Amazon.com: Hamlin HE3321C0500 Relay, Single Pole, Double Throw, 5 Volt, 125 Ohm, 0.95" L x 0.276" W x 0.291" H (Pack of 3) : Industrial & Scientific
Amazon.com: MK04-1A66B-500W/single, Proximity Sensors 1 Form A Screw Mount-Single Piece : Electronics
Amazon.com : Neewer 18” RGB Ring Light with Stand, Dimmable LED Ring Light with Phone Holder/Bi-Color 3200K–5600K/97+ CRI/0-360° Full Color/9 Scene Effects for Selfie Makeup Zoom Calls YouTube Video Shooting : Electronics