Tommy-Knocker Arduino Secret Knock Lock Unveiled (video) - Geeky Gadgets

Geeky Gadgets

Tommy-Knocker Arduino Secret Knock Lock Unveiled (video) Geeky Gadgets Serial Kickstarter and hardware developer Patrick Thomas Mitchell has this week launched his 19th Kickstarter campaign to raise the funds he requires to take his new Arduino compatible secret knock lock into production. Aptly named the Tommy-Knocker ...