USB 5v after the operating systems shuts down.)
Use the following example circuit:
andrewlapham:
Perfect, cheers mate.   :-+
Navigation
Message Index
Previous page
There was an error while thanking
Thanking...

Go to full version
Powered by SMFPacks Advanced Attachments Uploader Mod