Automobile power supply for standalone arduino ATMEGA Chip

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hi guys working towards having own board built utilizing atmega 328p-pu chip , need power supply.  going in truck , of using 100ufcap lm7809 vreg 10uf cap lm7805 vreg 1uf cap on chip.  there better way of doing this? small possible reduce overall size of pcb.

thanks guys!

mitch

keep power supply off board - use usb adapter goes in lighter socket.
http://www.amazon.com/s/ref=nb_sb_ss_c_0_8?url=search-alias%3dautomotive&field-keywords=usb%20car%20charger&sprefix=usb+car+%2caps%2c171

i picked 1 @ local  hardware store, , ran uno days on make run  & check out - no issues seen.


Arduino Forum > Using Arduino > Project Guidance > Automobile power supply for standalone arduino ATMEGA Chip


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