Relay and capacitive HATs stackability

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I have a Raspberry Pi 4. I want to add a “PiRelay V2 - Relay Board for Raspberry Pi” and an “Adafruit Capacitive Touch HAT for Raspberry Pi - Mini Kit - MPR121”; are these stackable? What header(s) would I need to include in the order? What spacer, nuts and bolts? What connectors would I need to connect to the Capacitive Tough HAT? Regards, Paul

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Hi Paul,

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Looks like that PiRelay HAT uses the pins above.

Your first port of call for pin usage should be Pinout.xyz, they have almost everything!

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Looks like you won’t have any trouble with conflicting pins.

As for mechanical stacking, I’d recommend picking up an extra tall header or two to clear those chunky relays:

And some M2.5 hardware to keep everything lined up:

-James

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Thanks James84823, that is a really helpful response :slightly_smiling_face:
Paul