Fuel Up While Working Out with the Step n' Snack Fanny Pack

Never burn more calories than you consume while working out with Sam March's clever snack-dispensing fanny pack device.

by Arduino “having11” Guy
This 4x4x4 LED Cube Needs No Wires, Drawing Power From a Smartphone Over Qi Wireless Charging

An Arduino Nano provides the logic, but power comes courtesy of a Qi charging loop — making use of a smartphone's reverse-charge feature.

by Gareth Halfacree
Try Your Luck with a Virtual Puck

A high-speed projector and camera combine to create a convincing virtual air hockey experience with limitless possibilities.

by Nick Bild

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