Play This Raspberry Pi -Powered Claw Machine to Win Money For Charity Lifehacker You can see how they wired up the Raspberry Pi to the claw machine controls. They even set the claw machine for maximum payouts (and yes, you're not paranoid: that's a setting you can adjust in claw machines), since this is for a charity after all.

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Play This Raspberry Pi-Powered Claw Machine to Win Money For Charity – Lifehacker