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Connecting Pi4 to OSPI board using Rainbow cable
#2
Welcome Chris,

a) The pins are still the same.

b) The 5v connections from the OSPi board provide power in to the Pi and should not be used if a separate power source is provided. One of the ground (earth) lines should still be connected in order to make a complete circuit for the other pins.

I have been using a flirc case with Pi 4 with very good results. The case is aluminum and is designed to act as a heat sink so that no fan is required therefor it is silent and uses slightly less power.
https://flirc.tv/more/raspberry-pi-4-case

Dan
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RE: Connecting Pi4 to OSPI board using Rainbow cable - by dan - 2020 Jun 17, 03:12 PM

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