Anti-pickpocket wallet

Ben fulfills a young viewer's birthday wish and builds an anti-pickpocket wallet. Ben starts off with using discreet logic to create a small anti-theft device that fits into a wallet. If a capitative switch that identifies the owner isn't triggered, an alarm is set off. After unexpected results, Ben moves onto a solution using a microcontroller and makes wallet thieves regret their lives of crime! (00:23) Ben has a special guest at the shop - a big fan with a big idea. (01:13) Ben goes over his plan to use discreet logic to bring Julian's idea to life and outlines the circuit that will make it work.